US20090229147A1 - Mounting Connector for a Cleat - Google Patents
Mounting Connector for a Cleat Download PDFInfo
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- US20090229147A1 US20090229147A1 US12/403,986 US40398609A US2009229147A1 US 20090229147 A1 US20090229147 A1 US 20090229147A1 US 40398609 A US40398609 A US 40398609A US 2009229147 A1 US2009229147 A1 US 2009229147A1
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- edge
- cleat
- base
- truncated
- central axis
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C15/00—Non-skid devices or attachments
- A43C15/16—Studs or cleats for football or like boots
- A43C15/161—Studs or cleats for football or like boots characterised by the attachment to the sole
Definitions
- the present invention pertains to a traction cleat system and, in particular, to a mounting connector for replaceable cleats of an athletic shoe such as a golf shoe.
- a golf shoe is exposed to both rotational and lateral forces during game play. Specifically, the shoe is exposed to rotational or torsional twisting during a golf swing, as well as to lateral (side-to-side) forces as the weight of a golfer is shifted from the front foot to the back foot during the backswing and, similarly, from the back foot to the front foot during the downswing and follow through. Other forces are present when the golfer is walking (and not swinging a club).
- FIGS. 1A , 1 B and 2 A conventional outsole with a cleat system is shown in FIGS. 1A , 1 B and 2 .
- the outsole 110 includes a perimetral edge 120 (also called an outsole edge), a forward portion 130 , and a rear portion 140 .
- the cleat system includes a plurality of mounting receptacles 150 spaced at predetermined positions about the outsole 110 .
- the mounting receptacle 150 includes a base 200 and a socket 210 coaxially or centrally disposed on the base.
- the base 200 is circular, possessing a diameter of, e.g., 22 mm.
- the socket 210 is typically internally threaded and securely mates with an externally threaded stem on a cleat 160 .
- each mounting receptacle 150 along the outsole 110 follows the general pattern established years ago by metal cleat systems installed into leather outsoles. Regardless of the pattern, a certain amount of clearance must exist between the edge of the base 200 and the outsole peripheral edge 120 . This clearance, called a setback or offset distance d, varies among shoe manufacturers. By way of specific example, the setback distance d of the base 200 is typically 2 mm to 10 mm.
- the setback distance d controls the orientation of the sockets 210 because the setback distance moves each socket away from the outsole edge 120 and toward the shoe's center of rotation C.
- the center axes of the sockets 210 (and thus the center axes of the cleats 160 ) along the forward portion 130 of the outsole are spaced an average of 20 mm from the center of rotation C. It is desirable to have this spacing as large as possible because the larger the spacing, the greater the performance track and stability of the shoe for tractional performance.
- the ability to move the cleat further outward (and further away from the center of rotation C) has been limited for fear of exposing and not fully encapsulating the base 200 at the outsole peripheral edge.
- cleat system that provides maximum stability to a wearer during a myriad of activities and, in particular, to provide a golfing shoe that provides a more stable platform for the golfer while overcoming the issues discussed above.
- a cleat system for an athletic shoe includes a mounting connector having a noncircular or asymmetrical base and a cleat engagement member.
- the noncircular base may define a perimeter having a truncated edge which renders the base asymmetrical about the connector axis.
- the system may further include a cleat configured to mate with the cleat engagement member. The base positions the cleat engagement member (and thus the cleat and/or the cleat center axis) at a maximum distance from the shoe's center of rotation. This, in turn, provides a wider performance track, improving the stability of the shoe.
- FIG. 1A illustrates a plan view of a bottom (ground-facing) portion of a prior art outsole.
- FIG. 1B illustrates a partial, close-up view of the outsole of FIG. 1A , showing prior art receptacles mounted within the outsole.
- FIG. 2 illustrates a perspective view of a prior art receptacle.
- FIGS. 3A and 3B respectively, illustrate top (shoe-facing) and bottom (ground-facing) plan views of a mounting connector in accordance with an embodiment of the present invention.
- FIG. 4 illustrates a bottom perspective view of the mounting connection shown in FIGS. 3A and 3B .
- FIG. 5 illustrates the mounting connector of FIG. 3A , showing exemplary parameters associated with the connector.
- FIG. 6A illustrates a bottom (ground-facing) view in plan of a shoed including a traction cleat system in accordance with an embodiment of the invention
- FIG. 6B illustrates a partial bottom view of the outsole of the shoe of FIG. 6A , showing the placement mounting connectors in accordance with an embodiment of the invention.
- FIGS. 7A and 7B respectively, illustrate bottom (ground-facing) and top (shoe-facing) views in plan of a mounting connector in accordance with another embodiment of the present invention.
- the cleat mounting connector 300 includes a noncircular and/or asymmetric base 305 and a cleat engagement member 310 extending distally from the base.
- the base 305 may be in the form of a flat, substantially planar element or plate having interior-facing (shoe-facing) side 315 and exterior-facing (ground-facing) side 320 that cooperate define a perimetral edge 325 (also called a base edge).
- the base 305 may further include at least one pass-through or aperture 330 formed therein.
- a plurality of apertures 330 may be angularly spaced about the base 305 between the base edge 325 and the cleat engagement member 310
- the apertures 330 receive the molten polymer or rubber during the molding of the outsole 110 , optimizing the positional stability of the mounting connector 300 within the outsole.
- the number of apertures 330 is not particularly limited.
- the base 305 may typically include between 7-12 apertures 330 .
- the base 305 is formed by truncating a portion of a circular base.
- the base 305 may be in the form of a disc having a truncated edge 355 extending between the ends of a circular edge segment 357 to define an asymmetric, generally D-shaped structure.
- the base 305 is in the form of a circle with a segment removed.
- the truncated edge 355 may define a generally straight edge, or may define a slightly curved or arcuate surface. That is, the truncated edge portion 355 may possess a predetermined large radius of curvature. For example, when the truncated edge 355 faces the outsole peripheral edge 620 ( FIG. 6 ), the slight curvature may correspond to or accommodate the curvature of the outsole 610 .
- the amount of truncation in the base 305 may include, but is not limited to, about 10%-15% of the total diameter of the corresponding circular base.
- the amount of truncation may be selected to alter the radius from the longitudinal axis of the cleat engagement member 310 toward the truncated edge 355 in the range of from about 2.0 mm to about 3.50 mm.
- the amount of truncation in the exemplary base may equal about 2.75 mm.
- An arc of approximately 80° to 130° may be removed from the circumference of the circular edge 357 by the truncation.
- the area of the circular segment removed may equal up to approximately 30% of the total area of the circle.
- the area of the circular segment removed may approximately 20%-30% the total area of the circle (e.g., 25%).
- the area removed (the area of the circular segment) to from the base 305 may be approximately 98 mm 2 .
- FIG. 5 illustrates exemplary parameters of the base 305 shown in FIG. 3B .
- the dimension D 1 e.g., diameter
- the dimension D 2 e.g., diameter of the truncated part of the base 305 measured in the Y-direction (i.e., in a direction perpendicular to the truncated edge), in contrast, is less than diameter D 1 .
- D 2 may equal about 19.25 mm.
- the radii forming D 1 , R 1 A and R 1 B are equal, each being about 11 mm.
- the radii forming D 2 are not equal.
- R 2 A measured from axis P to the center point of the truncated edge 355 may equal about 8.25 mm
- R 2 B measured from axis P to the non-truncated edge may equal about 11 mm.
- the cleat engagement member 310 captures a cleat, securing it to the outsole mounting connector (and, as such the shoe outsole).
- the cleat engagement member 310 may be in the form of a male or, more typically, a female connection that mates with a corresponding male or female connector on the cleat.
- the cleat engagement member 310 is a generally annular receptacle or socket defined in a cylinder extending distally from the exterior side 320 of the base 305 .
- the socket 310 oriented perpendicular to the base 305 , is defined by a proximal flange portion 335 and a distal annular collar portion 340 , with the flange portion extending radially beyond the collar.
- the outer wall of the collar 340 may include a plurality of locking teeth 345 extending radially from the outer wall surface. The teeth are adapted to selectively engage locking posts on the cleat in the manner described, for example, in U.S. Pat. Nos. 5,974,700; 6,823,613; and 7,107,708, the disclosures of which are hereby incorporated by reference in their entireties.
- the interior wall of the socket may be threaded 350 to provide releasable engagement between the mounting connector 300 and a cleat stem (which includes a complementary thread).
- a cleat stem which includes a complementary thread.
- Other forms of connection both releasable and permanent may be utilized for the purposes of the present invention.
- the cleat engagement member 310 may be in the form of a threaded post ( FIG. 7A ) configured to mate with a cleat connection in the form of a receptacle.
- the cleat socket and/or engagement member post may be threaded to provide releasable engagement.
- Other forms of connection moreover, may be utilized.
- the cleat engagement member 310 possesses a central longitudinal axis P oriented perpendicular to the base 200 .
- the socket 310 is generally coaxial with axis P.
- the threaded post is coaxial with axis P.
- FIGS. 6A and 6B illustrate an outsole including a cleat system in accordance with an embodiment of the present invention.
- the outsole 610 includes perimetral edge 620 (also called an outsole peripheral edge), a forward portion 630 , and a rear portion 640 .
- the cleat system includes a plurality of mounting connectors 300 ( FIG. 6B ) spaced at predetermined positions about the periphery of the outsole 610 .
- a plurality of cleats 660 is connected to each of the mounting connectors 300 .
- the cleats 660 may include asymmetrically oriented dynamic traction elements 665 and static traction elements 670 (discussed in greater detail below).
- the outsole 610 may be formed by utilizing a molding process, such as the one described in U.S. Pat. No. 6,248,278 (Kelly), the entire disclosure of which is incorporated herein by reference in its entirety.
- the mounting connector 300 is typically embedded in the sole 610 via molding, in which the apertures 330 typically are filled with molten polymer or rubber forming the sole to optimize positional stability of the connector in the sole.
- the base 305 is locked into place such that the truncated edge 355 stays oriented outboard, toward the outsole edge 620 .
- the mounting connector is locked into place during the molding process so that the truncated edge 355 stays oriented toward the edge of the athletic shoe (e.g., a golf shoe).
- the axis P of the socket is positioned closer to peripheral edge 620 of the outsole 610 than is possible with a fully circular connector.
- the base 305 (specifically, the truncated edge 355 ) is spaced from the outsole edge 620 a setback distance d similar to that described above.
- the setback distance d may be between 2 and 10 mm.
- the setback distance d of the truncated edge 355 is about 2 to about 4 mm from the edge of the outsole (e.g., about 3 mm).
- the truncated edge 355 is oriented facing and generally parallel to the outsole peripheral edge 620 .
- Each cleat engagement member 310 within the forward portion 630 of the outsole 610 is positioned further away from the shoe's center of rotation C than is the case in the prior art, even when considering manufacturer setbacks/offsets as described above. That is, the distance A′ for the inventive cleat system is greater than the distance A ( FIG. 1B ) similarly measured for a conventional cleat system (i.e., a conventional system including a circular base). This, in turn, creates a wider traction performance track.
- the base 305 may position the cleat engagement member 310 approximately 10-15% further away from the shoe's center of rotation C in comparison to conventional mounting connectors.
- the mounting connector 300 moreover, remains positionally fixed in the outsole 610 since the base 200 is fully encapsulated.
- the cleat 660 may include a single traction element (e.g., a frusto-conical traction element as used in soccer cleats), or a plurality of traction elements (as used in golf cleats).
- the cleat 660 may include a hub having a shoe-facing surface and a ground-facing surface.
- the hub may include a plurality of traction elements cantilevered from the hub.
- the traction elements engage the ground surface when the shoe to which the cleat is attached is brought down into contact with that surface.
- the traction elements may include a plurality of dynamic traction elements 665 and/or a plurality of static traction elements 670 or a combination of the two.
- the dynamic traction elements 665 are designed to resiliently pivot with respect to the hub and deflect toward the shoe sole when the shoe engages a ground surface, whereas the static traction elements 670 remain substantially rigid and are resistant to deflection upon engaging the ground surface.
- the static or dynamic traction elements may be oriented in any suitable manner along the hub. That is, the traction elements may be symmetrically or asymmetrical disposed about the hub. For example, the dynamic traction elements may be aligned in a set along a first half of the hub perimeter, whereas the static traction elements may be generally aligned in a set along the remaining half of the hub perimeter. Additional information regarding this type of cleat is discussed in U.S. Patent No. 6,834,446 (McMullin), the disclosure of which is hereby incorporated by reference in its entirety.
- a cleat connector may extend from the cleat hub (e.g., from the shoe-facing surface of the hub).
- the cleat connector engages the cleat engagement member of the mounting connector.
- the cleat connector may be in the form of a threaded cylinder/socket or a threaded post.
- the mounting connector 300 may be configured to selectively position the traction elements in a predetermined orientation. Cleats having asymmetrically positioned traction elements typically require orientation in a particular rotational position at specific locations along the outside edge of the outsole in order to provide desired tractional effects. Consequently, the threads of the cleat engagement member 310 may include multiple threads configured in a known manner to define a single start position and a single final position during cleat insertion, thus aligning the traction elements in a predetermined angular orientation with respect to the outsole 620 . By way of specific example, and as seen best in FIG. 6A and 6B , the static traction elements 670 may be oriented outward, facing the outsole edge 620 .
- a cleat engagement member 310 with asymmetric threads allows for the locking of the traction elements in the desired position.
- Such a system may rotationally orient each cleat 660 within the outsole 610 such that the cleat will have its multiple contact points (via the traction elements 665 , 670 ) with the ground at a maximum distance from the shoe's center of rotation C.
- the asymmetric configuration combined with the noncircular base 305 provides an additional 20% increase in the average distance that the cleats contact the ground vs. the center of rotation of the cleat, providing a combined increase in average distance of about 30%.
- the distance at which traction elements 665 , 670 contact the surface is 30% further from the shoe center of rotation when compared to conventional (circular) mounting connectors utilizing convention (symmetrical) cleats.
- FIGS. 7A and 7B illustrate a mounting connector 700 in accordance with another embodiment of the invention.
- the asymmetrical or noncircular base 705 possesses a generally polygonal shape having a plurality of generally straight edges 710 , 720 , 730 , 740 , 750 , and 755 .
- the primary, outboard-facing edge 755 may define a truncated edge.
- the diameter measured in the direction generally perpendicular to the truncated edge 755 is less than the diameter measured in the direction generally parallel to the truncated edge.
- the inradius R 2 to the outward facing edge 755 is less than the inradius to the opposed, inboard-facing edge 730 .
- the radius and/or inradius measured from the central axis P of the cleat engagement member 310 to the truncated edge 755 will be less than the radius and/or inradius measured from the axis P to the other edges 710 , 720 , 730 , 740 , 750 .
- the noncircular base 305 may be symmetric, but may possess a generally elliptical shape.
- the major axis of the ellipse i.e., its longitudinal axis
- a longitudinal edge of the ellipse faces the peripheral edge 620 of the outsole 610 , enabling the mounting connector to be positioned nearer the edge when compared to conventional mounting connectors.
- other noncircular shapes may be utilized.
- the present system recognizes the benefits of placing the cleat 660 further from the center of rotation.
- the base 305 enables the placement of the cleat engagement member 310 farther away from the edge 620 of the outsole 610 without encroaching on the clearance required by the shoe manufacturers.
- An increase in distance of about 10-15% is significant when compared to the conventional distance of 20 mm from the center of rotation.
- every mounting connector 300 within the outsole 610 (the front 630 and rear 640 portions) is mounted to orient the truncated edge 355 toward the outsole edge 620 .
- each mounting connector 300 within the front portion 630 of the outsole 610 is mounted to orient the truncated edge toward the outsole edge 620 .
- the present invention further provides a system in which a desired performance track may be selected to accommodate the traction requirements of the shoe. That is, an outsole may be formed to have a narrow performance track or a wide performance track. In the narrow performance track, the rounded (non-truncated) edge of the base 305 may be oriented outboard, positioning the cleat engagement member 310 closer to the center of rotation C. In the wide performance track configuration, each mounting connector 300 is oriented as described above, with the truncated edge 355 oriented outboard and the cleat engagement member oriented further from the center of rotation C. Thus, a shoe manufacturer may selectively devise a performance track based on the needs of the particular athletic shoe.
- the mounting connector 300 may possess a unitary structure (i.e., a molded, one-piece unit) or may be formed by separate components coupled together.
- the asymmetric base may include a base with halves that are not mirror images, as well as a base possessing varying radius measurements (e.g., between truncated and non-truncated portions when measured from the axis of the cleat engagement member) such that the cleat engagement member is oriented closer to one portion of the base peripheral edge.
- the base then, extends asymmetrically about the axis of the cleat engagement member.
- the cleat 660 may include various connection means to engage the mounting connection.
- the connection means may further include a locking mechanism that prevents inadvertent removal of the cleat from the socket.
- the connection means furthermore, may be indexable in the sense that the cleat can reside in the socket in a unique (i.e., only one) rotational position. The indexable feature is particularly useful where the traction elements are configured and/or positioned asymmetrically to render the cleat most effective to provide traction when in a particular rotational position.
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- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
Description
- This application is a nonprovisional application of U.S. Provisional Application No. 61/036,161, filed 13 Mar. 2008 and entitled “Mounting Connector for a Cleat,” the disclosure of which is hereby incorporated by reference in its entirety.
- The present invention pertains to a traction cleat system and, in particular, to a mounting connector for replaceable cleats of an athletic shoe such as a golf shoe.
- There are a variety of forces exerted on an athletic shoe requiring the use of cleats for traction. For example, a golf shoe is exposed to both rotational and lateral forces during game play. Specifically, the shoe is exposed to rotational or torsional twisting during a golf swing, as well as to lateral (side-to-side) forces as the weight of a golfer is shifted from the front foot to the back foot during the backswing and, similarly, from the back foot to the front foot during the downswing and follow through. Other forces are present when the golfer is walking (and not swinging a club). For example, when the golfer walks along an uneven surface or slick terrain, traction is needed from the cleats to minimize the propensity to slip (which is generated by a lateral force). The rotational forces present in the golf swing result from the golfer's foot twisting around the center point of the shoe sole (i.e., the shoe's center of rotation).
- A conventional outsole with a cleat system is shown in
FIGS. 1A , 1B and 2. Theoutsole 110 includes a perimetral edge 120 (also called an outsole edge), aforward portion 130, and arear portion 140. The cleat system includes a plurality ofmounting receptacles 150 spaced at predetermined positions about theoutsole 110. As shown inFIG. 2 , themounting receptacle 150 includes abase 200 and asocket 210 coaxially or centrally disposed on the base. Thebase 200 is circular, possessing a diameter of, e.g., 22 mm. Thesocket 210 is typically internally threaded and securely mates with an externally threaded stem on acleat 160. - The location of each
mounting receptacle 150 along theoutsole 110 follows the general pattern established years ago by metal cleat systems installed into leather outsoles. Regardless of the pattern, a certain amount of clearance must exist between the edge of thebase 200 and the outsoleperipheral edge 120. This clearance, called a setback or offset distance d, varies among shoe manufacturers. By way of specific example, the setback distance d of thebase 200 is typically 2 mm to 10 mm. - The setback distance d controls the orientation of the
sockets 210 because the setback distance moves each socket away from theoutsole edge 120 and toward the shoe's center of rotation C. In conventional athletic shoes (e.g., men's golf shoes), the center axes of the sockets 210 (and thus the center axes of the cleats 160) along theforward portion 130 of the outsole are spaced an average of 20 mm from the center of rotation C. It is desirable to have this spacing as large as possible because the larger the spacing, the greater the performance track and stability of the shoe for tractional performance. The ability to move the cleat further outward (and further away from the center of rotation C) has been limited for fear of exposing and not fully encapsulating thebase 200 at the outsole peripheral edge. - Thus, it would be desirable to provide a cleat system that provides maximum stability to a wearer during a myriad of activities and, in particular, to provide a golfing shoe that provides a more stable platform for the golfer while overcoming the issues discussed above.
- A cleat system for an athletic shoe is disclosed. The system includes a mounting connector having a noncircular or asymmetrical base and a cleat engagement member. The noncircular base may define a perimeter having a truncated edge which renders the base asymmetrical about the connector axis. The system may further include a cleat configured to mate with the cleat engagement member. The base positions the cleat engagement member (and thus the cleat and/or the cleat center axis) at a maximum distance from the shoe's center of rotation. This, in turn, provides a wider performance track, improving the stability of the shoe.
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FIG. 1A illustrates a plan view of a bottom (ground-facing) portion of a prior art outsole. -
FIG. 1B illustrates a partial, close-up view of the outsole ofFIG. 1A , showing prior art receptacles mounted within the outsole. -
FIG. 2 illustrates a perspective view of a prior art receptacle. -
FIGS. 3A and 3B , respectively, illustrate top (shoe-facing) and bottom (ground-facing) plan views of a mounting connector in accordance with an embodiment of the present invention. -
FIG. 4 illustrates a bottom perspective view of the mounting connection shown inFIGS. 3A and 3B . -
FIG. 5 illustrates the mounting connector ofFIG. 3A , showing exemplary parameters associated with the connector. -
FIG. 6A illustrates a bottom (ground-facing) view in plan of a shoed including a traction cleat system in accordance with an embodiment of the invention -
FIG. 6B illustrates a partial bottom view of the outsole of the shoe ofFIG. 6A , showing the placement mounting connectors in accordance with an embodiment of the invention. -
FIGS. 7A and 7B , respectively, illustrate bottom (ground-facing) and top (shoe-facing) views in plan of a mounting connector in accordance with another embodiment of the present invention. - Like reference numerals have been used to identify like elements throughout this disclosure.
- Referring to
FIGS. 3A , 3B, and 4, thecleat mounting connector 300 includes a noncircular and/orasymmetric base 305 and acleat engagement member 310 extending distally from the base. Thebase 305 may be in the form of a flat, substantially planar element or plate having interior-facing (shoe-facing)side 315 and exterior-facing (ground-facing)side 320 that cooperate define a perimetral edge 325 (also called a base edge). - The
base 305 may further include at least one pass-through oraperture 330 formed therein. By way example, a plurality ofapertures 330 may be angularly spaced about thebase 305 between thebase edge 325 and thecleat engagement member 310 Theapertures 330 receive the molten polymer or rubber during the molding of theoutsole 110, optimizing the positional stability of themounting connector 300 within the outsole. The number ofapertures 330 is not particularly limited. By way of example, thebase 305 may typically include between 7-12apertures 330. - In one embodiment, the
base 305 is formed by truncating a portion of a circular base. By way of specific example, thebase 305 may be in the form of a disc having atruncated edge 355 extending between the ends of acircular edge segment 357 to define an asymmetric, generally D-shaped structure. Stated another way, thebase 305 is in the form of a circle with a segment removed. Thetruncated edge 355 may define a generally straight edge, or may define a slightly curved or arcuate surface. That is, thetruncated edge portion 355 may possess a predetermined large radius of curvature. For example, when thetruncated edge 355 faces the outsole peripheral edge 620 (FIG. 6 ), the slight curvature may correspond to or accommodate the curvature of theoutsole 610. - The amount of truncation in the
base 305 may include, but is not limited to, about 10%-15% of the total diameter of the corresponding circular base. Thus, in a conventional circular base having a diameter of 22 mm, the amount of truncation may be selected to alter the radius from the longitudinal axis of thecleat engagement member 310 toward thetruncated edge 355 in the range of from about 2.0 mm to about 3.50 mm. By way of specific example, the amount of truncation in the exemplary base may equal about 2.75 mm. An arc of approximately 80° to 130° may be removed from the circumference of thecircular edge 357 by the truncation. Stated another way, the area of the circular segment removed may equal up to approximately 30% of the total area of the circle. For example, the area of the circular segment removed may approximately 20%-30% the total area of the circle (e.g., 25%). Thus, if the area of the circle is approximately 380 mm2, then the area removed (the area of the circular segment) to from the base 305 may be approximately 98 mm2. -
FIG. 5 illustrates exemplary parameters of the base 305 shown inFIG. 3B . As shown, the dimension D1 (e.g., diameter) of the circular part of the base 305 measured along the X-direction (i.e., in a direction parallel to the truncated edge 355) may equal about 22 mm. The dimension D2 (e.g., diameter) of the truncated part of the base 305 measured in the Y-direction (i.e., in a direction perpendicular to the truncated edge), in contrast, is less than diameter D1. By way of example, D2 may equal about 19.25 mm. Stated another way, the radii forming D1, R1A and R1B (each measured from the axis P of the cleat engagement member 310), are equal, each being about 11 mm. In contrast, the radii forming D2 (R2A and R2B) are not equal. For example, R2A measured from axis P to the center point of thetruncated edge 355 may equal about 8.25 mm, while R2B measured from axis P to the non-truncated edge may equal about 11 mm. Further radii measured from the axis P of thecleat engagement member 310 to thetruncated edge portion 355 will similarly have a lower value than radii measured from the axis P to thecircular edge portion 357. These differences in diameter/radius result in the truncation and, as such, the asymmetry of the base 200 about the axis P of the cleat engagement member. - The
cleat engagement member 310 captures a cleat, securing it to the outsole mounting connector (and, as such the shoe outsole). Thecleat engagement member 310 may be in the form of a male or, more typically, a female connection that mates with a corresponding male or female connector on the cleat. In the embodiment shown inFIG. 4 , thecleat engagement member 310 is a generally annular receptacle or socket defined in a cylinder extending distally from theexterior side 320 of thebase 305. Thesocket 310, oriented perpendicular to thebase 305, is defined by aproximal flange portion 335 and a distalannular collar portion 340, with the flange portion extending radially beyond the collar. The outer wall of thecollar 340, moreover, may include a plurality of lockingteeth 345 extending radially from the outer wall surface. The teeth are adapted to selectively engage locking posts on the cleat in the manner described, for example, in U.S. Pat. Nos. 5,974,700; 6,823,613; and 7,107,708, the disclosures of which are hereby incorporated by reference in their entireties. The interior wall of the socket may be threaded 350 to provide releasable engagement between the mountingconnector 300 and a cleat stem (which includes a complementary thread). Other forms of connection (both releasable and permanent) may be utilized for the purposes of the present invention. - Alternatively, or in addition, the
cleat engagement member 310 may be in the form of a threaded post (FIG. 7A ) configured to mate with a cleat connection in the form of a receptacle. As with the above configuration, the cleat socket and/or engagement member post may be threaded to provide releasable engagement. Other forms of connection, moreover, may be utilized. - As mentioned above, the
cleat engagement member 310 possesses a central longitudinal axis P oriented perpendicular to thebase 200. Thus, in the embodiment ofFIGS. 3A and 3B , thesocket 310 is generally coaxial with axis P. Similarly, in the embodiment ofFIGS. 7A and 7B , the threaded post is coaxial with axis P. -
FIGS. 6A and 6B illustrate an outsole including a cleat system in accordance with an embodiment of the present invention. As shown, theoutsole 610 includes perimetral edge 620 (also called an outsole peripheral edge), aforward portion 630, and arear portion 640. The cleat system includes a plurality of mounting connectors 300 (FIG. 6B ) spaced at predetermined positions about the periphery of theoutsole 610. A plurality ofcleats 660 is connected to each of the mountingconnectors 300. As shown, thecleats 660 may include asymmetrically orienteddynamic traction elements 665 and static traction elements 670 (discussed in greater detail below). - The
outsole 610 may be formed by utilizing a molding process, such as the one described in U.S. Pat. No. 6,248,278 (Kelly), the entire disclosure of which is incorporated herein by reference in its entirety. Briefly, the mountingconnector 300 is typically embedded in the sole 610 via molding, in which theapertures 330 typically are filled with molten polymer or rubber forming the sole to optimize positional stability of the connector in the sole. During the molding process, thebase 305 is locked into place such that thetruncated edge 355 stays oriented outboard, toward theoutsole edge 620. That is, the mounting connector is locked into place during the molding process so that thetruncated edge 355 stays oriented toward the edge of the athletic shoe (e.g., a golf shoe). The result is that the axis P of the socket is positioned closer toperipheral edge 620 of theoutsole 610 than is possible with a fully circular connector. - The base 305 (specifically, the truncated edge 355) is spaced from the outsole edge 620 a setback distance d similar to that described above. For example, the setback distance d may be between 2 and 10 mm. Preferably, the setback distance d of the
truncated edge 355 is about 2 to about 4 mm from the edge of the outsole (e.g., about 3 mm). As shown, thetruncated edge 355 is oriented facing and generally parallel to the outsoleperipheral edge 620. - Each
cleat engagement member 310 within theforward portion 630 of theoutsole 610 is positioned further away from the shoe's center of rotation C than is the case in the prior art, even when considering manufacturer setbacks/offsets as described above. That is, the distance A′ for the inventive cleat system is greater than the distance A (FIG. 1B ) similarly measured for a conventional cleat system (i.e., a conventional system including a circular base). This, in turn, creates a wider traction performance track. By way of example, thebase 305 may position thecleat engagement member 310 approximately 10-15% further away from the shoe's center of rotation C in comparison to conventional mounting connectors. The mountingconnector 300, moreover, remains positionally fixed in theoutsole 610 since thebase 200 is fully encapsulated. - The
cleat 660 may include a single traction element (e.g., a frusto-conical traction element as used in soccer cleats), or a plurality of traction elements (as used in golf cleats). For example, thecleat 660 may include a hub having a shoe-facing surface and a ground-facing surface. The hub may include a plurality of traction elements cantilevered from the hub. The traction elements engage the ground surface when the shoe to which the cleat is attached is brought down into contact with that surface. By way of specific example, the traction elements may include a plurality ofdynamic traction elements 665 and/or a plurality ofstatic traction elements 670 or a combination of the two. Thedynamic traction elements 665 are designed to resiliently pivot with respect to the hub and deflect toward the shoe sole when the shoe engages a ground surface, whereas thestatic traction elements 670 remain substantially rigid and are resistant to deflection upon engaging the ground surface. - The static or dynamic traction elements may be oriented in any suitable manner along the hub. That is, the traction elements may be symmetrically or asymmetrical disposed about the hub. For example, the dynamic traction elements may be aligned in a set along a first half of the hub perimeter, whereas the static traction elements may be generally aligned in a set along the remaining half of the hub perimeter. Additional information regarding this type of cleat is discussed in U.S. Patent No. 6,834,446 (McMullin), the disclosure of which is hereby incorporated by reference in its entirety.
- A cleat connector may extend from the cleat hub (e.g., from the shoe-facing surface of the hub). The cleat connector engages the cleat engagement member of the mounting connector. As mentioned above, the cleat connector may be in the form of a threaded cylinder/socket or a threaded post.
- In addition, the mounting
connector 300 may be configured to selectively position the traction elements in a predetermined orientation. Cleats having asymmetrically positioned traction elements typically require orientation in a particular rotational position at specific locations along the outside edge of the outsole in order to provide desired tractional effects. Consequently, the threads of thecleat engagement member 310 may include multiple threads configured in a known manner to define a single start position and a single final position during cleat insertion, thus aligning the traction elements in a predetermined angular orientation with respect to theoutsole 620. By way of specific example, and as seen best inFIG. 6A and 6B , thestatic traction elements 670 may be oriented outward, facing theoutsole edge 620. - The introduction of a
cleat engagement member 310 with asymmetric threads, as well as the positioning of thetruncated edge 355 to theedge 620 of the outsole, allows for the locking of the traction elements in the desired position. Such a system may rotationally orient eachcleat 660 within theoutsole 610 such that the cleat will have its multiple contact points (via thetraction elements 665, 670) with the ground at a maximum distance from the shoe's center of rotation C. In this manner, the asymmetric configuration combined with thenoncircular base 305 provides an additional 20% increase in the average distance that the cleats contact the ground vs. the center of rotation of the cleat, providing a combined increase in average distance of about 30%. Stated another way, the distance at whichtraction elements -
FIGS. 7A and 7B illustrate a mountingconnector 700 in accordance with another embodiment of the invention. As shown, the asymmetrical ornoncircular base 705 possesses a generally polygonal shape having a plurality of generallystraight edges edge 755 may define a truncated edge. As with the previously described embodiment, the diameter measured in the direction generally perpendicular to thetruncated edge 755 is less than the diameter measured in the direction generally parallel to the truncated edge. As a result, the inradius R2 to the outward facing edge 755 (from axis P) is less than the inradius to the opposed, inboard-facingedge 730. In a similar manner, the radius and/or inradius measured from the central axis P of thecleat engagement member 310 to thetruncated edge 755 will be less than the radius and/or inradius measured from the axis P to theother edges - In another embodiment, instead of a truncation that forms an asymmetric cleat, the
noncircular base 305 may be symmetric, but may possess a generally elliptical shape. In operation, the major axis of the ellipse (i.e., its longitudinal axis) is disposed generally parallel to the outsoleperipheral edge 620. Thus, a longitudinal edge of the ellipse faces theperipheral edge 620 of theoutsole 610, enabling the mounting connector to be positioned nearer the edge when compared to conventional mounting connectors. In addition, other noncircular shapes may be utilized. - The above-described embodiments effectively utilize the concept of a lever in which the computation of energy is (Force)×(Distance). Since a cleat is an attempt to offset energy, the amount of resistance provided by the cleat is also computed as (Force)×(Distance). Rotational forces created during activities such as a golf swing are a result of foot twisting around the center point C of the shoe. Consequently, the further the cleats are moved away from the center of the rotation, the greater the amount of resistance to the twisting energy. In addition, moving from rotational traction to a different force present during the swing (that of the weight shift during the swing and the resulting lateral forces) creates instability for the golfer. Consequently, by placing the
cleats 660 further away from the rotational center C of the shoe provides a more stable platform for the golfer. This more stable platform results from the cleat being the foundation of the golfer's connection to the ground. The wider the foundation, the greater is the stability. - Thus, the present system recognizes the benefits of placing the
cleat 660 further from the center of rotation. Thebase 305 enables the placement of thecleat engagement member 310 farther away from theedge 620 of theoutsole 610 without encroaching on the clearance required by the shoe manufacturers. An increase in distance of about 10-15% (e.g., an increase of about three millimeters) is significant when compared to the conventional distance of 20 mm from the center of rotation. - In one embodiment, every mounting
connector 300 within the outsole 610 (the front 630 and rear 640 portions) is mounted to orient thetruncated edge 355 toward theoutsole edge 620. In another embodiment, each mountingconnector 300 within thefront portion 630 of theoutsole 610 is mounted to orient the truncated edge toward theoutsole edge 620. - The present invention further provides a system in which a desired performance track may be selected to accommodate the traction requirements of the shoe. That is, an outsole may be formed to have a narrow performance track or a wide performance track. In the narrow performance track, the rounded (non-truncated) edge of the base 305 may be oriented outboard, positioning the
cleat engagement member 310 closer to the center of rotation C. In the wide performance track configuration, each mountingconnector 300 is oriented as described above, with thetruncated edge 355 oriented outboard and the cleat engagement member oriented further from the center of rotation C. Thus, a shoe manufacturer may selectively devise a performance track based on the needs of the particular athletic shoe. - While the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope thereof. For example, the mounting
connector 300 may possess a unitary structure (i.e., a molded, one-piece unit) or may be formed by separate components coupled together. The asymmetric base may include a base with halves that are not mirror images, as well as a base possessing varying radius measurements (e.g., between truncated and non-truncated portions when measured from the axis of the cleat engagement member) such that the cleat engagement member is oriented closer to one portion of the base peripheral edge. The base then, extends asymmetrically about the axis of the cleat engagement member. Thecleat 660 may include various connection means to engage the mounting connection. The connection means may further include a locking mechanism that prevents inadvertent removal of the cleat from the socket. The connection means, furthermore, may be indexable in the sense that the cleat can reside in the socket in a unique (i.e., only one) rotational position. The indexable feature is particularly useful where the traction elements are configured and/or positioned asymmetrically to render the cleat most effective to provide traction when in a particular rotational position. - Thus, it is intended that the present invention cover the modifications and variations of this invention that come within the scope of the appended claims and their equivalents. It is to be understood that terms such as “left”, “right” “top”, “bottom”, “front”, “rear”, “side”, “height”, “length”, “width”, “upper”, “lower”, “interior”, “exterior”, “inner”, “outer” and the like as may be used herein, merely describe points of reference and do not limit the present invention to any particular orientation or configuration.
Claims (37)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/403,986 US20090229147A1 (en) | 2008-03-13 | 2009-03-13 | Mounting Connector for a Cleat |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3616108P | 2008-03-13 | 2008-03-13 | |
US12/403,986 US20090229147A1 (en) | 2008-03-13 | 2009-03-13 | Mounting Connector for a Cleat |
Publications (1)
Publication Number | Publication Date |
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US20090229147A1 true US20090229147A1 (en) | 2009-09-17 |
Family
ID=41061404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/403,986 Abandoned US20090229147A1 (en) | 2008-03-13 | 2009-03-13 | Mounting Connector for a Cleat |
Country Status (2)
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US (1) | US20090229147A1 (en) |
WO (1) | WO2009114789A2 (en) |
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US20130212797A1 (en) * | 2012-02-22 | 2013-08-22 | Cover-Pools Incorporated | Anti-corrosion pool cover assemblies |
US20140115931A1 (en) * | 2010-02-01 | 2014-05-01 | Cleats Llc | Cleat Attachment System |
US20140215857A1 (en) * | 2013-02-05 | 2014-08-07 | Nike, Inc. | Cleats, cleated sole structures, molds, and molding methods for in-molding articles |
US9125452B2 (en) | 2013-02-05 | 2015-09-08 | Nike, Incorporated | Cleats, cleated sole structures, molds, and molding methods for in-molding articles |
CN104968229A (en) * | 2013-02-05 | 2015-10-07 | 耐克创新有限合伙公司 | Cleats, cleated sole structures, molds, and molding methods for in-molding articles |
US20160058131A1 (en) * | 2011-09-16 | 2016-03-03 | Nike, Inc. | Medial Rotational Traction Element Arrangement For An Article Of Footwear |
US11330869B2 (en) | 2018-05-08 | 2022-05-17 | Kicks Industries, Inc. | Footwear cleat |
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US9468263B2 (en) * | 2010-02-01 | 2016-10-18 | Cleats Llc | Cleat attachment system |
US20140115931A1 (en) * | 2010-02-01 | 2014-05-01 | Cleats Llc | Cleat Attachment System |
US8844169B1 (en) * | 2010-02-01 | 2014-09-30 | Cleats Llc | Cleat attachment system |
US9320323B2 (en) * | 2010-02-01 | 2016-04-26 | Cleats Llc | Cleat attachment system |
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AU2014215430B2 (en) * | 2013-02-05 | 2016-11-03 | Nike Innovate C.V. | Cleats, cleated sole structures, molds, and molding methods for in-molding articles |
CN106723664A (en) * | 2013-02-05 | 2017-05-31 | 耐克创新有限合伙公司 | Wedge, the footwear sole construction for having wedge, mould and the method for moulding for interior molded articles |
KR101790858B1 (en) | 2013-02-05 | 2017-10-26 | 나이키 이노베이트 씨.브이. | Cleats, cleated sole structures, molds, and molding methods for in-molding articles |
CN104968229A (en) * | 2013-02-05 | 2015-10-07 | 耐克创新有限合伙公司 | Cleats, cleated sole structures, molds, and molding methods for in-molding articles |
US20140215857A1 (en) * | 2013-02-05 | 2014-08-07 | Nike, Inc. | Cleats, cleated sole structures, molds, and molding methods for in-molding articles |
US11330869B2 (en) | 2018-05-08 | 2022-05-17 | Kicks Industries, Inc. | Footwear cleat |
US11980254B2 (en) | 2018-05-08 | 2024-05-14 | Kicks Industries, Inc. | Footwear cleat |
Also Published As
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WO2009114789A2 (en) | 2009-09-17 |
WO2009114789A3 (en) | 2012-06-28 |
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