CN109718511A - Frog shoes - Google Patents
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- CN109718511A CN109718511A CN201711046479.2A CN201711046479A CN109718511A CN 109718511 A CN109718511 A CN 109718511A CN 201711046479 A CN201711046479 A CN 201711046479A CN 109718511 A CN109718511 A CN 109718511A
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- shoes
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Abstract
The present invention relates to a kind of frog shoes, comprising: a foot bag portion, an interconnecting piece and a web portion.The definition of foot bag portion has a sole thickness direction and a sole width direction.Interconnecting piece is to extend towards a direction of separate foot bag portion, from foot bag portion, and include at least one first connector and one second connector, and first connector is in the top for being set to second connector on the sole thickness direction.Web portion is extended towards the direction of separate foot bag portion, at least from interconnecting piece.
Description
Technical field
The present invention relates to a kind of frog shoes, refers in particular to a kind of interconnecting piece and include at least the first connector and one second connection
The frog shoes of part.
Background technique
Frog shoes are equipments common when carrying out water activity, and especially in diving, almost people can all dress frog shoes.When
When user kicks water, the web portion of frog shoes can be bent, and by the lifting force in web portion, can produce forward strength to help user
Advance.
Therefore, the lifting force for so increasing web portion, can easily kick water in order to user, be the design weight for frog shoes
Point.
Summary of the invention
The purpose of the present invention is to provide a frog shoes, the interconnecting pieces of the frog shoes include at least the first connector being mutually separated and
One second connector, can be more light when kicking water in order to the foot with user.
In order to achieve the above object, frog shoes proposed by the invention include a foot bag portion, an interconnecting piece and a web portion.The foot bag portion
Definition has a sole thickness direction；The interconnecting piece is to extend towards the direction far from the foot bag portion from the foot bag portion, and include
One first connector and one second connector, first connector is in being set to second connector on the sole thickness direction
Top；The web portion is at least to extend towards the direction far from the foot bag portion and from the interconnecting piece.
For above-mentioned purpose, technical characteristic and advantage can be clearer and more comprehensible, be hereafter cooperated with preferred embodiment appended by
Schema is described in detail.
Detailed description of the invention
Fig. 1 is the side view of the frog shoes of the 1st preferred embodiment according to the present invention；
Fig. 2 is the magnified partial view of frog shoes shown in FIG. 1；
Fig. 3 is schematic diagram of the frog shoes shown in FIG. 1 under stress；
Fig. 4 A and Fig. 4 B are the perspective view of frog shoes shown in FIG. 1；
Fig. 4 C is another perspective view of frog shoes shown in FIG. 1；
Fig. 5 A and Fig. 5 B are the schematic diagram of frog shoes shown in FIG. 1；
Fig. 6 A to Fig. 6 C is perspective view, top view and the cross-sectional view of the frog shoes of the 2nd preferred embodiment according to the present invention；
Fig. 6 D is another perspective view of frog shoes shown in Fig. 6 A；And
Fig. 7 A to Fig. 7 F is the schematic diagram of the members of the frog shoes of the 3rd preferred embodiment according to the present invention.
Symbol description
1A, 1B, 1C frog shoes
10 foot bag portions
11 buckles
12 adjustment bands
101 sides
103 bottom surfaces
20 interconnecting pieces
21 first connectors
210,210a, 210b connect rib
Connection sheet among 210c
22 second connectors
220,220a, 220b connection sheet
Connection sheet among 220c
At the one of the lower surface of 211a, 211b, 213 connection ribs
212a, 212b connect another place of the lower surface of rib
221, at the one of the upper surface of 222,223 connection sheets
23 third connectors
230A, 230B connect rib
230C, 230D connecting column
230E, 230F elastic construction
231 horizontal extension bodies
232 extend vertically body
233,234 through hole
235 curved strips
30 web portions
31 lateral margins
32 supplementary structures
40 drainage channels
T sole thickness direction
W sole width direction
S squeezes space
Specific embodiment
It should be noted that hereinafter signified " on the upbeat " and " kicking water downwards ", is to dress frog shoes, face according to user
Portion carries out water activity towards water-bed (seabed), and the resistance of water causes the movement of frog shoes flexure (bending) when leg is struck.Wherein "
Water is kicked downwards " refer to the movement that the leg of user exerts a force towards the bottom, " on the upbeat " refers to that the leg of user is applied towards the water surface
The movement of power.
It please refers to shown in Fig. 1 and Fig. 4 B, the side view for being the frog shoes 1A of the 1st preferred embodiment according to the present invention and vertical
Body figure.Frog shoes 1A includes a foot bag portion 10, an interconnecting piece 20 and a web portion 30；The technology contents of those components will sequentially illustrate such as
Under.
The definition of foot bag portion 10 has an accommodating space, to accommodate the sole of user, wherein foot bag portion 10 can define perpendicular
A staggered sole thickness direction T and sole width direction W, sole thickness direction T are the thickness of the sole of corresponding user
Degree can be a direction of the bottom perpendicular to sole, and sole width direction W is the width of the sole of corresponding user, can be
One direction of the bottom of parallel sole.
Foot bag portion 10 can be heel opening mode (open-heel), i.e. the heel of user does not have by foot bag portion 10
Cladding can be located at except foot bag portion 10.A buckle 11 can be respectively set on the two sides 101 of foot bag portion 10, which can
It adjusts band 12 with one to cooperate, so that foot bag portion 10 can pass through the adjustment of adjustment 12 length of band and be adapted to the sole of different users
Size.In addition, foot bag portion 10 can also be full sole form (full-foot), i.e., foot bag portion 10 coat user heel and
Other positions；Under this form, buckle 11 and adjustment band 12 can be omitted.In addition, foot bag portion 10 may include an opened front end, for making
The toe of user stretches out outside the accommodating space of foot bag portion 10.
Interconnecting piece 20 is (to be approximately perpendicular to another level of sole width direction W towards the direction far from foot bag portion 10
Direction), it is extended anteriorly out by foot bag portion 10.Interconnecting piece 20 can include at least one first connector 21 and one second connector 22,
First connector 21 is therefore seen from above or below in the top for being set to the second connector 22 on sole thickness direction T
It examines, the first connector 21 and the second connector 22 are at least partly to overlap, cover.
Web portion 30 is also to extend towards the direction far from foot bag portion 10, and extended by interconnecting piece 20；30 elongation moulding of web portion
When, it can be partially deflected downwards on sole thickness direction T.The external form in web portion 30 is substantially in a fan-shaped plate body, there is enough area
It is contacted with water, in order to generating enough propulsive forces when kicking water with user.Furthermore in this present embodiment, web portion 30 is only from interconnecting piece
20 extend to form out, are mutually separated with foot bag portion 10 and (do not have entity to be connected), therefore one can be formed between web portion 30 and foot bag portion 10
Drainage channel 40, water can pass through drainage channel 40 along sole thickness direction T.
In this present embodiment, the first connector 21 includes two connection rib 210a, 210b, and two connection rib 210a, 210b are
Extend respectively from the two side faces 101 of foot bag portion 10, and two connection rib 210a, the 210b is phase point along sole width direction W
Every.Second connector 22 then contains two connection sheets 220a, 220b, and two connection sheet 220a, 220b is respectively from two connection ribs
211a, 211b extend to another place 212a, 212b at the one of the lower surface of 210a, 210b；Therefore, the front end of connection sheet 220a and
Rear end is all arranged, is connected to the lower surface of connection rib 210a.Two connection sheet 220a, 220b is also along sole width direction W
It is mutually separated.
Furthermore the length of two connection rib 210a, 210b are greater than the length of two connection sheets 220a, 220b, therefore in sole thickness
It spends on the T of direction, two connection rib 210a, 210b are to be respectively relative to two connection sheets 220a, 220b to arch upward upwards, so that connection rib
Definition has an extruding space S (as shown in Figure 2) between 210a and connection sheet 220a.Connection rib 210a, 210b institute to arch upward upwards
The angle of formation is preferably between 60 degree to 170 degree (such as 130 degree), so that web portion 30 can make Shi Chengshi in kicking hydrodynamic(al)
When degree of flexibility, and reach labour-saving purpose.In other embodiments, which also can be set to distinguish
It arches upward downwards relative to two connection rib 210a, 210b.
Separately illustrate, as shown in Figure 4 C, in other aspects, two connection sheets 220a, 220b also can be as connected rib
Extend as 210a, 210b from the two side faces 101 (or bottom surface 103) of foot bag portion 10.It is, after connection rib 210a, 210b
End is extended from a higher position of side 101, and the rear end of connection sheet 220a, 220b is from a lower of side 101 (or bottom
Face 103) extend, therefore the rear end of connection sheet 220a, 210b is mutually separated with the rear end for connecting rib 210a, 210b；Connection sheet
The front end of 220a may extend to the lower surface of connection rib 210a.It follows that connecting rib 210a according to using and design requirement
(210b) and connection sheet 220a (220b) extend from not existing together for foot bag portion 10.
For architectural characteristic, the pliability of the first connector 21 may differ from the pliability of the second connector 22；With this
For embodiment, the flexible pliability less than the second connector 22 of the first connector 21, therefore the first connector 21 is more difficult
It is bent.For that when interconnecting piece 20 is formed for same material, the first connector 21 (can be connected up to this flexible differentiation
Rib 210a, 210b) cross-sectional area be set greater than the cross-sectional area of the second connector 22 (connection sheet 220a, 220b), in turn
Make the two that there is different pliability；Another practice is, is internally embedded in connection rib 210a, 210b of the first connector 21
(embedment) at least insert (can add via insert molding (insert molding) or overmolded (over molding) etc.
Work processing procedure and reach), in order to relatively reduce connection rib 210a, 210b pliability.Whereby, it when user kicks water downwards, uses
To be bent the strength of the first connector 21 greater than the strength to be bent the second connector 22.
With regard to interconnecting piece 20 the effect of for aspect, the first connector 21 be arch upward upwards relative to the second connector 22, and
First connector 21 and the second connector 22 are all with the angle of a pre-bending, therefore web portion 30 is obliquely extension (as shown in Figure 1)；
In this way, user when kicking water downwards, more laborsaving can allow web portion 30 to be bent.In addition, the bending of web portion 30 will cause the first connection
Part 21 and the bending of the second connector 22, the first connector 21 and the second connector 22 can be pressed against each other and store elastic restoring force；
In this way, the first connector 21 and the second connector 22 of extruding can discharge elastic restoring force, make when user stops kicking water downwards
Obtaining web portion 30 can rapidly spring back.Whereby, for compared with general frog shoes, frog shoes 1A can help user to quickly complete and kick water
Movement.
In addition, interconnecting piece 20 be also possible to have effects that it is following: since the first connector 21 and the second connector 22 are phases
Separate, when user kicks water downwards, water acts on web portion 30 and web portion 30 is caused to be bent upwards, and then makes the first connector 21
And second connector 22 to generate different degrees of bending.More specifically, user can with a power come make web portion 30 together with
The bending of first connector 21 makes web portion 30 together with first and second connector 21,22 to after to a certain degree, then with another power
It is bent together.Therefore, different from general frog shoes user need at the very start with a complete power come make web portion be bent, in use
When the frog shoes 1A of the present embodiment, user can more easily complete to kick hydrodynamic(al) work downwards.In addition, between web portion 30 and foot bag portion 10
Drainage channel 40 can reduce water to the resistance of frog shoes 1A, and water also can be between the first connector 21 and the second connector 22
Interval (squeezing space S) is flowed through, more reduction resistance.
On the other hand, by the pliability of the first connector 21 of adjustment and the second connector 22, the first connector can be changed
21 and second connector 22 amount of bow, and then adjust both squeeze caused by elastic restoring force.In another aspect, by first
The setting that connector 21 arches upward upwards relative to the second connector 22, when user is on the upbeat, the second connector 22 be will limit
First connector 21 is bent downwardly, and reduces the bending deformation in web portion 30.
It please refers to shown in Fig. 5 A and Fig. 5 B, the web portion 30 of frog shoes 1A more may include an at least supplementary structure 32, the auxiliary knot
The ontology in the embeddable web portion 30 of structure 32 or with this body by integral forming, in order to when user kicks water guide water flow pass through web portion 30
Surface, to reduce the resistance of water flow.
Web portion 30 includes two lateral margins 31, which is two sides of the ontology positioned at web portion 30, which presents
Lower fluctuating it is wavy, and irregularly extending respectively towards the center line extended far from frog shoes 1A to two sides (also can be in controlling
That lies prostrate is wavy), draining and balance play when so as to helping user to move in water.Preferably, lateral margin wave-shaped
31 can have 0.5 to 3.0mm thickness.
Preferably, foot bag portion 10, interconnecting piece 20 and web portion 30 can be made by polypropylene (Polypropylene, PP), or
Be by selected from natural rubber, silica gel (Silicone Rubber), thermoplastic elastomer (Thermoplastic Rubber, TPR),
Polyvinyl chloride (Polyvinyl Chloride, PVC), polyethylene (Polyethylene, PE), polystyrene
(Polystyrene, PS), polyurethane (PU), nylon (Nylon), synthesizing ethylene resin (EVA), thermoplastic polyurethane
(Thermoplastic polyurethane, TPU) or the combination of above-mentioned material are made.
In addition, foot bag portion 10, interconnecting piece 20 and 30 three of web portion can be one of the forming, or wherein the two can be integrated into
Shape.
It is the explanation of the technology contents of frog shoes 1A above, will then illustrates the skill of the frog shoes of other embodiments according to the present invention
Art content, and the technology contents of the frog shoes of each embodiment can should refer to mutually, therefore identical part will be omitted or simplified.
It please refers to shown in Fig. 6 A to Fig. 6 C, is the perspective view of the frog shoes 1B of the 2nd preferred embodiment according to the present invention.The frog
Shoes 1B also includes a foot bag portion 10, an interconnecting piece 20 and a web portion 30, do not exist together with frog shoes 1A at least that: the connection of frog shoes 1B
First connector 21 and/or the second connector 22 in portion 20 further include intermediate connection sheet 210c, 220c.
More specifically, intermediate connection sheet 210c is to extend along sole width direction W from one of connection rib 210a
Rib 210b is connected to another, three can be one of the forming；And centre connection sheet 220c is along sole width direction W from wherein
One connection sheet 220a extends to another connection sheet 220b, and three can also be one of the forming.In other words, as web portion 30,
Two intermediate connection sheet 210c and 220c are extended to form along sole width direction W, across symmetrical center line (the i.e. section of frog shoes 1B
Index line AA).In addition, the intermediate connection sheet 220c of the second connector 22 can be from the intermediate connection sheet 210c's of the first connector 21
Go out at lower surface one towards another place that the direction far from foot bag portion 10 extends to lower surface, and the intermediate connection of the first connector 21
Piece 210c can extend from the bottom surface of foot bag portion 10 103 or side 101 towards the direction far from foot bag portion 10.Whereby, interconnecting piece 20
When bending, two intermediate connection sheet 210c and 220c also can mutual extrusion and generate elastic restoring force, spring back web portion 30 rapidly,
User is helped easily to complete to kick hydrodynamic(al) work downwards.
The flexible of two intermediate connection sheet 210c and 220c also can be different, and preferably, intermediate connection sheet 210c's is flexible
Property be less than intermediate connection sheet 220c pliability, can pass through make intermediate connection sheet 210c cross-sectional area be greater than intermediate connection sheet
The cross-sectional area of 220c and reach, or reached in the inside of an intermediate connection sheet 210c setting at least insert.
As shown in Figure 6 D, according to design requirement, the rear end of connection sheet 220a, 220b of frog shoes 1B also can be from foot bag portion 10
Bottom surface 103 (or lower of side 101) extends anteriorly out, and is mutually separated with the rear end for connecting rib 210a, 210b.
In other embodiments, a part in web portion 30 can also extend from foot bag portion 10, it is, web portion 30 and foot bag
Portion 10 simultaneously non-fully separates, and drainage channel 40 can be formed in web portion 30, through web portion 30.
It please join Fig. 7 A to Fig. 7 F, be the signal of the members of the frog shoes 1C of the 3rd preferred embodiment according to the present invention
Figure.Frog shoes 1C also includes a foot bag portion 10, an interconnecting piece 20 and a web portion 30, do not exist together with the frog shoes 1A or 1B at least that: even
Socket part 20 may include the connector of number more (three or more), it is, other than first and second connector 21,22, even
Socket part 20 further includes a third connector 23, in be set on sole thickness direction T first and second connector 21,22 it
Between, and its pliability may differ from the pliability of first and second connector 21,22.Whereby, frog shoes 1C can help user compared with
Quickly or easily complete to kick the movement of water.
More specifically, as shown in Figure 7 A, third connector 23 may include at least one connection rib 230A, it is wide along sole
Spending direction W is to be mutually separated.Connecting rib 230A can be from the upper surface of the second connector 22 (i.e. the one of them of two connection sheets 220)
221 extend to another place 222 at one, and in other words, the both ends of connection rib 230A do not extend to the first connector 21.In addition, in
On sole thickness direction T, connection rib 230A is arched upward upwards relative to the second connector 22.
As shown in Figure 7 B, third connector 23 may include the connection rib 230B of different structure kenel, and connect rib 230B packet
Body 232 is extended vertically containing a horizontal extension body 231 and two, each extends vertically body 232 from 22 (i.e. two connections of the second connector
The one of them of piece 220) upper surface one at 223 extend to the first connector 21 (one of them of i.e. two connection ribs 210)
Lower surface one at 213, extending direction be based on vertical, but can be inclined.Horizontal extension body 231 hangs down from one of them
Straight ennation 232 extends to another and extends vertically body 232, therefore this two extends vertically body 232 and be respectively arranged at horizontal extension body
231 rear and front end.
As seen in figure 7 c, third connector 23 may include an at least connecting column 230C, and connecting column 230C is from the second connector
At the one of the upper surface of (i.e. the one of them of two connection sheets 220) 223 extend to the first connector 21 (i.e. two connection ribs 210
One of them) lower surface one at 213.In addition, connecting column 230C selectively includes pass through aperture 233, make connecting column
230C is easier to be deformed, to change its whole coefficient of elasticity.
As illustrated in fig. 7d, third connector 23 may include a plurality of connecting column 230D, respectively from the upper table of the second connector 22
Face extends to the lower surface of the first connector 21, and is formed with a plurality of through holes 234 between grade connecting columns 230D；This etc. passes through
Perforation 234 extends along sole width direction W, and its shape is unlimited, can be round, oval or rectangular opening etc..In addition, with Fig. 7 C
The first connector 21 and the second connector 22 Deng shown in are compared, 22 phase of the first connector 21 and the second connector shown in Fig. 7 D
Relatively thin over the ground, in other words, the first connector 21, the second connector 22 and third connector 23 are considered as a thickness on the whole
Biggish connector is formed with a plurality of through holes 234 among it.
As seen in figure 7e, third connector 23 may include an at least elastic construction 230E, can be extruded and store elasticity
Restoring force.Elastic construction 230E can be a compressed spring, which can be with the first connector 21 and the second connector 22 1
Body forming；Alternatively, compressed spring may be disposed between the first connector 21 and the second connector 22, then by the first connector 21
And second the material that is extended of connector 22 coated.As shown in Figure 7 F, third connector 23 may include another elasticity
Structure 230F, it includes a plurality of curved strips 235, the curved strips such as this 235 can produce elastic restoring force when being bent.It follows that squeezing
The elastic construction of the settable various kenels of space S is as third connector 23.
In this way, when the interconnecting piece 20 of frog shoes 1C is bent, squeezed by the first connector 21 and the second connector 22 the
Three connectors 23 can store elastic restoring force, therefore 20 entirety of interconnecting piece can generate biggish elastic restoring force, and then make web portion
30 can spring back more quickly.In addition, connection rib 230B has at least two and extends vertically body 232, generated elasticity can be increased
Restoring force.
In summary, frog shoes of the invention generate foot through portion is press-connected during allowing user to kick water downwards
Enough elastic restoring forces help web portion rapidly to spring back, with activities such as easily being dived under water or be snorkeled.
The above embodiments are only used to enumerate state sample implementation of the invention, and illustrate technical characteristic of the invention, not
For limiting protection category of the invention.Those skilled in the art can the arrangement of unlabored change or equality belong to
The range advocated of the present invention, the scope of the present invention should be subject to claims.
Claims (18)
1. a kind of frog shoes, comprising:
One foot bag portion, definition have a sole thickness direction and a sole width direction；
One interconnecting piece is to extend towards a direction of the separate foot bag portion, from the foot bag portion, and include at least one first connector
And one second connector, first connector is in the top for being set to second connector on the sole thickness direction；And
One web portion is extended towards the direction of the separate foot bag portion, at least from the interconnecting piece.
2. frog shoes as described in claim 1, which is characterized in that the pliability of first connector is different from second connector
Pliability.
3. frog shoes as claimed in claim 2, which is characterized in that the pliability of first connector is less than second connector
It is flexible.
4. frog shoes as described in claim 1, which is characterized in that on the sole thickness direction, first connector and this
Definition has an extruding space between two connectors.
5. the frog shoes as described in claim 1,2 or 4, which is characterized in that first connector includes two connection ribs, certainly should respectively
The two side faces of foot bag portion extend；Second connector includes two connection sheets, respectively from the two side faces of the foot bag portion or a bottom
Face is extended, or extends to another place from the one of the lower surface of the two connections rib respectively.
6. frog shoes as claimed in claim 5, which is characterized in that on the sole thickness direction, which is relative to this
Connection sheet arches upward upwards.
7. frog shoes as claimed in claim 5, which is characterized in that the cross-sectional area of the connection rib is greater than the cross section of the connection sheet
Product.
8. frog shoes as claimed in claim 5, which is characterized in that first connector further includes an intermediate connection sheet, among this
Connection sheet extends to another one from the one of them of the two connections rib along the sole width direction.
9. frog shoes as claimed in claim 5, which is characterized in that second connector further includes an intermediate connection sheet, among this
Connection sheet extends to another one from the one of them of two connection sheet along the sole width direction.
10. the frog shoes as described in claim 1,2 or 4, which is characterized in that the foot bag portion, the web portion and the interconnecting piece be one
Body forming.
11. the frog shoes as described in claim 1,2 or 4, which is characterized in that two lateral margins in the web portion are wavy in dipping and heaving
And/or it rises and falls in left and right wavy.
12. the frog shoes as described in claim 1,2 or 4, which is characterized in that the interconnecting piece further includes a third connector, this
Three connectors on the sole thickness direction in being set between first connector and second connector.
13. frog shoes as claimed in claim 12, which is characterized in that the third connector includes at least one connection rib, two company
Rib extends to another place from the one of the upper surface of second connector.
14. frog shoes as claimed in claim 13, which is characterized in that on the sole thickness direction, the connection rib be relative to
Second connector arches upward upwards.
15. frog shoes as claimed in claim 12, which is characterized in that the third connector includes at least one connection rib, the connection
Rib respectively includes that a horizontal extension body and two extend vertically body, this two extends vertically body is respectively arranged at the horizontal extension body two
End and this two extend vertically body respectively the upper surface of second connector one at extend to the lower surface of first connector
At one.
16. frog shoes as claimed in claim 15, which is characterized in that on the sole thickness direction, the connection rib be relative to
Second connector arches upward upwards.
17. frog shoes as claimed in claim 12, which is characterized in that the third connector includes an at least connecting column, the connection
Column is extended to from the one of the upper surface of second connector at the one of the lower surface of first connector.
18. frog shoes as claimed in claim 13, which is characterized in that the third connector includes an at least elastic construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046479.2A CN109718511A (en) | 2017-10-31 | 2017-10-31 | Frog shoes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046479.2A CN109718511A (en) | 2017-10-31 | 2017-10-31 | Frog shoes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109718511A true CN109718511A (en) | 2019-05-07 |
Family
ID=66293456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711046479.2A Withdrawn CN109718511A (en) | 2017-10-31 | 2017-10-31 | Frog shoes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109718511A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB613609A (en) * | 1945-06-28 | 1948-12-01 | Louis Marie De Corlieu | Improvements in or relating to a swim-fin |
| GB1284765A (en) * | 1969-07-09 | 1972-08-09 | W W Haffenden Ltd | Swim wear |
| DE4338610C2 (en) * | 1993-11-11 | 1999-07-15 | Rosenow Gottfried | Swimfin (multi-blade counter-flapping fin) |
| CN101537245A (en) * | 2008-03-11 | 2009-09-23 | 戴卡特隆有限公司 | Swimming flipper adjustable according to the foot's size |
| CN201426946Y (en) * | 2009-06-23 | 2010-03-24 | 梁溢宏 | Improved structure for flippers |
| CN101991247A (en) * | 2009-08-18 | 2011-03-30 | 诚加兴业股份有限公司 | Fastening device |
| US8926385B1 (en) * | 2009-11-02 | 2015-01-06 | David Woods | High efficiency swim fin using multiple high aspect ratio hydrodynamic vanes with pliable hinges and rotation limiters |
| CN204447171U (en) * | 2015-03-26 | 2015-07-08 | 南昌师范学院 | With the swim fin of bent joint |
-
2017
- 2017-10-31 CN CN201711046479.2A patent/CN109718511A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB613609A (en) * | 1945-06-28 | 1948-12-01 | Louis Marie De Corlieu | Improvements in or relating to a swim-fin |
| GB1284765A (en) * | 1969-07-09 | 1972-08-09 | W W Haffenden Ltd | Swim wear |
| DE4338610C2 (en) * | 1993-11-11 | 1999-07-15 | Rosenow Gottfried | Swimfin (multi-blade counter-flapping fin) |
| CN101537245A (en) * | 2008-03-11 | 2009-09-23 | 戴卡特隆有限公司 | Swimming flipper adjustable according to the foot's size |
| CN201426946Y (en) * | 2009-06-23 | 2010-03-24 | 梁溢宏 | Improved structure for flippers |
| CN101991247A (en) * | 2009-08-18 | 2011-03-30 | 诚加兴业股份有限公司 | Fastening device |
| US8926385B1 (en) * | 2009-11-02 | 2015-01-06 | David Woods | High efficiency swim fin using multiple high aspect ratio hydrodynamic vanes with pliable hinges and rotation limiters |
| CN204447171U (en) * | 2015-03-26 | 2015-07-08 | 南昌师范学院 | With the swim fin of bent joint |
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Application publication date: 20190507 |