CN114475887A - Single-gun shock-absorbing front fork structure and shock-absorbing method thereof - Google Patents
Single-gun shock-absorbing front fork structure and shock-absorbing method thereof Download PDFInfo
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- CN114475887A CN114475887A CN202011156698.8A CN202011156698A CN114475887A CN 114475887 A CN114475887 A CN 114475887A CN 202011156698 A CN202011156698 A CN 202011156698A CN 114475887 A CN114475887 A CN 114475887A
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- inner rod
- vertical pipe
- front fork
- shock
- absorbing
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000035939 shock Effects 0.000 claims description 38
- 239000000725 suspension Substances 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K21/00—Steering devices
- B62K21/08—Steering dampers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K21/00—Steering devices
- B62K21/02—Front wheel forks or equivalent, e.g. single tine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to a single-gun shock-absorbing front fork structure and a shock-absorbing method thereof, wherein a vertical pipe is sleeved on an inner rod, a plurality of positioning pins and a plurality of rollers are arranged between the vertical pipe and the inner rod, so that the gap between the vertical pipe and the inner rod is eliminated, the vertical pipe and the inner rod are prevented from being excessively worn and relatively rotated, the noise is further reduced, the steering is reliable, and a spring is compressed or extended by utilizing an adjusting rod, so that the aim of adjusting the shock-absorbing strength according to different personal habits is fulfilled.
Description
Technical Field
The invention relates to the field of bicycles, in particular to the category of a single-gun shock-absorbing front fork.
Background
General bicycle can probably ride in rugged and uneven road surface, because of the safety consideration, must possess good effect of moving away to avoid possible earthquakes, so can install the mechanism of moving away to avoid possible earthquakes at two front fork feet of bicycle, but the elastic constant of spring can decline along with long-time the use, cause the equilibrium between the spring two to descend, increase the risk of riding, and the cost that sets up two sets of springs improves, consequently follow-up someone just improves to single rifle front fork of moving away to avoid possible earthquakes, it is the installation spring between the upper tube and the low tube of front fork, utilize single rifle to evenly inhale the shake and reach the effect of moving away to avoid possible earthquakes, avoid the problem of equilibrium simultaneously.
However, the known single-gun shock absorbing front fork has disadvantages in practical use, such as the disclosure of taiwan patent publication No. M365310 "improvement of positioning structure of middle tube of front fork" (iii), the friction force of the shock absorbing mechanism is large, the internal components are easily worn away, and an excessive gap is formed between the components, so that the shock absorbing mechanism is easily noisy.
Furthermore, another problem of the prior art is that the spring constant of the spring cannot be adjusted, so that the spring cannot achieve a comfortable shock absorbing effect on different road surfaces or under personal habits, and after the spring is used for a long time, a gap is generated between the vertical pipe and the guide rod, so that the spring cannot absorb shock smoothly, and the risk of riding the bicycle is increased.
Disclosure of Invention
Accordingly, the inventor of the present invention is concerned with developing the single-gun shock absorbing front fork structure and the shock absorbing method thereof, so that the main objects of the present invention are: to provide a single-gun shock-absorbing front fork capable of reducing the friction and wear of shock-absorbing operation; the secondary objects of the invention are: it provides a single-gun shock-absorbing front fork for adjusting the hardness of shock absorption.
The invention aims to achieve the purpose, and adopts the following technical means:
a single-gun shock-absorbing front fork structure is characterized by comprising:
a front fork seat body, the top end of which is provided with a through hole groove, and the bottom of the front fork seat body is connected with a first front fork leg and a second front fork leg;
an inner rod, the rod body of which is in a step shape, the bottom of the inner rod is connected with a through hole groove of the front fork seat body and is connected with a fastener, the upper part of the inner rod is provided with an embedding groove part, the surface of the embedding groove part is provided with a plurality of first positioning grooves in the vertical direction, and a plurality of positioning pins are respectively arranged on the first positioning grooves;
the adjusting rod penetrates through the dustproof assembly, the limiting lantern ring and the spring, and the bottom of the adjusting rod is connected to the top end of the inner rod;
the vertical pipe is a hollow cylinder, the inner wall of the vertical pipe is provided with a plurality of first guide grooves, when the inner rod is sleeved on the vertical pipe, each first guide groove provides a guide for the plurality of positioning pins, and the vertical pipe can be accommodated and sleeved outside the spring, the adjusting rod and the inner rod;
therefore, the positioning pins on the inner rod are embedded with the vertical pipe so as to guide the vertical pipe to move linearly up and down.
The single-gun suspension fork structure, wherein: the top end of the inner rod is provided with a first internal thread hole slot for connecting an external thread arranged at the bottom of the adjusting rod; and the bottom end of the inner rod is provided with a second threaded hole groove so as to provide an external thread connected with the fastener.
The single-gun suspension fork structure, wherein: the surface of the caulking groove part at the top end of the inner rod is provided with a plurality of transverse second positioning grooves for accommodating and embedding a plurality of rollers; the inner wall of the vertical pipe is provided with a plurality of second guide grooves, and when the pipe is sleeved with the inner rod, the second guide grooves provide the plurality of rollers for propping action.
The single-gun suspension fork structure, wherein: when the vertical pipe is sleeved with the inner rod, a plurality of vertical first guide grooves and a plurality of horizontal second guide grooves are arranged on the hollow inner wall of the vertical pipe in a staggered and spaced mode, and the first guide grooves and the second guide grooves extend from the bottom of the vertical pipe to the middle.
The single-gun suspension fork structure, wherein: the outer peripheral end surface of the inner rod is a polygonal body, a plurality of vertical surfaces form a plurality of corner ends, each corner end is provided with a first positioning groove, and each vertical surface is provided with a plurality of second positioning grooves; the inner diameter of the vertical pipe is provided with an inner polygonal hole groove for the corresponding accommodation of the inner rod, the inner polygonal hole groove is composed of a plurality of first guide grooves and a plurality of second guide grooves, and the first guide grooves of the vertical pipe correspond to the positioning pins of the inner pipe and the rollers which enable the second guide grooves of the vertical pipe to correspond to the inner rod.
The single-gun suspension fork structure, wherein: the surface of the inner rod caulking groove part is provided with an even number of vertical first positioning grooves and an even number of horizontal second positioning grooves for accommodating and caulking the corresponding positioning pins and the rollers.
The single-gun suspension fork structure, wherein: the dustproof assembly also comprises a dustproof sleeve and an upper combining seat, and the upper combining seat and a lower combining seat of the front fork seat body are connected with the dustproof sleeve.
The single-gun suspension fork structure, wherein: and the shock absorption cushion cover penetrates through the adjusting rod and is arranged above the limiting lantern ring.
A shock absorbing method for a single-gun shock absorbing front fork, comprising:
a front fork shock-absorbing part selecting and mounting step, wherein the position above two front fork legs is selected as a mounting shock-absorbing part;
a telescopic shock-absorbing construction step, wherein a mechanism with telescopic and shock-absorbing functions is arranged at the installation shock-absorbing position, and the mechanism also comprises a vertical pipe, an inner rod, an adjusting rod and a spring, wherein the adjusting rod is penetrated and extended behind a limiting lantern ring and the spring arranged on the vertical pipe and is connected with the top end of the inner rod, so that the spring is positioned between the vertical pipe and the inner rod; and
and a step of reducing friction, wherein a plurality of positioning pins and a plurality of rollers are arranged between the vertical pipe and the inner rod, the plurality of positioning pins are used for guiding the vertical pipe to linearly move up and down, and the plurality of rollers are used for reducing the friction between the inner rod and the vertical pipe during the movement.
The invention can achieve the following effects by means of the above means:
the invention mainly connects a plurality of positioning pins arranged on the inner rod with the first guide groove of the vertical pipe so as to guide the vertical pipe to linearly move up and down, and connects a plurality of rollers with the second guide groove so as to reduce the friction between the inner rod and the vertical pipe during the movement, reduce the abrasion and the noise and prolong the service life of components.
When the invention wants to adjust the hardness of the shock absorber, a tool is used to rotate the external thread from the hexagonal socket at the top end of the adjusting rod and move the inner rod upwards, so as to change the compression stroke of the spring and further achieve the purpose of adjusting the hardness of the shock absorber.
Drawings
FIG. 1 is a perspective view of a single-gun shock absorbing front fork of the present invention.
Fig. 2 is an exploded perspective view of the single-gun suspension fork of the present invention.
Fig. 3 is an X-X sectional view of fig. 1.
FIG. 4 is an enlarged view of the inner rod of the single-gun shock absorbing front fork of the present invention.
FIG. 5 is a perspective cross-sectional view of a seat tube of the single-gun shock absorbing front fork of the present invention.
FIG. 6 is a bottom view of a seat tube of the single gun suspension fork of the present invention.
Fig. 7 is a Y-Y sectional view of fig. 3. .
FIG. 8 is a schematic view of the single-gun shock absorbing front fork of the present invention.
FIG. 9 is a flowchart illustrating steps of a method for shock absorbing a front fork with a single gun according to the present invention.
Description of reference numerals: a-single-gun shock-absorbing front fork; b-a shock absorbing method of a single-gun shock absorbing front fork; a-selecting and installing step at the shock-absorbing position of the front fork; b-a step of telescopic shock-absorbing construction; c-a friction reducing step; 1-a front fork; 11-a front fork seat body; 12-a first front fork foot; 13-a second front fork foot; 14-a lower coupling seat; 15-through hole slot; 16-a fastener; 2-a riser; 20-inner polygonal hole; 21-a first guide slot; 22-a second guide groove; 23-upper coupling seat; 3-adjusting the rod; 31-hexagon socket; 32-external threads; 33-shock absorption cushion cover; 34-a gasket; 35-a stop collar; 36-a dust-proof sleeve; 37-a spring; 4-inner rod; 40-a caulking section; 401-facade; 402-corner ends; 41-a first positioning groove; 42-a second positioning groove; 43-a first internally threaded bore; 44-a second internally threaded bore; 45-positioning pins; 46-roller.
Detailed Description
Referring to fig. 1 and 2, the present invention relates to a single-gun shock absorbing front fork structure, which is mainly used for shock absorbing of a front fork of a bicycle or a motorcycle, wherein the single-gun shock absorbing front fork a comprises: a front fork 1, a vertical pipe 2, an adjusting rod 3 and an inner rod 4; the above components will be described with reference to the drawings.
The front fork 1 includes a front fork base 11, as shown in fig. 2, and a through hole slot 15 is formed at the top end of the front fork base 11, and the bottom of the front fork base 11 is connected to a first front fork leg 12 and a second front fork leg 13, and a lower connecting base 14 is disposed outside the lower portion of the front fork base 11.
The inner rod 4 is stepped, as shown in fig. 2 and 4, a second internal threaded hole 44 is formed at the bottom thereof and is connected to the through hole slot 15 of the front fork seat 11, and is connected to a fastening member 16, and a notch portion 40 is formed at the upper portion of the inner rod, wherein a plurality of vertical first positioning slots 41 and a plurality of horizontal second positioning slots 42 are formed on the surface of the notch portion 40, and a plurality of positioning pins 45 and a plurality of rollers 46 are respectively disposed thereon.
As shown in fig. 2 and 7, the adjusting rod 3 penetrates through a shock absorbing cushion cover 33, a spacer 34, a limiting collar 35, a dust-proof sleeve 36 and a spring 37, and the bottom of the adjusting rod is connected to a first internal threaded hole 43 formed at the top end of the inner rod 4; in particular, the stop collar 35 is fixedly connected to the interior 2 of the riser.
The vertical pipe 2 is a hollow cylinder, as shown in fig. 2, 5 and 6, the inner wall of the vertical pipe is provided with a plurality of vertical first guide grooves 21 and a plurality of horizontal second guide grooves 22, and the plurality of first guide grooves 21 and the plurality of second guide grooves 22 are arranged in a staggered manner, when the vertical pipe 2 is sleeved with the inner rod 4, the first guide grooves 21 provide for guiding the positioning pins 45 to be embedded, the second guide grooves 22 provide for guiding the inner rod 4 to be embedded and supported by a plurality of rollers 46, the vertical pipe 2 is sleeved outside the adjusting rod 3, the spring 37 and the inner rod 4, and the first guide grooves 21 and the second guide grooves 22 are arranged to extend from the bottom to the middle of the vertical pipe 2; further, as shown in fig. 7, an upper coupling seat 23 is connected to a lower portion of the stem 2, and the upper coupling seat 23 cooperates with the lower coupling seat 14 of the front fork seat 11 to provide a dust-proof cover 36, and the dust-proof cover 36 provides a dust-proof protection effect.
Further, as shown in fig. 3 and 4, the outer peripheral edge of the inner rod 4 is a regular polygon (a hexagonal shape in the preferred embodiment), a plurality of vertical faces 401 form a plurality of end corners 402, the plurality of first positioning slots 41 are vertically disposed at the plurality of end corners 402, and a plurality of second positioning slots 42 are horizontally disposed above each vertical face 401; and the inner peripheral end face of the upright rod 2 is provided with an inner polygonal hole 20 for accommodating the inner rod 4, wherein the inner polygonal hole 20 is formed by a plurality of first guide grooves 21 and a plurality of second guide grooves 22 which are arranged in a staggered manner, wherein the first guide grooves 21 are correspondingly provided with positioning pins 45 of the inner rod 4, and the second guide grooves 42 are correspondingly provided with rollers 46 of the inner rod 4.
Therefore, the single-gun shock-absorbing front fork a of the present invention provides a better solution for reducing the wear and the shock-absorbing hardness, as shown in fig. 3, in a preferred embodiment of the single-gun shock-absorbing front fork a of the present invention, an inner rod 4 is sleeved on a vertical tube 2, a plurality of positioning pins 45 are embedded on the inner rod 4, the plurality of positioning pins 45 can prevent the inner rod 4 and the vertical tube 2 from rotating relatively to each other, and a plurality of rollers 46 embedded on the inner rod 4 averagely bear linear movement from the plurality of second guide slots 22 to generate less friction and wear, so as to prevent the inner rod 4 and the vertical tube 2 from generating an excessively large gap, reduce the wear, and further achieve the purpose of prolonging the service life of the single-gun shock-absorbing front fork a.
Accordingly, as shown in fig. 7 and 8, when the single-gun shock-absorbing front fork a of the present invention travels over a bumpy road surface, the road impact force is transmitted to the front fork seat 11 through the first front fork leg 12 and the second front fork leg 13, and then the impact is absorbed by the spring 37, so as to achieve the shock-absorbing effect, and under the cooperation of the plurality of positioning pins 45 and the plurality of rollers 46, the plurality of positioning pins 45 effectively limit the relative rotation of the inner rod 4 and the upright tube 2, so as to ensure the smooth and reliable rotation of the inner rod and the upright tube 2, and the plurality of rollers 46 absorb the vertical linear motion generated by the kinetic energy of the spring 37, so that the bicycle does not sway left and right and generate noise during the shock-absorbing process.
When the shock absorption softness and hardness of the single-gun shock absorption front fork A of the invention are to be adjusted, a tool can be used to operate the axial moving position of the external thread 32 from the hexagonal socket 31 at the top end of the adjusting rod 3, and the inner rod 4 positioned below the adjusting rod 3 is pushed upwards, and the compression stroke of the spring 37 is changed, so that the adjustment of the shock absorption softness and hardness is achieved.
With the above-mentioned overall structure of the single-gun suspension fork A, as shown in FIGS. 7 and 9, a suspension method B of the single-gun suspension fork of the present invention can be summarized as including: a front fork shock-absorbing part selecting and mounting step a, which selects the upper part of two front fork legs as a mounting shock-absorbing part; a step b of constructing a telescopic shock absorber, wherein a mechanism having both telescopic and shock absorber functions is disposed at the installation shock absorber, and the mechanism further comprises a vertical tube 2, an inner rod 4, an adjusting rod 3 and a spring 37, wherein the adjusting rod 3 is inserted into a position of the vertical tube 2 after a limiting sleeve 35 and the spring 37 are fixedly disposed, and is connected to the top end of the inner rod 4, so that the spring 37 is disposed between the vertical tube 2 and the inner rod 4; and a friction reducing step c, setting a plurality of vertical first guide slots 21 and a plurality of horizontal second guide slots 22 on the inner wall of the vertical pipe 2, and setting the plurality of first guide slots 21 and the plurality of second guide slots 22 in a staggered configuration, when the inner rod 4 is sleeved on the vertical pipe 2, each first guiding groove 21 is provided for the insertion of a plurality of positioning pins 45 arranged on the guiding inner rod 4, the second guiding grooves 22 are provided for the insertion of a plurality of rollers 46 on the guiding inner rod 4, and the vertical tube 2 is sleeved outside the adjusting rod 3, the spring 37 and the inner rod 4, and the first guide slot 21 and the second guide slot 22 are disposed to extend from the bottom to the middle section of the vertical pipe 2, so that the plurality of positioning pins 45 at the corner end are disposed to vertically guide the vertical pipe 2 to move up and down linearly, the horizontal rollers 46 are disposed alternately to reduce the friction between the inner rod 4 and the vertical pipe 2 during operation.
Claims (9)
1. A single-gun shock-absorbing front fork structure is characterized by comprising:
a front fork seat body, the top end of which is provided with a through hole groove, and the bottom of the front fork seat body is connected with a first front fork leg and a second front fork leg;
an inner rod, the rod body of which is in a step shape, the bottom of the inner rod is connected with a through hole groove of the front fork seat body and is connected with a fastener, the upper part of the inner rod is provided with an embedding groove part, the surface of the embedding groove part is provided with a plurality of first positioning grooves in the vertical direction, and a plurality of positioning pins are respectively arranged on the first positioning grooves;
the adjusting rod penetrates through the dustproof assembly, the limiting lantern ring and the spring, and the bottom of the adjusting rod is connected to the top end of the inner rod;
the vertical pipe is a hollow cylinder, the inner wall of the vertical pipe is provided with a plurality of first guide grooves, when the vertical pipe is sleeved with the inner rod, the first guide grooves provide guidance for the plurality of positioning pins, and the vertical pipe can be accommodated and sleeved outside the spring, the adjusting rod and the inner rod;
therefore, the vertical pipe is embedded with a plurality of positioning pins on the inner rod so as to guide the vertical pipe to move linearly up and down.
2. The single-gun shock absorbing front fork structure of claim 1, wherein: the top end of the inner rod is provided with a first internal thread hole slot for connecting an external thread arranged at the bottom of the adjusting rod; and the bottom end of the inner rod is provided with a second threaded hole groove so as to provide an external thread connected with the fastener.
3. The single-gun suspension fork structure of claim 1, further comprising: the surface of the caulking groove part at the top end of the inner rod is provided with a plurality of transverse second positioning grooves for accommodating and embedding a plurality of rollers; the inner wall of the vertical pipe is provided with a plurality of second guide grooves, and when the pipe is sleeved with the inner rod, the second guide grooves provide the plurality of rollers for propping action.
4. The single-gun shock absorbing front fork structure of claim 3, wherein: when the vertical pipe is sleeved with the inner rod, a plurality of vertical first guide grooves and a plurality of horizontal second guide grooves are arranged on the hollow inner wall of the vertical pipe in a staggered and spaced mode, and the first guide grooves and the second guide grooves extend from the bottom of the vertical pipe to the middle.
5. The single-gun shock absorbing front fork structure of claim 3, wherein: the outer peripheral end surface of the inner rod is a polygonal body, a plurality of vertical surfaces form a plurality of corner ends, each corner end is provided with a first positioning groove, and each vertical surface is provided with a plurality of second positioning grooves; the inner diameter of the vertical pipe is provided with an inner polygonal hole groove for the corresponding accommodation of the inner rod, the inner polygonal hole groove is composed of a plurality of first guide grooves and a plurality of second guide grooves, and the first guide grooves of the vertical pipe correspond to the positioning pins of the inner pipe and the rollers which enable the second guide grooves of the vertical pipe to correspond to the inner rod.
6. The single-gun shock absorbing front fork structure of claim 3, wherein: the surface of the inner rod caulking groove part is provided with an even number of vertical first positioning grooves and an even number of horizontal second positioning grooves for accommodating and caulking the corresponding positioning pins and the rollers.
7. The single-gun shock absorbing front fork structure of claim 1, wherein: the dustproof assembly also comprises a dustproof sleeve and an upper combining seat, and the upper combining seat and a lower combining seat of the front fork seat body are connected with the dustproof sleeve.
8. The single-gun suspension fork structure of claim 1, further comprising: and the shock absorption cushion cover penetrates through the adjusting rod and is arranged above the limiting lantern ring.
9. A shock absorbing method for a single-gun shock absorbing front fork, comprising:
a front fork shock-absorbing part selecting and mounting step, wherein the position above two front fork legs is selected as a mounting shock-absorbing part;
a telescopic shock-absorbing construction step, wherein a mechanism with telescopic and shock-absorbing functions is arranged at the installation shock-absorbing position, and the mechanism also comprises a vertical pipe, an inner rod, an adjusting rod and a spring, wherein the adjusting rod is penetrated and extended behind a limiting lantern ring and the spring arranged on the vertical pipe and is connected with the top end of the inner rod, so that the spring is positioned between the vertical pipe and the inner rod; and
and a step of reducing friction, wherein a plurality of positioning pins and a plurality of rollers are arranged between the vertical pipe and the inner rod, the plurality of positioning pins are used for guiding the vertical pipe to linearly move up and down, and the plurality of rollers are used for reducing the friction between the inner rod and the vertical pipe during the movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011156698.8A CN114475887A (en) | 2020-10-26 | 2020-10-26 | Single-gun shock-absorbing front fork structure and shock-absorbing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011156698.8A CN114475887A (en) | 2020-10-26 | 2020-10-26 | Single-gun shock-absorbing front fork structure and shock-absorbing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114475887A true CN114475887A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011156698.8A Pending CN114475887A (en) | 2020-10-26 | 2020-10-26 | Single-gun shock-absorbing front fork structure and shock-absorbing method thereof |
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| Country | Link |
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| CN (1) | CN114475887A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM460826U (en) * | 2013-03-15 | 2013-09-01 | A Pro Tech Co Ltd | Bike anti-rotation telescopic device |
| CN203727581U (en) * | 2012-12-20 | 2014-07-23 | 深圳信隆实业股份有限公司 | Steering limiting device for front fork of bicycle |
| TWM591949U (en) * | 2019-07-31 | 2020-03-11 | 新可大國際股份有限公司 | Improved single-chamber shock absorption front fork structure of bicycle |
-
2020
- 2020-10-26 CN CN202011156698.8A patent/CN114475887A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203727581U (en) * | 2012-12-20 | 2014-07-23 | 深圳信隆实业股份有限公司 | Steering limiting device for front fork of bicycle |
| TWM460826U (en) * | 2013-03-15 | 2013-09-01 | A Pro Tech Co Ltd | Bike anti-rotation telescopic device |
| TWM591949U (en) * | 2019-07-31 | 2020-03-11 | 新可大國際股份有限公司 | Improved single-chamber shock absorption front fork structure of bicycle |
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