CN109018100B - Bicycle seat post lifting locking device and use method thereof - Google Patents
Bicycle seat post lifting locking device and use method thereof Download PDFInfo
- Publication number
- CN109018100B CN109018100B CN201811152180.XA CN201811152180A CN109018100B CN 109018100 B CN109018100 B CN 109018100B CN 201811152180 A CN201811152180 A CN 201811152180A CN 109018100 B CN109018100 B CN 109018100B
- Authority
- CN
- China
- Prior art keywords
- seat
- rod
- retainer
- connecting rod
- upper seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000000694 effects Effects 0.000 claims description 8
- 230000005489 elastic deformation Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
- B62J1/08—Frames for saddles; Connections between saddle frames and seat pillars; Seat pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
- B62J1/08—Frames for saddles; Connections between saddle frames and seat pillars; Seat pillars
- B62J2001/085—Seat pillars having mechanisms to vary seat height, independently of the cycle frame
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
A bicycle seat post lifting locking device and a use method thereof comprise a seat tube, an upper seat post, a lower seat post, a connecting rod device and a fastening device, wherein the upper seat post and the lower seat post are sleeved in the seat tube and are in sliding connection with the seat tube along the axial direction, and the top end of the upper seat post is higher than the top end of the seat tube; an upper pipe cover is arranged at the bottom of the upper seat rod, and a lower pipe cover is arranged at the top of the lower seat rod; the upper seat rod is provided with a connecting rod device which can move along the upper seat rod; the tightening device is connected with the connecting rod device, is arranged between the upper pipe cover and the lower pipe cover and can move along the upper seat rod. The fastening device is limited between the upper pipe cover and the lower pipe cover, and the sleeve is lifted in the retainer by the lifting of the pull handle, so that the locking of the elastic deformation finishing device is finally realized. The lifting locking device solves the problems of poor reliability, complex structure and inconvenient operation of the existing lifting locking device, and is suitable for various bicycles.
Description
Technical Field
The invention relates to the technical field of lifting locking of saddle rods, in particular to a lifting locking device of a saddle rod of a bicycle and a use method thereof.
Background
At present, a common bicycle seat post lifting locking device generally uses the loosening or shrinking of a clamp bolt on a bicycle seat tube to change the diameter of the bicycle seat tube so as to complete the locking function. The lifting locking mode of the bicycle seat post has the following problems: when lifting, the seat rod is easy to rotate around the seat tube, so that the position of the seat is changed to influence the comfort; the clamp bolt has poor reliability, is easy to loosen and is easy to slide and even break after long-time use in the riding process; particularly, after the bicycle is wetted by rainwater, materials are easy to adhere after long-time locking, so that the seat rod and the seat tube cannot be separated, and the lifting function is lost.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a bicycle seat post lifting locking device and a using method thereof.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a bicycle seat post lifting locking device comprises a seat tube, an upper seat post, a lower seat post, a connecting rod device and a fastening device, wherein the upper seat post and the lower seat post are sleeved in the seat tube and are in sliding connection with the seat tube along the axial direction, and the top end of the upper seat post is higher than the top end of the seat tube; an upper pipe cover is arranged at the bottom of the upper seat rod, and a lower pipe cover is arranged at the top of the lower seat rod; the upper seat rod is provided with a connecting rod device which can move along the upper seat rod; the tightening device is connected with the connecting rod device, is arranged between the upper pipe cover and the lower pipe cover and can move along the upper seat rod.
The invention is further improved in that the fastening device comprises a retainer, an upper spring and an elastic body, wherein the retainer comprises an upper retainer and a lower retainer, the upper retainer and the lower retainer are connected through a plurality of upper springs, an inner center hole is formed at the axle center of the upper retainer and the lower retainer, the elastic body is cylindrical, and the elastic body is tightly sleeved on the outer wall of the retainer.
The invention is further improved in that the bottom of the connecting rod is provided with a guide block, the lower pipe cover is cylindrical, the bottom of the lower pipe cover is provided with an opening, the top of the lower pipe cover is provided with an opening, the guide block is positioned in the lower pipe cover, and a middle spring sleeved on the connecting rod is arranged between the top of the lower pipe cover and the guide block.
The invention is further improved in that a lower spring is arranged at the inner bottom of the seat tube, and the top of the lower spring is contacted with the lower seat rod.
A further development of the invention consists in that the link means comprise a pull handle, a link, an earring and a sleeve, the link passing through the upper seat post, the lower seat post and the axis and through the inner central hole of the holder of the tightening means.
The invention is further improved in that a chute is formed in the side wall of the upper seat rod, an earring is arranged at the top of the connecting rod, a pull handle is arranged on the earring, the pull handle is perpendicular to the connecting rod, and the pull handle is arranged in the chute and can move up and down along the chute.
The invention is further improved in that when the height of the upper seat rod is adjusted upwards, the upper seat rod is lifted upwards, and under the action of the elasticity of the lower spring, the lower seat rod and the fastening device are tightly attached to the upper seat rod and move upwards; when the height of the upper seat rod is adjusted downwards, the pull handle is pressed downwards, the upper seat rod and the connecting rod device move downwards simultaneously, and the lower seat rod, the fastening device and the upper seat rod move downwards under the action of the elasticity of the lower spring.
The invention is further improved in that the seat tube is provided with a clamp for limiting the lifting height and the axial rotation angle of the upper seat rod.
When the upper seat rod is locked, the handle is lifted upwards, the connecting rod drives the sleeve to move into the central hole of the retainer, the diameter of the central hole is expanded by the sleeve, the retainer radially expands, the elastomer tightly sleeved on the retainer is tightly fixed on the outer wall of the seat tube to achieve the locking effect, and the upper spring is in a stretched state at the moment; when the upper seat rod is loosened, the handle is pressed downwards, the connecting rod drives the sleeve to move outwards from the central hole of the retainer, the diameter of the central hole of the retainer radially contracts under the action of the tension of the upper spring to restore the original size, the deformation of the elastic body tightly sleeved on the retainer is reduced, the locking effect is lost, and the height of the whole device can be freely adjusted.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the seat tube, the upper seat rod, the lower seat rod, the connecting rod device and the fastening device are arranged, so that the connecting rod device and the fastening device can move along the upper seat rod; the seat tube and the upper seat rod can keep a larger gap, the phenomenon that materials are adhered and cannot be separated can not occur when the seat tube is used for a long time, and the reliability is high; the lifting locking device is firm in position fixation, high in reliability, simple in structure and convenient to operate.
Furthermore, the locking mode of the inner wall of the elastic body tight expansion seat tube is adopted, and parts are positioned in the seat tube, so that the seat tube is not easy to damage and convenient to replace; the inner part of the lower spring supporting seat tube is used, so that the force required by adjusting the upper seat rod is reduced, and the operation is convenient.
Further, the protrusions of the clamp tightly sleeved on the seat pipe rolling groove are matched with the grooves of the upper seat rod, so that the rising height and the axial rotation angle of the upper seat rod can be limited; the outer wall of the sleeve is provided with a decompression groove, so that the force is smaller when the pull rod is operated;
further, the pipe wall of the upper seat rod is provided with an axial chute, the pipe wall of the seat pipe is provided with a rolling groove, and the rolling groove and the bulge of the clamp are matched to fix the position of the clamp so as to limit the movement track of the upper seat rod, so that the lifting locking device always keeps a reliable whole.
When the upper seat rod is locked, the handle is lifted upwards, the connecting rod drives the sleeve to move into the central hole of the retainer, the diameter of the central hole is expanded by the sleeve, so that the retainer radially expands, the elastic body tightly sleeved on the retainer is tightly fixed on the outer wall of the seat pipe to achieve the locking effect, and the upper spring is in a stretched state at the moment; when the upper seat rod is loosened, the handle is pressed downwards, the connecting rod drives the sleeve to move outwards from the central hole of the retainer, the diameter of the central hole of the retainer radially contracts under the action of the tension of the upper spring to restore the original size, the deformation of the elastic body tightly sleeved on the retainer is reduced, the locking effect is lost, and the height of the whole device can be freely adjusted. The invention has the advantages of convenient use and operation, adopts the locking mode of the portable pull rod, can complete locking and loosening actions by only lifting the pull rod, and has convenient operation and smooth force application.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic view of the fastening device of the present invention.
Fig. 4 is a schematic view of the structure of the link device of the present invention.
Fig. 5 is a schematic structural view of the present invention.
Fig. 6 is a cutaway view of the fastening device.
The figure indicates: 1 is a seat tube; 2 is a clamp; 3 is a lower spring; 4 is a lower seat rod; 5 is a lower pipe cover; 6 is a guide block; 7 is a sleeve; 8 is an elastomer; 9 is a connecting rod; 10 is an upper tube cover; 11 is an upper seat rod; 12 is an earring; 13 is a pull handle; 14 is an upper spring; 15 is a retainer; 16 is a middle spring.
Detailed Description
The present invention is further described below with reference to the accompanying drawings, which form a part hereof, and in conjunction with the accompanying drawings, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
As shown in fig. 1 to 6, the bicycle seat post lifting locking device of the present invention comprises a seat tube 1, an upper seat post 11, a lower seat post 4, a link device and a fastening device, wherein the upper seat post 11 is connected with the lower seat post 4, and the upper seat post 11 and the lower seat post 4 are both sleeved in the seat tube 1 and are slidingly connected with the seat tube 1 along the axial direction, and the top end of the upper seat post 11 is higher than the top end of the seat tube 1; the bottom of the upper seat rod 11 is fixedly provided with an upper pipe cover 10 through a clamping hole, and the top of the lower seat rod 4 is fixedly provided with a lower pipe cover 5 through a clamping hole. The upper pipe cover 10 is similar to the lower pipe cover 5 in structure, different in size, the upper pipe cover 10 and the lower pipe cover 5 are different in size, the upper pipe cover 10 and the lower pipe cover are integrally cylindrical, the bottom of the upper pipe cover is open, the side wall of the upper pipe cover is reserved with four cylindrical sectors, the top of the upper pipe cover is provided with a plurality of holes, the center hole is used for a connecting rod 9 to penetrate through, the rest holes are used for ventilation and water permeation, the upper pipe cover 10 is buckled on an upper seat rod 11, and the lower pipe cover 5 is buckled on a lower seat rod 4.
Referring to fig. 3 and 6, the tightening device is disposed between the upper tube cap 10 and the lower tube cap 5, the tightening device includes a holder 15, an upper spring 14, and an elastic body 8, the holder 15 includes an upper holder and a lower holder, and the upper holder and the lower holder are connected by 4 upper springs 14, so that an inner center hole is formed at the axes of the upper holder and the lower holder, the elastic body 8 is cylindrical, the elastic body 8 is made of rubber, and the elastic body 8 is tightly sleeved on the outer wall of the holder 15, that is, the holder 15 is disposed inside the elastic body 8 and contacts with the inner wall of the elastic body 8. The elastic body 8 is tightly sleeved on the outer wall side of the retainer 15, and can correspondingly deform along with the expansion and contraction of the retainer 15.
Referring to fig. 2, a guide block 6 is provided at the bottom of the connecting rod 9, the guide block 6 is located in the lower pipe cover 5, and the circumferential raised surface of the guide block 6 is matched with a groove on the lower pipe cover 5 and can move up and down along the lower pipe cover 5. A middle spring 16 sleeved on the connecting rod 9 is arranged between the top of the lower pipe cover 5 and the guide block 6. I.e. the middle spring 16 is fixed at one end at the top of the lower tube cover 5 and at the other end at the guide block 6. The middle spring 16 serves to buffer the guide block 6 and limit the moving distance of the guide block 6.
Referring to fig. 2, a lower spring 3 is disposed at the bottom of the seat tube 1, the bottom end of the lower spring 3 is fixed at the bottom of the inner hole of the seat tube 1, and the top end of the lower spring 3 contacts with the lower seat rod 4 and plays a role in supporting the lower seat rod 4.
Referring to fig. 4 and 5, the link device mainly comprises a pull handle 13, a link 9, an earring 12 and a sleeve 7, wherein a decompression groove is formed in the surface of the sleeve 7; the connecting rod 9 passes through the axes of the upper seat bar 11 and the lower seat bar 4 and through a central hole inside the retainer 15 of the tightening device, which is located between the upper seat bar 11 and the lower seat bar 4. Specifically, a chute is formed in the side wall of the upper seat rod 11, an earring 12 is arranged at the top of the connecting rod 9, a pull handle 13 is arranged on the earring 12, the pull handle 13 is perpendicular to the connecting rod 9, and the pull handle 13 is arranged in the chute, can move up and down along the chute and is limited to move in the chute of the upper seat rod 11.
As shown in fig. 2 and 5, when the height of the upper seat bar 11 is adjusted upward, the upper seat bar 11 is lifted manually upward, the lower seat bar 4 and the fastening device are tightly attached to the upper seat bar 11 to move upward under the elastic force of the lower spring 3, and the link device is enabled to move upward along with the upper seat bar 11 due to the limitation of the bottom end of the pull handle 13 on the pull handle 13; when the height of the upper seat rod 11 is adjusted downwards, the pull handle 13 is manually pressed downwards, and the upper seat rod 11 and the connecting rod device simultaneously move downwards due to the limitation of the bottom end of the pull handle to the pull handle 13, and the lower seat rod 4 and the fastening device simultaneously move downwards with the upper seat rod 11 under the elastic force of the lower spring 3.
The sleeve 7 of the present invention can be moved into and out of the central bore of the cage 15, and the central bore of the cage 15 can vary in size as the diameter of the sleeve 7 varies.
The using method of the bicycle seat post lifting locking device comprises the following steps: as shown in fig. 2 and 5, when the upper seat rod 11 is locked, the pull handle 13 is lifted upwards manually, the connecting rod 9 drives the sleeve 7 to move into the central hole of the retainer 15, the diameter of the central hole is expanded by the sleeve 7, so that the retainer 15 expands radially, the elastic body 8 tightly sleeved on the retainer 15 deforms and tightly fixes the outer wall of the seat tube 1 to achieve the locking effect, and the upper spring 14 is in a stretched state at the moment; when the upper seat rod 11 is loosened, the pull handle 13 is manually pressed downwards, the connecting rod 9 drives the sleeve 7 to move outwards of the central hole of the retainer 15, the diameter of the central hole of the retainer 15 radially contracts under the action of the tension of the upper spring 14 to restore the original size, so that the deformation of the elastic body 8 tightly sleeved on the retainer 15 is reduced, the locking effect is lost, and the height of the whole device can be freely adjusted.
As shown in fig. 1 and 5, the pipe wall of the upper seat rod 11 is provided with an axial sliding groove, the pipe wall of the seat pipe 1 is provided with a rolling groove, and the rolling groove and the corresponding bulge of the clamp 2 are matched to fix the position of the clamp 2, so that the clamp 2 can limit the lifting height and the axial rotation angle of the upper seat rod 11, and the lifting locking device always keeps a reliable working whole.
In the invention, the upper seat rod and the lower seat rod are sleeved in the seat pipe and are connected with the seat pipe in a sliding way along the axial direction, the interface of the upper seat rod and the lower seat rod is respectively provided with an upper pipe cover and a lower pipe cover through clamping holes, and the lifting of the device is completed by driving the movement of the upper seat rod; the connecting rod device mainly comprises a pull handle, a connecting rod, an earring and a sleeve, wherein the connecting rod penetrates through the upper seat rod, the lower seat rod and the central hole in the fastening device, and the central position is kept by the combined action of the lower pipe cover and the guide block; the tightening device comprises a retainer, an upper spring and an elastic body, wherein the retainer is formed by connecting the upper spring, the tightening device is limited between an upper pipe cover and a lower pipe cover, the sleeve is lifted in the retainer through a pull handle, and finally the deformation completion device of the elastic body is locked.
The lifting locking device solves the problems of poor reliability, complex structure and inconvenient operation of the existing lifting locking device, and is suitable for various bicycles.
Claims (5)
1. The bicycle seat rod lifting locking device is characterized by comprising a seat tube (1), an upper seat rod (11), a lower seat rod (4), a connecting rod device and a fastening device, wherein the upper seat rod (11) and the lower seat rod (4) are sleeved in the seat tube (1) and are in sliding connection with the seat tube (1) along the axial direction, and the top end of the upper seat rod (11) is higher than the top end of the seat tube (1); an upper pipe cover (10) is arranged at the bottom of the upper seat rod (11), and a lower pipe cover (5) is arranged at the top of the lower seat rod (4); the upper seat rod (11) is provided with a connecting rod device which can move along the upper seat rod (11); the fastening device is connected with the connecting rod device, is arranged between the upper pipe cover (10) and the lower pipe cover (5) and can move along the upper seat rod (11);
the fastening device comprises a retainer (15), an upper spring (14) and an elastic body (8), wherein the retainer (15) comprises an upper retainer and a lower retainer, the upper retainer and the lower retainer are connected through a plurality of upper springs (14) so that an inner center hole is formed at the axle center of the upper retainer and the lower retainer, the elastic body (8) is cylindrical, and the elastic body (8) is tightly sleeved on the outer wall of the retainer (15);
the connecting rod device comprises a pull handle (13), a connecting rod (9), an earring (12) and a sleeve (7), wherein the connecting rod (9) passes through the upper seat rod (11), the lower seat rod (4) and the axis and passes through the inner central hole of a retainer (15) of the fastening device;
the bottom in the seat tube (1) is provided with a lower spring (3), and the top of the lower spring (3) is contacted with a lower seat rod (4);
when the height of the upper seat rod (11) is adjusted upwards, the upper seat rod (11) is lifted upwards, and the lower seat rod (4) and the fastening device are tightly attached to the upper seat rod (11) and move upwards under the elastic force of the lower spring (3); when the height of the upper seat rod (11) is adjusted downwards, the pull handle (13) is pressed downwards, the upper seat rod (11) and the connecting rod device move downwards simultaneously, and the lower seat rod (4), the fastening device and the upper seat rod (11) move downwards under the action of the elasticity of the lower spring (3).
2. The lifting locking device for the bicycle seat post according to claim 1, wherein a guide block (6) is arranged at the bottom of the connecting rod (9), the lower tube cover (5) is cylindrical, the bottom is open, the top is provided with a hole, the guide block (6) is positioned in the lower tube cover (5), and a middle spring (16) sleeved on the connecting rod (9) is arranged between the top of the lower tube cover (5) and the guide block (6).
3. The lifting locking device for the bicycle seat post according to claim 1, wherein a chute is formed in the side wall of the upper seat post (11), an earring (12) is arranged at the top of the connecting rod (9), a pull handle (13) is arranged on the earring (12), the pull handle (13) is perpendicular to the connecting rod (9), and the pull handle (13) is arranged in the chute and can move up and down along the chute.
4. A bicycle seat post lifting locking device according to claim 1, characterized in that the seat tube (1) is provided with a clamp (2) for limiting the lifting height and axial rotation angle of the upper seat post (11).
5. A method for using a lifting locking device for a bicycle seat post according to claim 1, characterized in that when the upper seat post (11) is locked, the pull handle (13) is lifted upwards manually, the connecting rod (9) drives the sleeve (7) to move towards the central hole of the retainer (15), the diameter of the central hole is expanded by the sleeve (7) to enable the retainer (15) to expand radially, and the elastic body (8) tightly sleeved on the retainer (15) deforms and is tightly fixed on the outer wall of the seat post (1) to achieve a locking effect, and the upper spring (14) is in a stretching state at the moment; when the upper seat rod (11) is loosened, the pull handle (13) is manually pressed downwards, the connecting rod (9) drives the sleeve (7) to move outwards of the central hole of the retainer (15), the diameter of the central hole of the retainer (15) radially contracts under the action of the tension of the upper spring (14) to restore the original size, the deformation of the elastic body (8) tightly sleeved on the retainer (15) is reduced, the locking effect is lost, and the height of the whole device can be freely adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811152180.XA CN109018100B (en) | 2018-09-29 | 2018-09-29 | Bicycle seat post lifting locking device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811152180.XA CN109018100B (en) | 2018-09-29 | 2018-09-29 | Bicycle seat post lifting locking device and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109018100A CN109018100A (en) | 2018-12-18 |
| CN109018100B true CN109018100B (en) | 2024-01-19 |
Family
ID=64615374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811152180.XA Active CN109018100B (en) | 2018-09-29 | 2018-09-29 | Bicycle seat post lifting locking device and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109018100B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023649A (en) * | 1975-10-03 | 1977-05-17 | Wyle Laboratories | Safety lock device for lifts |
| US4113222A (en) * | 1977-05-31 | 1978-09-12 | Frinzel Jerry C | Intravenous pole |
| FR2775650A1 (en) * | 1998-03-06 | 1999-09-10 | Alexis Defarge | Adjustable cycle saddle support |
| WO2000024629A1 (en) * | 1998-10-26 | 2000-05-04 | Hofmann Spezialmaschinen | Device for adjusting the position of a seat |
| TW461413U (en) * | 2000-04-27 | 2001-10-21 | Chen Shin Ping | Improved structure for scooter |
| WO2009027681A1 (en) * | 2007-08-31 | 2009-03-05 | Karbon Kinetics Limited | Bicycle seat post |
| CN201296312Y (en) * | 2008-10-12 | 2009-08-26 | 王景辉 | Connecting structure of bicycle seat cushion with convenient installation |
| CN102131694A (en) * | 2008-06-30 | 2011-07-20 | 特种自行车配件公司 | Vertically adjustable bicycle assembly |
| CN208813380U (en) * | 2018-09-29 | 2019-05-03 | 长安大学 | A kind of bicycle seat pole lifting locking device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070132203A1 (en) * | 2005-12-14 | 2007-06-14 | Yamakoshi Cozy J | Height adjusting device for a bike seat |
-
2018
- 2018-09-29 CN CN201811152180.XA patent/CN109018100B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023649A (en) * | 1975-10-03 | 1977-05-17 | Wyle Laboratories | Safety lock device for lifts |
| US4113222A (en) * | 1977-05-31 | 1978-09-12 | Frinzel Jerry C | Intravenous pole |
| FR2775650A1 (en) * | 1998-03-06 | 1999-09-10 | Alexis Defarge | Adjustable cycle saddle support |
| WO2000024629A1 (en) * | 1998-10-26 | 2000-05-04 | Hofmann Spezialmaschinen | Device for adjusting the position of a seat |
| TW461413U (en) * | 2000-04-27 | 2001-10-21 | Chen Shin Ping | Improved structure for scooter |
| WO2009027681A1 (en) * | 2007-08-31 | 2009-03-05 | Karbon Kinetics Limited | Bicycle seat post |
| CN102131694A (en) * | 2008-06-30 | 2011-07-20 | 特种自行车配件公司 | Vertically adjustable bicycle assembly |
| CN201296312Y (en) * | 2008-10-12 | 2009-08-26 | 王景辉 | Connecting structure of bicycle seat cushion with convenient installation |
| CN208813380U (en) * | 2018-09-29 | 2019-05-03 | 长安大学 | A kind of bicycle seat pole lifting locking device |
Non-Patent Citations (1)
| Title |
|---|
| 公共自行车的座管研究;张勇;;中国自行车(01);全文 * |
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| CN109018100A (en) | 2018-12-18 |
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