CN203111435U - Bicycle chain wheel assembly - Google Patents
Bicycle chain wheel assembly Download PDFInfo
- Publication number
- CN203111435U CN203111435U CN 201320053082 CN201320053082U CN203111435U CN 203111435 U CN203111435 U CN 203111435U CN 201320053082 CN201320053082 CN 201320053082 CN 201320053082 U CN201320053082 U CN 201320053082U CN 203111435 U CN203111435 U CN 203111435U
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- chain wheel
- wheel assembly
- sprocket wheel
- bicycle chain
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
- B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
- B62M9/121—Rear derailleurs
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The utility model discloses a bicycle chain wheel assembly which comprises a hollow tube piece and a locking mechanism meshed with one end of the tube piece. A spline is arranged on the tube piece, a plurality of chain wheels are supported on the spline, the chain wheels are axially located through the locking mechanism, a ratchet wheel is arranged at the other end of the tube piece, a stopping plate is arranged between the tube piece and the ratchet wheel, a first chain wheel is arranged on one side of the stopping plate, and the first chain wheel is connected to the tube piece in a non-rotating mode. The bicycle chain wheel assembly has the advantages of being simple in structure, convenient to install, good in chain wheel concentricity, stable in variable speed, low in production cost and the like.
Description
Technical field
The utility model relates to the bicycle chain wheel assembly that constitutes a derailleur part.
Background technology
At present bicycle comprise vehicle frame, front and back wheel, be used for rotating one or more before sprocket wheels stretcher, a plurality ofly be installed in back sprocket wheel on the trailing wheel, also have one chain in the sprocket wheel and a plurality of backs sprocket wheel before the connection.Generally by near the Front Derailleur the sprocket wheel before being installed in be installed near the back sprocket wheel Rear Derailleur combined action by stirring chain, make it be connected to the speed change that realizes bicycle on the different back sprocket wheels.
Chinese patent literature 200610073341.7 provides a kind of chain wheel assembly of bicycle, be installed in respectively on two pipe fittings by the sprocket wheel with different sizes, and two pipe fittings are passed through screw-threaded engagement, and a transition sprocket wheel is set in the junction, complex structure, erection procedure is many, owing to be that sprocket wheel is installed in respectively on the different pipe fittings, the concentricity of sprocket wheel is good inadequately, thereby can cause the actual value in the speed change and theoretical value is variant or have some setbacks during speed change, because the sprocket wheel on the pipe fitting drives the rotation of trailing wheel, application force is big, and kind of the connection mode of this between the pipe fitting is reliable inadequately.
The utility model content
The utility model provides a kind of simple in structure, easy for installation at the problems referred to above, the sprocket wheel good concentricity, and speed change is stable, the bicycle chain wheel assembly that productive costs is low.
The technical solution of the utility model is:
A kind of bicycle chain wheel assembly, comprise the pipe fitting of hollow and the catch gear that meshes with pipe fitting one end, described pipe fitting is provided with spline, the some sprocket wheels of its upper support, described some sprocket wheels are by the catch gear axial location, and the other end of pipe fitting is provided with ratchet, is provided with baffle plate between described pipe fitting and the ratchet, described baffle plate one side is provided with first sprocket wheel, and described first sprocket wheel non-rotatably is connected on the pipe fitting.
As the improvement of such scheme, described pipe fitting and ratchet are one-body molded.
Further, described pipe fitting is provided with the chain pulley seat that first sprocket wheel is installed, and described chain pulley seat periphery is provided with some positioning grooves, is provided with the convex structure that some and described positioning groove cooperates in described first sprocket wheel week.
Further, the shape of described some positioning grooves has nothing in common with each other.
Further, described first sprocket wheel is set on the pipe fitting, be provided with in week in it with pipe fitting on first spline of spline fitted.
Further, described first sprocket wheel and pipe fitting are one-body molded.
Further, described first sprocket wheel and baffle plate are one-body molded, and are fixed on the pipe fitting.
Further, be provided with second sprocket wheel of second spline and the 3rd sprocket wheel that interior week is provided with the 3rd spline week in described some sprocket wheels comprise.
Further, described catch gear is the connection structure that comprises flange and threaded joints, and described pipe fitting end is provided with first negative thread with the engagement of the threaded joints of described connection structure.
Further, described catch gear is the jam nut that is provided with second negative thread, and described pipe fitting end is provided with the outside thread with the engagement of second negative thread of jam nut.
Further, described pipe fitting is installed on the axis by first ball set and second ball set.
Further, described pipe fitting is installed on the axis by needle bearing.
Each sprocket wheel of the utility model is non-rotatable to be arranged on the pipe fitting, and tighten solid matter row at pipe fitting, by baffle plate and catch gear to the axial location of each sprocket wheel and fastening, guarantee each sprocket wheel mounting stability, each sprocket wheel is installed on the same pipe fitting, improved the concentricity of each sprocket wheel, make bicycle chain when speed change between each sprocket wheel, switch more smooth and easy, ratchet and pipe fitting are one-body molded, improved the safety of bicycle chain wheel assembly, pipe fitting is by first, second ball set or needle bearing are installed on the axis, and this mounting means can reduce the radial dimension of pipe fitting, effectively reduce the root diameter that is set in the minimum gear on the pipe fitting, improve transmission speed ratio, lightweight for bicycle has very important significance, and the disclosed bicycle chain wheel assembly of the utility model is simple in structure, assembling is compact, the intensity height.
Description of drawings
Fig. 1 be the utility model embodiment one front view;
Fig. 2 is the cutaway view in A-A cross section among Fig. 1;
Fig. 3 is the explosive view of the utility model embodiment one;
Fig. 4 is the explosive view of the utility model embodiment two;
Fig. 5 is the explosive view of the utility model embodiment three;
Fig. 6 is the explosive view of the utility model embodiment four;
Fig. 7 is the part sectional view of a kind of mount scheme of the utility model bicycle chain wheel assembly;
Fig. 8 is the part sectional view of the another kind of mount scheme of the utility model bicycle chain wheel assembly.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Embodiment one, and as Figure 1-3, bicycle chain wheel assembly comprises pipe fitting 1, is connected in the ratchet 2 of pipe fitting 1 one ends and the catch gear that meshes with pipe fitting 1 other end, is provided with baffle plate 3 between described pipe fitting 1 and the ratchet 2.
Described pipe fitting 1 is the cylindric of hollow, and its outer surface is provided with spline 6, and pipe fitting 1 supports some sprocket wheels, comprises second sprocket wheel 9, the 3rd sprocket wheel 10.Described second sprocket wheel 9 is hollow structure, its inside face is provided with second spline that cooperates with described spline 6, comprise the second chain toothed portion 91 and divide 92 from extended second tubular junction of a sidewall of the second chain toothed portion 91, the second chain toothed portion, 91 opposite sides are provided with groove 93, second sprocket wheel 9 is installed on the pipe fitting 1, the spline 6 of second spline on second sprocket wheel 9 and pipe fitting 1 outer surface cooperates, and second sprocket wheel 9 non-rotatably is installed on the pipe fitting 1.Described the 3rd sprocket wheel 10 is hollow structure, its inside face is provided with the 3rd spline that cooperates with described spline 6, comprise the 3rd chain toothed portion 101 and divide 102 from extended the 3rd tubular junction of the 3rd chain toothed portion 101 1 sidewalls, described the 3rd tubular junction divides 102 to be placed in the groove 93 of second sprocket wheel 9, not only make second sprocket wheel 9 and the 3rd sprocket wheel 10 in the axial arrangement compactness, also help both stacked location.
Described pipe fitting 1 is provided with chain pulley seat 7, described chain pulley seat 7 is located at a side of baffle plate 3, chain pulley seat 7 peripheries are provided with some positioning grooves, the shape of described each positioning groove has nothing in common with each other, first sprocket wheel 8 is installed on the chain pulley seat 7, described first sprocket wheel 8 is hollow structure, its outside face is provided with the first chain toothed portion 81, inside face is provided with the some convex structures 82 that cooperate with positioning groove on the described chain pulley seat 7, first sprocket wheel 8 non-rotatably is installed on the chain pulley seat 7, one side of first sprocket wheel 8 is provided with step trough 83, second tubular junction of described step trough 83 ccontaining second sprocket wheels 9 divide second tubular junction of 92, the first sprocket wheels 8 by second sprocket wheel 9 divide 92 and baffle plate 3 in axial location.
Described catch gear is the connection structure 4 that comprises flange 41 and threaded joints 42, one end of pipe fitting 1 is provided with first negative thread, threaded joints 42 engagements of described first negative thread and connection structure 4, the flange 41 of described connection structure 4 compresses the sidepiece of the 3rd sprocket wheel 10, thereby makes described the 3rd sprocket wheel 10, second sprocket wheel 9 and first sprocket wheel, 8 axial restraints.First sprocket wheel 8, second sprocket wheel 9 and the 3rd sprocket wheel 10 are installed stable, and the right alignment height has improved safety and convenience that bicycle chain wheel assembly uses, is conducive to reduce the productive costs of bicycle chain wheel assembly.
Embodiment two, and as shown in Figure 4, the difference of this embodiment and embodiment one is that present embodiment does not have chain pulley seat, and first sprocket wheel 8 is one-body molded with described pipe fitting 1, and not only intensity is higher, and make more conveniently, and tooling cost is low.
Embodiment three, and as shown in Figure 5, the difference of this embodiment and embodiment one is that present embodiment does not have chain pulley seat, and first sprocket wheel 8 is one-body molded with baffle plate 3, and intensity is higher, and is easily manufactured.
Embodiment four, as shown in Figure 6, the difference of present embodiment and embodiment one is, there is not chain pulley seat in the present embodiment, first sprocket wheel, 8 inside faces are provided with first spline with the spline fitted of described pipe fitting 1, but there is not prominent shape structure, then first sprocket wheel 8 non-rotatably is installed on the pipe fitting 1 by first spline, one end of pipe fitting 1 is provided with outside thread, described catch gear is that jam nut 5, the first sprocket wheels 8, second sprocket wheel 9 and the 3rd sprocket wheel 10 that are provided with second negative thread pass through jam nut 5 axial restraint on pipe fitting 1.Because jam nut is gauge member, its production technology, method etc. are very ripe, and productive costs is low, and therefore low price uses jam nut 5 lower than the productive costs of other non-standard component as catch gear.
Fig. 7 is installed in part sectional view on the axis 11 for bicycle chain wheel assembly, pipe fitting 1 inside face is provided with protruding wall 100, described protruding wall 100 both sides are provided with first ball set 12 and second ball set 13, described first ball set 12 and second ball set 13 are located between pipe fitting 1 and the axis 11, ball in first ball set 12 and second ball set 13 circularizes arrangement respectively, axis 11 1 ends are provided with the shaft shoulder 110, the other end of axis 11 connects set screw 14, described first ball set 12 is carried out axial limiting by protruding wall 100 and set screw 14, second ball set 13 is carried out axial limiting by the shaft shoulder 110 and protruding wall 100, the effect that makes first ball set 12 that circularizes arrangement and second ball set 13 have bearing, because in traditional bearing has, the outer ring, first ball set 12 that adopts in this programme and second ball set 13 substitute traditional bearing, thereby can reduce the radial dimension of pipe fitting 1, the root diameter controollable that is set in the minimum gear on the pipe fitting is littler, can significantly improve transmission speed ratio, also have very important significance for the lightweight of bicycle.
Fig. 8 is installed in the part sectional view of another embodiment on the axis 11 for bicycle chain wheel assembly, pipe fitting 1 inboard is provided with needle bearing 15, needle bearing 15 comprises needle bearing outer ring 151 and is embedded in the needle roller 152 that is circumferential arrangement in the needle bearing outer ring 151, needle roller 152 can rotate at axis 11, thereby play the effect of traditional bearing, compare traditional bearing, needle bearing 15 can reduce the radial dimension of pipe fitting 1 owing to there is not inner ring.
Claims (12)
1. bicycle chain wheel assembly, comprise the pipe fitting (1) of hollow and the catch gear that meshes with pipe fitting (1) one end, described pipe fitting (1) is provided with spline (6), the some sprocket wheels of its upper support, described some sprocket wheels is characterized in that by the catch gear axial location, the other end of pipe fitting (1) is provided with ratchet (2), be provided with baffle plate (3) between described pipe fitting (1) and the ratchet (2), described baffle plate (3) one sides are provided with first sprocket wheel (8), and described first sprocket wheel (8) non-rotatably is connected on the pipe fitting (1).
2. bicycle chain wheel assembly according to claim 1 is characterized in that, described pipe fitting (1) and ratchet (2) are one-body molded.
3. bicycle chain wheel assembly according to claim 2, it is characterized in that, described pipe fitting (1) is provided with the chain pulley seat (7) that first sprocket wheel (8) is installed, described chain pulley seat (7) periphery is provided with some positioning grooves, and interior week of described first sprocket wheel (8) is provided with the convex structure that some and described positioning groove cooperates.
4. bicycle chain wheel assembly according to claim 3 is characterized in that, the shape of described some positioning grooves has nothing in common with each other.
5. bicycle chain wheel assembly according to claim 2 is characterized in that, described first sprocket wheel (8) is set on the pipe fitting (1), is provided with first spline that cooperates with spline (6) on the pipe fitting (1) in it week.
6. bicycle chain wheel assembly according to claim 2 is characterized in that, described first sprocket wheel (8) is one-body molded with pipe fitting (1).
7. bicycle chain wheel assembly according to claim 2 is characterized in that, described first sprocket wheel (8) is one-body molded with baffle plate (3), and is fixed on the pipe fitting (1).
8. bicycle chain wheel assembly according to claim 2 is characterized in that, is provided with second sprocket wheel of second spline and the 3rd sprocket wheel that interior week is provided with the 3rd spline week in described some sprocket wheels comprise.
9. according to each described bicycle chain wheel assembly of claim 1-8, it is characterized in that, described catch gear is the connection structure that comprises flange (41) and threaded joints (42), and described pipe fitting (1) end is provided with first negative thread with the engagement of the threaded joints (42) of described connection structure.
10. according to each described bicycle chain wheel assembly of claim 1-8, it is characterized in that, described catch gear is for being provided with the jam nut (5) of second negative thread (51), and described pipe fitting (1) end is provided with the outside thread with second negative thread (51) engagement of jam nut.
11., it is characterized in that described pipe fitting (1) is installed on the axis by first ball set and second ball set according to each described bicycle chain wheel assembly of claim 1-8.
12., it is characterized in that described pipe fitting (1) is installed on the axis by needle bearing according to each described bicycle chain wheel assembly of claim 1-8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320053082 CN203111435U (en) | 2013-01-30 | 2013-01-30 | Bicycle chain wheel assembly |
| PCT/CN2013/086323 WO2014117552A1 (en) | 2013-01-30 | 2013-10-31 | Bicycle sprocket component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320053082 CN203111435U (en) | 2013-01-30 | 2013-01-30 | Bicycle chain wheel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203111435U true CN203111435U (en) | 2013-08-07 |
Family
ID=48891805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320053082 Expired - Fee Related CN203111435U (en) | 2013-01-30 | 2013-01-30 | Bicycle chain wheel assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203111435U (en) |
| WO (1) | WO2014117552A1 (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407544A (en) * | 2013-08-21 | 2013-11-27 | 罗丙伍 | Rear bicycle chain wheel without chain falling |
| WO2014117552A1 (en) * | 2013-01-30 | 2014-08-07 | 大行科技(深圳)有限公司 | Bicycle sprocket component |
| CN105383634A (en) * | 2014-09-01 | 2016-03-09 | 株式会社岛野 | Bicycle sprocket and bicycle sprocket assembly |
| CN106275230A (en) * | 2015-06-29 | 2017-01-04 | 陈庆函 | Flywheel for vehicle |
| CN107539419A (en) * | 2016-06-28 | 2018-01-05 | 株式会社岛野 | Bicycle rear sprocket assembly |
| CN108438132A (en) * | 2017-02-16 | 2018-08-24 | 株式会社岛野 | Bicycle rear sprocket assembly |
| TWI677452B (en) * | 2018-12-13 | 2019-11-21 | 傳誠技研有限公司 | Freewheel structure for bicycles |
| CN111542471A (en) * | 2017-08-21 | 2020-08-14 | 劲锋铁马股份有限公司 | Bicycle cone pulley with clamping connection |
| CN112298445A (en) * | 2019-07-30 | 2021-02-02 | 坎培诺洛有限公司 | Sprocket carrier and subassembly of sprocket carrier and shift disk for a bicycle rear wheel |
| CN112776938A (en) * | 2019-11-06 | 2021-05-11 | 坎培诺洛有限公司 | Subassembly for a rear wheel of a bicycle, fixing method using a ring nut, and ring nut |
| US11142280B2 (en) | 2016-03-24 | 2021-10-12 | The Hive Global, Inc. | Bicycle crank with spindle attachment structure |
| TWI771860B (en) * | 2021-01-06 | 2022-07-21 | 傳誠技研有限公司 | Bicycle rear wheel drive mechanism |
| US11932351B2 (en) | 2020-07-17 | 2024-03-19 | The Hive Global, Inc. | Conical bicycle cassette sprocket structure |
| US12030586B2 (en) | 2021-07-12 | 2024-07-09 | The Hive Global, Inc. | Seal for bicycle crank with differential chainring motion |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201900009159A1 (en) * | 2019-06-17 | 2020-12-17 | Nexia S R L | ABRASIVE ELEMENT FOR THE SURFACE TREATMENT OF CLOTHING AND RELATED APPARATUS |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4047603A (en) * | 1976-02-05 | 1977-09-13 | Maeda Industries, Ltd. | Multi-speed bicycle free wheel assembly |
| US7044876B2 (en) * | 2003-01-17 | 2006-05-16 | Shimano, Inc. | Bicycle sprocket having lateral protrusions for use in a multiple sprocket assembly |
| US9193416B2 (en) * | 2009-11-30 | 2015-11-24 | Shimano Inc. | Bicycle sprocket support assembly |
| US8474587B2 (en) * | 2010-03-09 | 2013-07-02 | Joy Industrial Co., Ltd. | Bicycle hub assembly with two bearings |
| US20120322598A1 (en) * | 2011-06-17 | 2012-12-20 | Chang Hui Lin | Ratchet Structure of a freewheel and a hub |
| CN203111435U (en) * | 2013-01-30 | 2013-08-07 | 大行科技(深圳)有限公司 | Bicycle chain wheel assembly |
-
2013
- 2013-01-30 CN CN 201320053082 patent/CN203111435U/en not_active Expired - Fee Related
- 2013-10-31 WO PCT/CN2013/086323 patent/WO2014117552A1/en active Application Filing
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014117552A1 (en) * | 2013-01-30 | 2014-08-07 | 大行科技(深圳)有限公司 | Bicycle sprocket component |
| CN103407544A (en) * | 2013-08-21 | 2013-11-27 | 罗丙伍 | Rear bicycle chain wheel without chain falling |
| CN105383634A (en) * | 2014-09-01 | 2016-03-09 | 株式会社岛野 | Bicycle sprocket and bicycle sprocket assembly |
| CN105383634B (en) * | 2014-09-01 | 2018-06-29 | 株式会社岛野 | Bicycle chainwheel and bicycle chain wheel assembly |
| CN106275230A (en) * | 2015-06-29 | 2017-01-04 | 陈庆函 | Flywheel for vehicle |
| CN106275230B (en) * | 2015-06-29 | 2018-08-17 | 陈庆函 | Flywheel for vehicle |
| US11142280B2 (en) | 2016-03-24 | 2021-10-12 | The Hive Global, Inc. | Bicycle crank with spindle attachment structure |
| CN107539419A (en) * | 2016-06-28 | 2018-01-05 | 株式会社岛野 | Bicycle rear sprocket assembly |
| TWI783598B (en) * | 2016-06-28 | 2022-11-11 | 日商島野股份有限公司 | Bicycle rear sprocket assembly |
| TWI737748B (en) * | 2016-06-28 | 2021-09-01 | 日商島野股份有限公司 | Bicycle rear sprocket assembly |
| CN108438132B (en) * | 2017-02-16 | 2020-09-01 | 株式会社岛野 | Bicycle rear sprocket assembly |
| CN108438132A (en) * | 2017-02-16 | 2018-08-24 | 株式会社岛野 | Bicycle rear sprocket assembly |
| CN111542471A (en) * | 2017-08-21 | 2020-08-14 | 劲锋铁马股份有限公司 | Bicycle cone pulley with clamping connection |
| US11351815B2 (en) | 2017-08-21 | 2022-06-07 | The Hive Global, Inc. | Bicycle cassette with clamping connection |
| TWI677452B (en) * | 2018-12-13 | 2019-11-21 | 傳誠技研有限公司 | Freewheel structure for bicycles |
| CN112298445A (en) * | 2019-07-30 | 2021-02-02 | 坎培诺洛有限公司 | Sprocket carrier and subassembly of sprocket carrier and shift disk for a bicycle rear wheel |
| CN112776938A (en) * | 2019-11-06 | 2021-05-11 | 坎培诺洛有限公司 | Subassembly for a rear wheel of a bicycle, fixing method using a ring nut, and ring nut |
| US11932351B2 (en) | 2020-07-17 | 2024-03-19 | The Hive Global, Inc. | Conical bicycle cassette sprocket structure |
| TWI771860B (en) * | 2021-01-06 | 2022-07-21 | 傳誠技研有限公司 | Bicycle rear wheel drive mechanism |
| US12030586B2 (en) | 2021-07-12 | 2024-07-09 | The Hive Global, Inc. | Seal for bicycle crank with differential chainring motion |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014117552A1 (en) | 2014-08-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210423 Address after: 518100 8th floor, Yizhan business building, 8 Yizhan 4th Road, Shapu community, Songgang street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Meidahang Technology Co.,Ltd. Address before: 518125, Shenzhen, Guangdong province Baoan District manhole Street Furong Industrial Zone, Xin Miao District 1-5 Patentee before: DAHON TECHNOLOGIES, Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20220130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |