CN108891523A - Automatic guiding structure for chain falling of bicycle - Google Patents
Automatic guiding structure for chain falling of bicycle Download PDFInfo
- Publication number
- CN108891523A CN108891523A CN201810904477.0A CN201810904477A CN108891523A CN 108891523 A CN108891523 A CN 108891523A CN 201810904477 A CN201810904477 A CN 201810904477A CN 108891523 A CN108891523 A CN 108891523A
- Authority
- CN
- China
- Prior art keywords
- chain
- crank
- block
- fluted disc
- several
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B62M9/16—Tensioning or adjusting equipment for chains, belts 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
- B62M3/00—Construction of cranks operated by hand or foot
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses an automatic guide-back structure for a bicycle chain falling, which is mainly characterized in that a stop block is arranged at the other end of a crank, which is different from a pedal, and a guide block is arranged on the inner side surface of the center of the crank, the stop block can form a groove at the other end of the crank, and the guide block is provided with a guide cambered surface.
Description
Technical field
The present invention relates to bicycle arts, if in particular to it is a kind of continue to step on when bicycle falls chain pedal can from
Dynamic cochain, and the get off troublesome bicycle of manual cochain of the danger slowed down suddenly when falling chain and avoiding can be reduced and fall chain and lead automatically
Return structure.
Background technique
When general current bicycle falls the situation of chain when advancing, it can generate because losing driving force and subtract suddenly
Speed is until the situation stopped, or even it some times happens that the situation that chain blocks and the situation for causing bicycle to stop suddenly.And it falls
Slow down suddenly caused by chain or the situation that stops suddenly, is easy to make back car to dodge danger too late and that overtaking collision occurs.Especially
It is, bicycle is usually that need to get off to carry out the movement of manual cochain to exclude to fall the situation of chain when falling chain under normal circumstances,
It can be further continued for riding, and manual cochain of getting off is not only time-consuming and laborious, and is even more that can make both hands dirty, is unusual trouble not side
It just, is especially even more that can waste time and cause serious backwardness, and then influence games results in match.
In view of this, the present inventor is then directed to above-mentioned problem, and deeply conceive, and actively research improvement has a fling at and opens
Hair designs the present invention.
Summary of the invention
The main object of the present invention be to solve existing bicycle when falling chain can not immediately cochain and cause to subtract suddenly
Speed stops causing the danger of back car overtaking collision suddenly, and need to get off manual cochain and bring it is time-consuming and laborious, can make dirty it is double
The problem very troublesome such as hand.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of bicycle falls chain and leads back to structure automatically, including：
The lateral surface of one crank, described crank one end is combined with a pedal；
One fluted disc, the fluted disc in conjunction on the medial surface for being fixed on the crank other end and can by the crank drive revolve
Turn, a chain is arranged on the fluted disc；
One block, the block are set to the other end of the crank, make to form one between the block and the fluted disc
Groove on the crank other end circumferential surface, the groove are available in when falling chain and keep off the chain in the another of the crank
On end；And
One guiding block, the guiding block are set on the medial surface of the crank centre, the lower part of the guiding block and institute
The gap for maintaining the side chain piece for the chain to pass through between fluted disc is stated, top is then higher than the outer peripheral surface and tool of the fluted disc
There is a guiding cambered surface, when the guiding block is brought up with the crank to an appropriate height, the guiding block should
Chain is lifted to the upside of the fluted disc, is slid the chain downwards along the guiding cambered surface and is arranged in the tooth
The state of auomatic fixing chain is formed on the sprocket of disk.
In a preferred embodiment of the invention, the fluted disc is to be incorporated into being fixed on institute using several fluted disc bolts
It states on crank.
In a preferred embodiment of the invention, the circumferential surface of the block is formed with that an ecto-entad is gradually low oblique to lead
Inclined-plane can further promote gear chain effect.
In a preferred embodiment of the invention, the block is shaped on the crank.
In a preferred embodiment of the invention, the guiding block is shaped on the crank.
In a preferred embodiment of the invention, the block is to be fixed in the song using several block bolts
On handle.
In a preferred embodiment of the invention, the other end of the crank extends several fixed jaws for the song
Handle is in conjunction with the fluted disc, the C-shaped ring plate shape of block, and is fixed in using several block bolts described several
On fixed jaw, the periphery of the block is set to protrude out the end face of several fixed jaws, and then make the block and the fluted disc
Between formed be located at several fixed jaw end faces on several grooves, be available in when falling chain by the chain keep off in the crank
The other end several fixed jaws on.
In a preferred embodiment of the invention, the guiding block is to be fixed in institute using several guiding block bolts
It states on crank.
It in a preferred embodiment of the invention, is to be arranged at intervals with several screw holes on the crank, several spiral shells
Hole sets for several selectable spiral shells of guiding block bolt so that the guiding block can cooperate the fluted disc of different dimensions and
It is incorporated into the corresponding appropriate location of crank.
In a preferred embodiment of the invention, the cambered surface of the guiding cambered surface is to be gradually reduced from the front to the back.
A kind of bicycle falls chain and leads back to structure automatically, including：
One crank, the lateral surface of described crank one end are combined with a pedal, and the other end extends several fixed jaws；
One fluted disc, the fluted disc in conjunction be fixed on several fixed jaws and can by the crank drive rotate, it is described
A chain is arranged on fluted disc；
Several blocks, several blocks are integrally convexly equipped in the end of several fixed jaws, and several blocks
End protrudes out the end face of several fixed jaws, makes to be formed between the block and the fluted disc positioned at several fixations
Several grooves on pawl end face are available in the chain gear when falling chain on several fixed jaws of the crank other end；With
And
One guiding block, the guiding block are set on the medial surface of the crank centre, the lower part of the guiding block and institute
The gap for maintaining the side chain piece for the chain to pass through between fluted disc is stated, top is then higher than the outer peripheral surface and tool of the fluted disc
There is a guiding cambered surface, when the guiding block is brought up with the crank to an appropriate height, the guiding block is by institute
Chain lifting is stated to the upside of the fluted disc, the chain is then made to slide downwards and be arranged in described along the guiding cambered surface
The state of auomatic fixing chain is formed on the sprocket of fluted disc.
Due to using technical solution as above, it is to send out that bicycle provided by the present invention, which falls chain and leads back to structure automatically,
Raw to block chain by block when falling the situation of chain, then proceeding to step on pedal lift guiding block upwards chain to arrive tooth
The top of disk slides chain and auomatic fixing chain downwards along guiding cambered surface, slows down suddenly when so can avoid falling chain
Or the danger such as overtaking collision caused by stopping, and be even more that can greatly improve the convenience ridden, especially without manual cochain of getting off
Being is even more that can therefore save a large amount of cochain time, and can promote games results in match.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the perspective exploded view of the embodiment of the present invention 1.
Fig. 2 is the Three-dimensional combination diagram of the embodiment of the present invention 1.
Fig. 3 is the Three-dimensional combination diagram of 1 rear side of the embodiment of the present invention.
Fig. 4 is the forward sight action schematic diagram when embodiment of the present invention 1 falls chain.
Fig. 5 is the schematic top plan view of Fig. 4.
Fig. 6 is the forward sight action schematic diagram of 1 auomatic fixing chain of the embodiment of the present invention.
Fig. 7 is the right side view of Fig. 6.
Fig. 8 is the perspective exploded view of the embodiment of the present invention 2.
Fig. 9 is the perspective exploded view of the embodiment of the present invention 3.
Figure 10 is the perspective exploded view of the embodiment of the present invention 4.
Figure 11 is the Three-dimensional combination diagram of the embodiment of the present invention 5.
Figure 12 is the Three-dimensional combination diagram of the embodiment of the present invention 5.
Description of symbols：10：Crank, 11：Pedal, 12：Screw hole, 13：Fixed jaw, 20：Fluted disc, 21：Fluted disc bolt,
22：Chain, 30：Block, 31：Block bolt, 32：Groove, 33：Guiding incline, 40：Guiding block, 41：Guiding block bolt, 42：Guiding
Cambered surface.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below into
One step illustrates the present invention.
Embodiment 1
Referring to Figure 1 to shown in 7, the first embodiment that chain leads back to structure automatically is fallen for bicycle of the present invention, in Fig. 1 to 5
In be to show that the bicycle of the present embodiment falls chain and leads back to structure automatically, including a crank 10, a fluted disc 20, a block 30 and one are led
Draw block 40.Wherein：
The lateral surface of one end of crank 10 is combined with a pedal 11.
Fluted disc 20 is incorporated on the medial surface for being fixed on 10 other end of crank using several fluted disc bolts 21, makes fluted disc 20
It can be driven and rotate by crank 10, on fluted disc 20 and being arranged with a chain 22.
Its screw lock is fixed on the other end of crank 10 using several block bolts 31 by block 30, makes block 30 and fluted disc 20
Between formed one be located at 10 other end of crank circumferential surface on groove 32, groove 32 be available in when falling chain by chain 22 keep off in crank
On 10 other end, to prevent chain 22 from dropping to the lateral surface of crank 10.The circumferential surface of block 30 is formed with an ecto-entad gradually
Low oblique guiding incline 33 can further promote the effect for stopping the chain 22.In the present invention, groove 32 can also be directly arranged in block
On 30 circumferential surface, this is the simple change of above structure, this is no longer separately repeated here.
Its screw lock is fixed on the medial surface of 10 centre of crank by guiding block 40 using several guiding block bolts 41, guiding
The gap for maintaining the side chain piece for chain 22 to pass through between the lower part and fluted disc 20 of block 40, top are then higher than the outer of fluted disc 20
Circumferential surface, and there is a guiding cambered surface 42, the cambered surface of guiding cambered surface 42 is to be gradually reduced from the front to the back, when guiding block 40 is by crank 10
When bringing up to a height, then chain 22 can be slid downwards along guiding cambered surface 42 by the upside of lifting to fluted disc 20 and be blocked
The state of cochain is formed on the sprocket of fluted disc 20.
As shown in Fig. 4,5, when bicycle falls chain, chain 22 can be blocked between block 30 and fluted disc 20 and be formed by
Among groove 32.
As shown in Fig. 6,7, when the pedal 11 for continuing to step on other side crank 10 when falling chain makes 10 up time of crank
When needle rotates, then the guiding block 40 for being incorporated into the inside of crank 10 will be shifted up with the rotation of crank 10, and then by chain
Lifting makes chain 22 slide and be arranged in the sprocket of fluted disc 20 downwards along guiding cambered surface 42 to item 22 to the top of fluted disc 20 upwards
State that is upper and forming auomatic fixing chain.
Bicycle provided by the present invention falls chain and leads back to structure automatically, be in the situation for falling chain, can be first with gear
Block 30 blocks chain 22, then using continue to step on pedal 11 make guiding block 40 by chain 22 upwards lifting to the upper of fluted disc 20
Side slides chain 22 and auomatic fixing chain downwards along guiding cambered surface 42, when so can avoid falling chain deceleration suddenly or
The danger such as the overtaking collision caused by stopping, and be even more to be not necessarily to manual cochain of getting off, and the convenience ridden can be greatly improved, especially
Being is even more that can therefore save a large amount of cochain time, and can promote games results in match.
Embodiment 2
It is shown in Figure 8, the second embodiment that chain leads back to structure automatically, structure and implementation are fallen for bicycle of the invention
Example 1 is roughly the same, and it is to be arranged at intervals with several screw holes 12 on the crank 10 of the present embodiment that difference, which is only that, for several guiding blocks
The selectable spiral shell of bolt 41 is set, so that guiding block 41 can cooperate the fluted disc 20 of different dimensions and to be incorporated into crank 10 corresponding
Appropriate position.
Embodiment 3
It is shown in Figure 9, the 3rd embodiment that chain leads back to structure automatically, structure and implementation are fallen for bicycle of the invention
Example 1 is roughly the same, and difference is only that the block 30 of the present embodiment and guiding block 40 is shaped on crank 10.Certainly at this
In embodiment, block 30 and guiding block 40 also can only any one of them be shaped on crank 10, this is not gone to live in the household of one's in-laws on getting married still further
It states.
Embodiment 4
Referring to shown in Figure 10,11, fall the fourth embodiment that chain leads back to structure automatically for bicycle of the invention, structure with
Embodiment 1 is roughly the same, difference be only that the other end of the crank 10 of the present embodiment extend out several fixed jaws 13 for
Fluted disc 20 combines, and block 30 is C-shaped ring plate shape, and utilizes several block bolts 31 by its screw lock in several fixed jaws 13
On, and so that the periphery of block 30 is protruded out the end face of several fixed jaws 13, and then make to be formed between block 30 and fluted disc 20 and be located at
Several grooves 32 on several 13 end faces of fixed jaw, if be available in when falling chain by chain 22 gear crank 10 the other end it is solid
Determine on pawl 13.
Embodiment 5
It is shown in Figure 12, fall the 5th embodiment that chain leads back to structure automatically for bicycle of the invention, structure with
Embodiment 1 is roughly the same, difference be only that the other end of the crank 10 of the present embodiment extend out several fixed jaws 13 for
Fluted disc 20 combines, and the end of several fixed jaws 13 is integrally convexly equipped with several blocks 30 respectively, and the end of several blocks 30 is to protrude out
The end face of several fixed jaws 13 out makes to form several grooves being located on several 13 end faces of fixed jaw between block 30 and fluted disc 20
32, it is available in when falling chain and chain 22 is kept off into several fixed jaws 13 in the other end of crank 10.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (11)
1. a kind of bicycle falls chain and leads back to structure automatically, which is characterized in that including：
The lateral surface of one crank, described crank one end is combined with a pedal；
One fluted disc, the fluted disc in conjunction on the medial surface for being fixed on the crank other end and can by the crank drive rotate,
A chain is arranged on the fluted disc；
One block, the block are set to the other end of the crank, make to be formed one between the block and the fluted disc positioned at institute
The groove on crank other end circumferential surface is stated, the groove is available in when falling chain the chain keeping off the other end in the crank
On；And
One guiding block, the guiding block are set on the medial surface of the crank centre, the lower part of the guiding block and the tooth
The gap for maintaining the side chain piece for the chain to pass through between disk, top are then higher than the outer peripheral surface of the fluted disc and have one
Cambered surface is guided, when the guiding block is brought up with the crank to an appropriate height, the guiding block is by the chain
The upside of the fluted disc is lifted, slide the chain downwards along the guiding cambered surface and is arranged in the fluted disc
The state of auomatic fixing chain is formed on sprocket.
2. a kind of bicycle as described in claim 1 falls chain and leads back to structure automatically, which is characterized in that if the fluted disc is to utilize
Dry fluted disc bolt is incorporated into being fixed on the crank.
3. a kind of bicycle as described in claim 1 falls chain and leads back to structure automatically, which is characterized in that the circumferential surface shape of the block
Cheng Youyi ecto-entad gradually low oblique guiding incline can further promote gear chain effect.
4. a kind of bicycle as described in claim 1 falls chain and leads back to structure automatically, which is characterized in that the block is integrally formed
In on the crank.
5. a kind of bicycle as described in claim 1 or 4 falls chain and leads back to structure automatically, which is characterized in that the guiding block one
It is body formed on the crank.
6. a kind of bicycle as described in claim 1 falls chain and leads back to structure automatically, which is characterized in that if the block is to utilize
Dry block bolt is fixed on the crank.
7. a kind of bicycle as claimed in claim 6 falls chain and leads back to structure automatically, which is characterized in that the other end of the crank
Extend several fixed jaws for the crank in conjunction with the fluted disc, the C-shaped ring plate shape of block, and utilize described several
Block bolt is fixed on several fixed jaws, and the periphery of the block is made to protrude out the end of several fixed jaws
Face, and then make to form several grooves being located on several fixed jaw end faces between the block and the fluted disc, it is available in
When falling chain by chain gear on several fixed jaws of the other end of the crank.
8. a kind of bicycle as described in claim 1 falls chain and leads back to structure automatically, which is characterized in that the guiding block is to utilize
Several guiding block bolts are fixed on the crank.
9. a kind of bicycle as claimed in claim 8 falls chain and leads back to structure automatically, which is characterized in that be interval on the crank
Several screw holes are provided with, several screw holes set for several selectable spiral shells of guiding block bolt, so that the guiding block
The fluted disc of different dimensions can be cooperated and be incorporated into the corresponding appropriate location of crank.
10. a kind of bicycle as described in claim 1 falls chain and leads back to structure automatically, which is characterized in that the guiding cambered surface
Cambered surface is to be gradually reduced from the front to the back.
11. a kind of bicycle falls chain and leads back to structure automatically, which is characterized in that including：
One crank, the lateral surface of described crank one end are combined with a pedal, and the other end extends several fixed jaws；
One fluted disc, the fluted disc in conjunction be fixed on several fixed jaws and can by the crank drive rotate, the fluted disc
On be arranged with a chain；
Several blocks, several blocks are integrally convexly equipped in the end of several fixed jaws, and the end of several blocks
The end face for protruding out several fixed jaws makes to be formed between the block and the fluted disc positioned at several fixed jaw ends
Several grooves on face are available in the chain gear when falling chain on several fixed jaws of the crank other end；And
One guiding block, the guiding block are set on the medial surface of the crank centre, the lower part of the guiding block and the tooth
The gap for maintaining the side chain piece for the chain to pass through between disk, top are then higher than the outer peripheral surface of the fluted disc and have one
Cambered surface is guided, when the guiding block is brought up with the crank to an appropriate height, the guiding block is by the chain
Item is lifted to the upside of the fluted disc, is slid the chain downwards along the guiding cambered surface and is arranged in the fluted disc
Sprocket on and form the state of auomatic fixing chain.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107114131A TWI641527B (en) | 2018-04-26 | 2018-04-26 | Bicycle drop chain automatic returning structure |
| TW107114131 | 2018-04-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108891523A true CN108891523A (en) | 2018-11-27 |
| CN108891523B CN108891523B (en) | 2024-04-16 |
Family
ID=64353479
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810904477.0A Active CN108891523B (en) | 2018-04-26 | 2018-08-09 | Automatic chain-falling guiding structure for bicycle |
| CN201821280859.2U Withdrawn - After Issue CN208731177U (en) | 2018-04-26 | 2018-08-09 | Automatic guiding structure for chain falling of bicycle |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821280859.2U Withdrawn - After Issue CN208731177U (en) | 2018-04-26 | 2018-08-09 | Automatic guiding structure for chain falling of bicycle |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN108891523B (en) |
| TW (1) | TWI641527B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI641527B (en) * | 2018-04-26 | 2018-11-21 | 大陸商浩盟車料（上海）有限公司 | Bicycle drop chain automatic returning structure |
| CN113978601B (en) * | 2021-11-15 | 2023-09-26 | 昆山德钜源运动科技有限公司 | Automatic chain-feeding mechanism for bicycle |
Citations (12)
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|---|---|---|---|---|
| US4832667A (en) * | 1987-08-06 | 1989-05-23 | Wren Nicholas D | Front chain wheel chain guide |
| US5002520A (en) * | 1989-12-14 | 1991-03-26 | Greenlaw John W | Bicycle drive chain guide |
| JPH09315373A (en) * | 1996-05-28 | 1997-12-09 | Tadashi Eguchi | Automatic speed change gear for bicycle |
| JP2002264881A (en) * | 2001-03-05 | 2002-09-18 | Minoru Tomita | Power-assisted bicycle kit |
| JP2008114626A (en) * | 2006-11-01 | 2008-05-22 | Takeshi Gouto | Falling chain mounting implement |
| CN101857064A (en) * | 2009-04-08 | 2010-10-13 | 捷安特电动车（昆山）有限公司 | Chain anti-locking device for electric motor vehicle and bicycle |
| CN202130551U (en) * | 2011-05-24 | 2012-02-01 | 菲利浦·方皓德 | Adjustable bicycle chain-drop prevention device |
| US20120172164A1 (en) * | 2011-01-04 | 2012-07-05 | Canyon Bicycles Gmbh | Bicycle chain catcher device |
| CN202400247U (en) * | 2011-11-17 | 2012-08-29 | 中国矿业大学 | Quick chain assembly chain wheel mechanism for bicycle |
| KR20140013974A (en) * | 2012-07-24 | 2014-02-05 | 박민철 | Automatic change gear structure of a bicycle |
| CN205311822U (en) * | 2015-12-23 | 2016-06-15 | 浩盟车料（上海）有限公司 | Novel accurate variable speed chain wheel of cochain nail |
| CN208731177U (en) * | 2018-04-26 | 2019-04-12 | 浩盟车料（上海）有限公司 | Automatic guiding structure for chain falling of bicycle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM255846U (en) * | 2004-04-28 | 2005-01-21 | Yicheng Sports Co Ltd | Structure chain derailing prevention structure for non-derailleured bicycle |
| CN2823104Y (en) * | 2005-07-27 | 2006-10-04 | 何贺 | Chain wheel of bicycle with function of preventing chain from falling off |
| US20080032835A1 (en) * | 2006-08-04 | 2008-02-07 | Reynolds Mark A | Multiple Sprocket Chain Guide For Front Bicycle Derailleur |
| TWM393472U (en) * | 2010-06-22 | 2010-12-01 | Chang-Hui Lin | Gear-falloff prevention structure |
-
2018
- 2018-04-26 TW TW107114131A patent/TWI641527B/en active
- 2018-08-09 CN CN201810904477.0A patent/CN108891523B/en active Active
- 2018-08-09 CN CN201821280859.2U patent/CN208731177U/en not_active Withdrawn - After Issue
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4832667A (en) * | 1987-08-06 | 1989-05-23 | Wren Nicholas D | Front chain wheel chain guide |
| US5002520A (en) * | 1989-12-14 | 1991-03-26 | Greenlaw John W | Bicycle drive chain guide |
| JPH09315373A (en) * | 1996-05-28 | 1997-12-09 | Tadashi Eguchi | Automatic speed change gear for bicycle |
| JP2002264881A (en) * | 2001-03-05 | 2002-09-18 | Minoru Tomita | Power-assisted bicycle kit |
| JP2008114626A (en) * | 2006-11-01 | 2008-05-22 | Takeshi Gouto | Falling chain mounting implement |
| CN101857064A (en) * | 2009-04-08 | 2010-10-13 | 捷安特电动车（昆山）有限公司 | Chain anti-locking device for electric motor vehicle and bicycle |
| US20120172164A1 (en) * | 2011-01-04 | 2012-07-05 | Canyon Bicycles Gmbh | Bicycle chain catcher device |
| CN202130551U (en) * | 2011-05-24 | 2012-02-01 | 菲利浦·方皓德 | Adjustable bicycle chain-drop prevention device |
| CN202400247U (en) * | 2011-11-17 | 2012-08-29 | 中国矿业大学 | Quick chain assembly chain wheel mechanism for bicycle |
| KR20140013974A (en) * | 2012-07-24 | 2014-02-05 | 박민철 | Automatic change gear structure of a bicycle |
| CN205311822U (en) * | 2015-12-23 | 2016-06-15 | 浩盟车料（上海）有限公司 | Novel accurate variable speed chain wheel of cochain nail |
| CN208731177U (en) * | 2018-04-26 | 2019-04-12 | 浩盟车料（上海）有限公司 | Automatic guiding structure for chain falling of bicycle |
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| Title |
|---|
| 张建中: "机械设计基础", vol. 1, 高等教育出版社, pages: 46 - 47 * |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI641527B (en) | 2018-11-21 |
| TW201945241A (en) | 2019-12-01 |
| CN208731177U (en) | 2019-04-12 |
| CN108891523B (en) | 2024-04-16 |
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