CN104176194A - Derailleur - Google Patents

Derailleur Download PDF

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Publication number
CN104176194A
CN104176194A CN201410220274.1A CN201410220274A CN104176194A CN 104176194 A CN104176194 A CN 104176194A CN 201410220274 A CN201410220274 A CN 201410220274A CN 104176194 A CN104176194 A CN 104176194A
Authority
CN
China
Prior art keywords
link
movable link
chain
link component
chain device
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
Application number
CN201410220274.1A
Other languages
Chinese (zh)
Other versions
CN104176194B (en
Inventor
江村笃裕
井上贤吉
杉本具视
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shimano Inc
Original Assignee
Shimano Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US13/900,787 external-priority patent/US9216794B2/en
Priority claimed from US14/042,573 external-priority patent/US9156524B2/en
Application filed by Shimano Inc filed Critical Shimano Inc
Publication of CN104176194A publication Critical patent/CN104176194A/en
Application granted granted Critical
Publication of CN104176194B publication Critical patent/CN104176194B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10Transmissions 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
    • B62M9/12Transmissions 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
    • B62M9/131Front derailleurs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10Transmissions 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
    • B62M9/12Transmissions 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
    • B62M9/131Front derailleurs
    • B62M9/134Mechanisms for shifting laterally

Abstract

A derailleur includes a base member, a movable member, a connecting member and a biasing mechanism. The movable member is adapted to the base member between a retracted position and an extended position to be relatively movable. The connecting element is formed to couple the movable member and the base member movable. The biasing mechanism is configured to bias the link member such that the movable element is disposed in either the retracted position or the extended position. The biasing mechanism comprises a biasing member and an intermediate member. The biasing member has a first end portion; The intermediate member is provided separately from the movable element and the connecting element, so that it transfers biasing force of the biasing member from the first end through the intermediate member to either the movable member or the connecting element.

Description

Dial chain device
Technical field
The present invention relates to a kind of chain device of dialling.
Background technology
Becoming by bike the entertainment form and the transportation mode that become more and more popular.And, become by bike for amateur and both popular competitive sports of professional athlete.No matter bicycle is for amusement, transport or sports, and bicycle industry is improving the various parts of bicycle always.Parts that have been redesigned are recently to dial chain device.Dialling chain device makes cycle chain laterally be shifted to change the gear of bicycle.Front chain shifter and rear derailleur are called dials chain device.
Summary of the invention
According to a first aspect of the invention, a kind of chain device of dialling, comprises base member, movable link, link component and bias mechanism.Base member is configured to be attached to cycle frame.Movable link is configured between punctured position and extended position, to move with respect to base member, farther apart from base member at extended position movable link compared with punctured position.Link component is configured to movable link can be connected to movably base member.Bias mechanism is configured to bias voltage link component, so that movable link is configured in a place in punctured position and extended position.Bias mechanism comprises biasing member and intermediate member.Biasing member has first end.Intermediate member and movable link and link component arrange discretely, so that the biasing force of biasing member is delivered to movable link and link component from first end by intermediate member.
According to a second aspect of the invention, be configured to according to the chain device of dialling of first aspect, intermediate member is configured to the biasing force of biasing member to be delivered to link component from first end.
According to a third aspect of the invention we, be configured to according to the chain device of dialling of first aspect, bias mechanism is configured to bias voltage link component, so that movable link is configured in collapsed position.
According to a forth aspect of the invention, be configured to according to the chain device of dialling of first aspect, intermediate member comprises Part I and Part II.Part I is configured to engage with the first end of biasing member, and Part II is configured to engage with in link component and movable link one, and is configured to dismantle and is attached to Part I.
According to a fifth aspect of the invention, be configured to according to the chain device of dialling of fourth aspect, biasing member comprises torsion spring, and this torsion spring comprises cylindrical part, and described first end extends from this cylindrical part.Part I comprises inside portion and outside portion.Inside portion is configured to be arranged on cylindrical part inner side.Outside portion is configured to be arranged on cylindrical part outside.Part II is configured to dismantle and is attached to outside portion.
According to a sixth aspect of the invention, be configured to according to the chain device of dialling of the 5th aspect, movable link is pivotally connected to link component via S. A..Cylindrical part and the intermediate member of biasing member are arranged on S. A..
According to a seventh aspect of the invention, be configured to according to the chain device of dialling of the 6th aspect, outside portion is configured to engage with the first end of biasing member.
According to an eighth aspect of the invention, be configured to according to the chain device of dialling of the 7th aspect, inside portion has the first external diameter.Outside portion has the second external diameter that is greater than the first external diameter.
According to a ninth aspect of the invention, be configured to according to the chain device of dialling of the 6th aspect, outside portion is arranged between biasing member and link component along the axial direction of S. A..
According to the tenth aspect of the invention, be configured to according to the chain device of dialling of the 5th aspect, outside portion comprises the tool engagement portion treating in the time that chain device is dialled in assembling with tool engagement.
According to an eleventh aspect of the invention, be configured to according to the chain device of dialling of the tenth aspect, tool engagement portion comprises at least one tool engagement opening for the treatment of in the time that chain device is dialled in assembling with tool engagement.
According to a twelfth aspect of the invention, be configured to according to the chain device of dialling of the tenth aspect, tool engagement portion comprises multiple tool engagement openings for the treatment of in the time that chain device is dialled in assembling with tool engagement.
According to a thirteenth aspect of the invention, be configured to according to the chain device of dialling of the tenth aspect, outside portion also comprises pin coupling opening.Part II comprises and is configured to the pin that engages with pin coupling opening.
According to a fourteenth aspect of the invention, be configured to according to the chain device of dialling of fourth aspect, intermediate member is configured to the biasing force of biasing member to be delivered to link component from first end.Link component comprises and is configured to the depressed part that engages with Part II.
According to a fifteenth aspect of the invention, be configured to according to the chain device of dialling of first aspect, link component comprises the close end that is pivotally connected to base member and the distal portion that is pivotally connected to movable link.Link component is configured to, and in the time that movable link moves between punctured position and extended position, distal portion moves along the fore-and-aft direction of cycle frame.
According to a sixteenth aspect of the invention, also comprise additional link component according to the chain device of dialling of first aspect, this additional link component is configured to movable link to be connected to base member, so that movable link can move with respect to base member between punctured position and extended position.Base member, movable link, link component and additional link component limit four-bar linkage.
According to a seventeenth aspect of the invention, be configured to according to the chain device of dialling of first aspect, intermediate member is arranged on the first side of movable link.Be attached at base member under the state of cycle frame, the first side is relative with the second side of movable link, and than the more close cycle frame of the second side.
According to an eighteenth aspect of the invention, be configured to according to the chain device of dialling of first aspect, biasing member also has the second end.Intermediate member is configured to the biasing force of biasing member to be delivered to link component from first end by intermediate member.Movable link has guide surface and layout portion.Guide surface is configured to contact and guiding cycle chain.Arrange that cage structure is for arranging the second end and being arranged on guide surface.
Brief description of the drawings
By reference to detailed description when considered in conjunction with the accompanying drawings below, because the present invention and many advantages of following thereof become better understood, therefore will easily obtain to the present invention and the much more complete understanding of following advantage thereof, wherein:
Fig. 1 is the lateral plan being equipped with according to the bicycle of dialling chain device of an embodiment;
Fig. 2 is the amplification external side view of the part of bicycle in the region of dialling chain device;
Fig. 3 is the rear perspective view of dialling chain device shown in Fig. 2;
Fig. 4 is the cutaway view of dialling chain device of cutting open along the line IV-IV of Fig. 3;
Fig. 5 is the cutaway view of dialling chain device of cutting open along the line V-V of Fig. 3;
Fig. 6 is the rear perspective view of dialling chain device shown in Fig. 2;
Fig. 7 is the exploded perspective view of the bias mechanism of dialling chain device shown in Fig. 6;
Fig. 8 is the block diagram of the Part I of the bias mechanism shown in Fig. 7;
Fig. 9 is the block diagram of the Part I of the bias mechanism shown in Fig. 7;
Figure 10 is the cutaway view of dialling chain device of cutting open along the line X-X of Fig. 6;
Figure 11 is the partial perspective view of dialling chain device shown in Fig. 6;
Figure 12 is the partial perspective view of dialling chain device shown in Fig. 6;
Figure 13 is the schematic diagram that the method for the bias mechanism of dialling chain device shown in assembly drawing 6 is shown;
Figure 14 is the schematic diagram that the method for the bias mechanism of dialling chain device shown in assembly drawing 6 is shown;
Figure 15 is the schematic diagram that the method for the bias mechanism of dialling chain device shown in assembly drawing 6 is shown; And
Figure 16 is the schematic diagram that the method for the bias mechanism of dialling chain device shown in assembly drawing 6 is shown.
Detailed description of the invention
Describe embodiment referring now to accompanying drawing, wherein in all each accompanying drawings, identical reference marker represents corresponding or identical element.
First with reference to figure 1, show bicycle 10, it is equipped with group chain device 12 according to an embodiment.As described below, dial chain device 12 for being configured to be attached in mode detachable and that can reinstall the front chain shifter of cycle frame 14.Bicycle 10 comprises front fork 16, trailing wheel 18, front-wheel 20, handlebar 22 and vehicle seat 24.Handlebar 22 is attached to steering tube or the Steering gear of front fork 16.In the illustrated embodiment, change-speed box 26 is attached to handlebar 22, dials chain device 12 for operation, so that chain 28 laterally displacement between three front sprocket wheels or chain link 30.Change-speed box 26 is operatively connected to and is dialled chain device 12 by operation drag-line 32.The technical personnel in bicycle field will be clear from the present invention, can substitute for example change-speed box 26 of power operation equipment, and use any change-speed box that adopts electric operation apparatus operation to dial chain device 12.Here, change-speed box 26 is illustrated in the right side of handlebar 22.But as needed and/or desired, change-speed box 26 can be arranged on left side or the right side of handlebar 22, dial chain device 12 for operation.
In this embodiment, directional terminology 'fornt', 'back', " forward ", " backward ", " left side ", " right side ", " laterally ", " upwards ", " downwards " and any other similar directional terminology below for example refers to those directions that the rider based on being sitting in the face of handlebar 22 ground on the vehicle seat 24 of bicycle 10 determines.Thereby these terms comprise and dial when chain device 12 and should explain with respect to the bicycle of using with the position of uprightly riding on horizontal surface 10 as shown in Figure 1 when being used for describing.
Bicycle 10 can be the bicycle of any type and can have various structures.Because bicycle and various parts thereof are known in bicycle field, so specification sheets below does not comprise detailed description and illustration about bicycle 10 and various parts thereof, except dial chain device 12 and to dial the relevant parts or part of chain device 12.In other words, parts or the part relevant to dialling chain device 12 of dialling chain device 12 and bicycle 10 only described and/or illustrated to this specification sheets.
With reference to figure 2, group chain device 12 is arranged on the seat pipe 34 of cycle frame 14.But the technical personnel in bicycle field will be clear from the present invention, if need and/or expect, dial chain device 12 and can be attached to by axis or other mounting structures the support tube 36 of cycle frame 14.In addition,, if need and/or expect, the structure of dialling chain device 12 can be applied to rear derailleur.
As shown in Figure 2, bicycle 10 has crank axis A1 and the trailing wheel axis A2 parallel with crank axis A1.Crank axis A1 is limited by the support tube 36 of cycle frame 14.In other words, crank axis A1 is corresponding to the central longitudinal axis of support tube 36 and therefore also corresponding to the centre of gration of chain link 30.As shown in Figure 2, trailing wheel axis A2 is limited by the center shaft 38 of trailing wheel 18.
As shown in Figure 2, dial chain device 12 and comprise base member 40, movable link 42, link component 44, additional link component 46 and bias mechanism 48.Base member 40 is made up of for example metallic material of rigid material or fibre reinforced materials.Base member 40 is configured to be attached to cycle frame 14.In the illustrated embodiment, base member 40 is attached to the seat pipe 34 of cycle frame 14, so that can be along regulating direction D1 to regulate the position of base member 40 with respect to seat pipe 34.More specifically, base member 40 comprises the retained part 41 that is configured to be attached to seat pipe 34.Regulate direction D1 to limit along the central axis A 3 of seat pipe 34.The technical personnel in bicycle field will be clear from the present invention, and as needed and/or desired, base member 40 can have other structures.For example, if need and/or expect, base member 40 can be attached to support tube 36 by axis.
As shown in Figure 2, operation drag-line 32 comprises outer hull 32a and the inside drag-line 32b through outer hull 32a.Therefore, in the illustrated embodiment, operation drag-line 32 is conventional wire digging lines.For example, inner drag-line 32b is configured in outer hull 32a slidably.Inner drag-line 32b is attached to link component 44.
As shown in Figure 3, movable link 42 is configured between punctured position P1 and extended position P2, to move with respect to base member 40, compared with punctured position P1 at extended position P2 place movable link 42 further from base member 40.Movable link 42 is the fairleaders that are configured to guide chain 28.Movable link 42(the first member 50 and/or second component 52) made by for example metallic material of rigid material or resin material.For example, movable link 42(the first member 50 and/or second component 52) made by aluminium, aluminum alloy, corrosion-resistant steel or synthetic resin material.
Movable link 42 comprises the first member 50 and second component 52.The first member 50 and second component 52 are made up of metallic material for example aluminium, aluminum alloy, iron or corrosion-resistant steel.The technical personnel in bicycle field will be clear from the present invention, and the first member 50 can be made up of the material different from the material of second component 52.
The first member 50 is configured to contact chain 28 and chain 28 is laterally shifted, so that chain 28 moves away from cycle frame 14 along outward direction D21 between chain link 30.Outward direction D21 is a direction of the horizontal direction D2 of cycle frame 14.The first member 50 comprises the first guide portion 50a and the first connecting portion 50b.The first connecting portion 50b is outstanding from the first guide portion 50a.The first connecting portion 50b is from the bend at end of the first guide portion 50a.But the technical personnel in bicycle field will be clear from the present invention, the first connecting portion 50b need to be not outstanding from the first guide portion 50a.The first connecting portion 50b need to be from the first guide portion 50a bending.As needed and/or desired, the first connecting portion 50b can have other structures.For example, if need and/or expect, the first connecting portion 50b can be the member separating with the first guide portion 50a, and can utilize that other suitable attachment structures for example weld, riveted joint or bolt connect and be connected with the first guide portion 50a.
Second component 52 is configured to contact chain 28 and chain 28 is laterally shifted, so that chain 28 moves towards cycle frame 14 along inward direction D22 between chain link 30.Inward direction D22 is another direction of horizontal direction D2 and contrary with outward direction D21.Second component 52 comprises the second connecting portion 52b of the second guide portion 52a and overlapping the first connecting portion 50b.The second connecting portion 52b is outstanding towards the first guide portion 50a from the second guide portion 52a.The second connecting portion 52b is from the bend at end of the second guide portion 52a.But the technical personnel in bicycle field will be clear from the present invention, the second connecting portion 52b need to be not outstanding from the second guide portion 52a.The second connecting portion 52b need to be from the second guide portion 52a bending.As needed and/or desired, the second connecting portion 52b can have other structures.For example, if need and/or expect, the second connecting portion 52b can be the member separating with the second guide portion 52a, and can utilize that other suitable attachment structures for example weld, riveted joint or bolt connect and be connected with the second guide portion 52a.
In the illustrated embodiment, the first member 50 is configured to than the more close cycle frame 14 of second component 52.The first guide portion 50a is configured to the more close cycle frame 14 than the second guide portion 52a.The first guide portion 50a and the second guide portion 52a are spaced apart, and to limit chain guide slit 42a, chain 28 extends through this chain guide slit 42a along chain drive direction D3.Chain drive direction D3 is defined as chain 28 and pedals foot power driven so that the direction that bicycle 10 moves forward by rider with respect to dialling chain device 12.
Second component 52 also comprises the 3rd connecting portion 52c.The 3rd connecting portion 52c is configured in the bottom of the second guide portion 52a.The 3rd connecting portion 52c is by such as rivet of fastener 54() be connected to the bottom of the first guide portion 50a.In the illustrated embodiment, the first member 50 and second component 52 are members separated from one another.The technical personnel in bicycle field will be clear from the present invention, and the first member 50 can be set to single type integrated member integratedly with second component 52.For example, the 3rd connecting portion 52c can be set to single type integrated member integratedly with the bottom of the first guide portion 50a.And then the first connecting portion 50b can be set to single type integrated member integratedly with the second connecting portion 52b.
As shown in Figure 3, the first connecting portion 50b and the second connecting portion 52b are arranged on the upper end of movable link 42.But the technical personnel in bicycle field will be clear from the present invention, the first connecting portion 50b and the second connecting portion 52b can be arranged on the part of the upper end that is different from movable link 42.The first connecting portion 50b is configured in the upper end of the first guide portion 50a.The second connecting portion 52b is configured in the upper end of the second guide portion 52a.In the illustrated embodiment, the first connecting portion 50b is arranged on the second connecting portion 52b below.
As shown in Figure 4, the first connecting portion 50b is connected to the second connecting portion 52b by fastener 55 and shaft component 56.Fastener 55 is for example rivet.Shaft component 56 is configured to the first connecting portion 50b to be connected to the second connecting portion 52b, and is configured to movable link 42 can be connected to rotatably additional link component 46.Because shaft component 56 also can be connected to movable link 42 additional link component 46 rotatably except the first connecting portion 50b being connected to the second connecting portion 52b, so can simplify the structure of dialling chain device 12.The technical personnel in bicycle field will be clear from the present invention, and shaft component 56 does not need movable link 42 can be connected to rotatably additional link component 46.If movable link 42 can be connected to rotatably additional link component 46 by other members, shaft component 56 can only be connected to the second connecting portion 52b by the first connecting portion 50b so.
Shaft component 56 comprises axle main body 56a, the first flange 56b, the second flange 57 and the 3rd flange 56c.Shaft component 56 is made up of for example metallic material of rigid material.Shaft component 56 is for example made up of aluminium, aluminum alloy, iron or corrosion-resistant steel.Axle main body 56a extends along the first rotation axis A11.
The first flange 56b is arranged on the lower end of axle main body 56a.The first flange 56b has the large external diameter of external diameter than the lower end of axle main body 56a.The first flange 56b is ca(u)lk portion and is set to integratedly single type integrated member with axle main body 56a.But the technical personnel in bicycle field will be clear from the present invention, the first flange 56b can substitute ca(u)lk portion and have other structures.The first flange 56b can be the member separating with the second flange 57 with axle main body 56a.The first flange 56b can be for example clasp of separating member or nut, and it is for example configured to dismantle and is attached to axle main body 56a.
The second flange 57 is to be configured to dismantle the clasp that is attached to axle main body 56a.The second flange 57 is arranged in attached groove 56d, and attached groove 56d is arranged on the upper end of axle main body 56a.The second flange 57 has the large external diameter of external diameter than the upper end of axle main body 56a.The second flange 57 prevents that additional link component 46 from being removed from shaft component 56.The technical personnel in bicycle field will be clear from the present invention, and the second flange 57 can substitute clasp and have other structures.For example, the second flange 57 can be nut.In addition, the second flange 57 can be set to single type integrated member integratedly with axle main body 56a.The second flange 57 can be for example identical with the first flange 56b is ca(u)lk portion.
The 3rd flange 56c is arranged between the first flange 56b and the second flange 57.The 3rd flange 56c has the large external diameter of external diameter than axle main body 56a.The 3rd flange 56c and axle main body 56a are set to single type integrated member integratedly.But the technical personnel in bicycle field will be clear from the present invention, the 3rd flange 56c can have other structures.The 3rd flange 56c can be separating member, for example, be configured to dismantle the clasp that is attached to axle main body 56a.In addition, the technical personnel in bicycle field will be clear from the present invention, if need and/or expect, can omit the 3rd flange 56c.
Additional link component 46 comprises the first connecting rod through hole 46a extending through for shaft component 56.Lining 47 is attached to shaft component 56 and is arranged in first connecting rod through hole 46a.The first connecting portion 50b comprises the first through hole 50i.The second connecting portion 52b comprises the second through hole 52d.Shaft component 56 extends through the first through hole 50i and the second through hole 52d.The external diameter of the first flange 56b is larger than the internal diameter of the first through hole 50i and the second through hole 52d.The external diameter of the second flange 57 is larger than the internal diameter of first connecting rod through hole 46a.The external diameter of the 3rd flange 56c is larger than the internal diameter of the first through hole 50i, the second through hole 52d and first connecting rod through hole 46a.The technical personnel in bicycle field will be clear from the present invention, replaces the first through hole 50i, and the first through hole 50i can be recess or the otch extending through for shaft component 56.In addition, replace the second through hole 52d, the second through hole 52d can be recess or the otch extending through for shaft component 56.
The first connecting portion 50b, the second connecting portion 52b and additional link component 46 are arranged between the first flange 56b and the second flange 57.The first connecting portion 50b and the second connecting portion 52b are arranged between the first flange 56b and additional link component 46.More specifically, the first connecting portion 50b and the second connecting portion 52b are arranged between the first flange 56b and the 3rd flange 56c.Additional link component 46 is arranged between the 3rd flange 56c and the second flange 57.The first connecting portion 50b utilizes the first flange 56b and the 3rd flange 56c to be fixed to the second connecting portion 52b so that movable link 42 to be provided integratedly.The first connecting portion 50b and the second connecting portion 52b are without any being clipped in gap between the first flange 56b and the 3rd flange 56c.On the other hand, additional link component 46 can be arranged between the second flange 57 and the 3rd flange 56c rotatably with respect to movable link 42.Additional link component 46 has and is clipped in gap between the second flange 57 and the 3rd flange 56c rotating with respect to movable link 42.In the illustrated embodiment, the second connecting portion 52b of second component 52 is arranged between additional link component 46 and the first connecting portion 50b of the first member 50.The technical personnel in bicycle field will be clear from the present invention, and the first connecting portion 50b can be arranged between additional link component 46 and the second connecting portion 52b.The first connecting portion 50b is configured to contact the second connecting portion 52b.The technical personnel in bicycle field will be clear from the present invention, can between the first connecting portion 50b and the second connecting portion 52b, at least one centre part be set.
As shown in Figure 4, shaft component 56 is arranged on the upstream side of fastener 55 along chain drive direction D3.Term " upstream " and " downstream " limit with respect to chain drive direction D3 in the time using in this article.The first connecting portion 50b comprises end, upstream 50j and downstream end 50k.Downstream end 50k is configured in the downstream of end, upstream 50j along chain drive direction D3.Shaft component 56 is configured to be attached under the state of cycle frame 14 along chain drive direction D3 than the more close upstream of downstream end 50k end 50j at base member 40.The technical personnel in bicycle field will be clear from the present invention, and shaft component 56 can be configured in other positions in the first connecting portion 50b and the second connecting portion 52b.For example, shaft component 56 can be configured to along chain drive direction D3 than the more close downstream end 50k of end, upstream 50j.
As shown in Figure 5, additional link component 46 is configured to movable link 42 can be connected to movably base member 40.More specifically, additional link component 46 is configured to movable link 42 to be connected to base member 40, so that movable link 42 can move with respect to base member 40 between punctured position P1 and extended position P2.Additional link component 46 comprises first connecting rod end 46b and second connecting rod end 46c.Second connecting rod end 46c is relative with first connecting rod end 46b.First connecting rod end 46b can be connected to movable link 42 around the first rotation axis A11 rotatably by shaft component 56.Second connecting rod end 46c can be connected to base member 40 around the second rotation axis A12 rotatably by first connecting rod axle 58.
As shown in Figure 5, link component 44 is configured to movable link 42 can be connected to movably base member 40.More specifically, link component 44 is configured to the first member 50 can be connected to rotatably base member 40.Link component 44 can be connected to base member 40 around the 3rd rotation axis A13 rotatably by S. A. 60.Movable link 42 is pivotally connected to link component 44 via S. A. 60.Link component 44 can be connected to base member 40 around the 4th rotation axis A14 rotatably by second connecting rod axle 62.As shown in Figure 5, link component 44 is configured to movable link 42 to be connected to base member 40, so that base member 40, movable link 42, link component 44 and additional link component 46 limit four-bar linkage.The technical personnel in bicycle field will be clear from the present invention, and other connecting rod mechanism structures can be applied to dials chain device 12.
In the time that the crank axis A1 along as shown in Figure 2 observes, the first rotation axis A11, the second rotation axis A12, the 3rd rotation axis A13 and the 4th rotation axis A14 are substantially parallel to each other.Be attached to cycle frame 14 so that under the state that chain 28 is correctly shifted at group chain device 12, in the time observing along crank axis A1, the first rotation axis A11, the second rotation axis A12, the 3rd rotation axis A13 and the 4th rotation axis A14 are not parallel and non-orthogonal with adjusting direction D1.Be attached to cycle frame 14 so that under the state that chain 28 is correctly shifted at group chain device 12, in the time observing along crank axis A1, the first rotation axis A11, the second rotation axis A12, the 3rd rotation axis A13 and the 4th rotation axis A14 are with respect to regulating direction D1 to tilt with the first angle B 1.The first angle B 1 for example can be set in about 0 degree to the scope between about 30 degree.In addition, be attached to cycle frame 14 so that under the state that chain 28 is correctly shifted at group chain device 12, in the time observing along crank axis A1, the first rotation axis A11, the second rotation axis A12, the 3rd rotation axis A13 and the 4th rotation axis A14 tilt with the second angle B 2 with respect to imaginary plane E.The second angle B 2 for example can be set in about 80 degree to the scope between about 100 degree.Imaginary plane E is defined as and is parallel to crank axis A1 and trailing wheel axis A2.
Get back to Fig. 5, link component 44 is configured to move along the fore-and-aft direction D4 of cycle frame 14 in the time that movable link 42 moves between punctured position P1 and extended position P2.Be attached under the state of cycle frame 14 at group chain device 12, in the time that the vertical direction from cycle frame 14 is observed, fore-and-aft direction D4 is substantially consistent with chain drive direction D3.In the time that base member 40 is attached to cycle frame 14, link component 44 is arranged as than the more close cycle frame 14 of additional link component 46.Link component 44 comprises for the attached drag-line attachment 65 of operation drag-line 32.Drag-line attachment 65 is configured to via operation drag-line 32 by the forward direction D41 tractive along cycle frame 14.Forward direction D41 is a direction in fore-and-aft direction D4.
When drag-line attachment 65 via operation drag-line 32 when along forward direction D41 tractive, link component 44 is rotated around the 4th rotation axis A14 with respect to base member 40.Make like this movable link 42 overcome the biasing force of bias mechanism 48 and move to extended position P2 along forward direction D41 from punctured position P1.More specifically, operate drag-line 32 by tractive, make movable link 42 move to extended position P2 along forward direction D41 from punctured position P1 and move away from cycle frame 14 along outward direction D21.
In the time of the pulling force of releasing operation drag-line 32, make movable link 42 move to punctured position P1 from extended position P2.More specifically, by releasing operation drag-line 32, make movable link 42 move to punctured position P1 along backward directions D42 from extended position P2 and move along inward direction D22.By this way, movable link 42 is optionally positioned at chain 28 in chain link 30 in response to the operation of change-speed box 26.Backward directions D42 is another direction of fore-and-aft direction D4 and contrary with forward direction D41.
The technical personnel in bicycle field will be clear from the present invention, and movable link 42 can be configured to, in the time that movable link 42 moves from punctured position P1 to extended position P2, move away from base member 40 along the backward directions D42 of cycle frame 14.The technical personnel in bicycle field will be clear from the present invention, and drag-line attachment 65 can be arranged on additional link component 46.In addition, can replace operation drag-line 32 and drag-line attachment 65, electrically driven is applied to and dials chain device 12 so that movable link 42 moves with respect to base member 40.
As shown in Figure 5, shaft component 56 is configured to, in the time that movable link 42 moves from punctured position P1 to extended position P2, move away from base member 40 along the forward direction D41 of cycle frame 14.But the technical personnel in bicycle field will be clear from the present invention, shaft component 56 can be configured to, in the time that movable link 42 moves from punctured position P1 to extended position P2, move away from base member 40 along the backward directions D42 of cycle frame 14.Because shaft component 56 can move with respect to base member 40 along fore-and-aft direction D4, so the connecting bridge that the first connecting portion 50b is connected with the second connecting portion 52b can be configured on the rotation axis (i.e. the first rotation axis A11) of movable link 42 and additional link component 46.Allow like this shaft component 56 as rotation axis and connecting bridge.
As shown in Figure 5, movable link 42 can be by rotating lower speed change level set screw 63a and upper speed change level set screw 63b regulates with respect to the speed change level position, end of base member 40.By this way, the moving range of movable link 42 can regulate with respect to base member 40.Particularly, in the time that movable link 42 is positioned at lower speed change level (gear) position (being punctured position P1), the abutting part of the additional link component 46 of lower speed change level set screw 63a contact.In the time that movable link 42 is positioned at upper speed change level (gear) position (being extended position P2), the abutting part of the additional link component 46 of upper speed change level set screw 63b contact.In the illustrated embodiment, the abutting part of additional link component 46 presses on lower speed change level set screw 63a by the biasing force of bias mechanism 48.
As shown in Figure 6, bias mechanism 48 is configured to bias voltage (pressing) link component 44, so that movable link 42 is configured in a place in punctured position P1 and extended position P2.In the illustrated embodiment, bias mechanism 48 is configured to bias voltage link component 44, so that movable link 42 is configured in punctured position P1 place.But the technical personnel in bicycle field will be clear from the present invention, bias mechanism 48 can be configured to bias voltage link component 44, so that movable link 42 is configured in extended position P2 place.
Bias mechanism 48 comprises biasing member 64, intermediate member 66 and supporting member 68.Biasing member 64 has first end 64b and the second end 64c.Intermediate member 66 arranges discretely with movable link 42 and link component 44, so that the biasing force of biasing member 64 is delivered to movable link 42 and link component 44 from first end 64b by intermediate member 66.In the illustrated embodiment, intermediate member 66 is configured to the biasing force of biasing member 64 to be delivered to link component 44 from first end 64b.But the technical personnel in bicycle field will be clear from the present invention, intermediate member 66 can be configured to the biasing force of biasing member 64 to be delivered to movable link 42 from first end 64b.Biasing member 64, intermediate member 66 and supporting member 68 are configured to rotate around the 3rd rotation axis A13 with respect to movable link 42 and link component 44.
As shown in Figure 5, intermediate member 66 is arranged on the first side S1 of movable link 42.Be attached at base member 40 under the state of cycle frame 14, the first side S1 is relative with the second side S2 of movable link 42, and than the more close cycle frame 14 of the second side S2.But the technical personnel in bicycle field will be clear from the present invention, intermediate member 66 can be arranged on the second side S2 of movable link 42.Intermediate member 66 is arranged on biasing member 64 tops.Supporting member 68 is arranged on biasing member 64 belows.But the technical personnel in bicycle field will be clear from the present invention, intermediate member 66 can be arranged on biasing member 64 belows, and supporting member 68 can be arranged on biasing member 64 tops.
As shown in Figure 7, biasing member 64 comprises torsion spring, and it comprises that cylindrical part 64a is to produce the biasing force around the 3rd rotation axis A13.But the technical personnel in bicycle field will be clear from the present invention, biasing member 64 can be the member that is configured to produce biasing force that is different from torsion spring.First end 64b extends along the 3rd rotation axis A13 from cylindrical part 64a.The radial direction of the second end 64c from cylindrical part 64a along cylindrical part 64a extended.In the illustrated embodiment, first end 64b is arranged on the upper end of cylindrical part 64a, and the second end 64c is arranged on the bottom of cylindrical part 64a.First end 64b is configured to engage with intermediate member 66.The second end 64c is configured to engage with movable link 42.Cylindrical part 64a, intermediate member 66 and the supporting member 68 of biasing member 64 are arranged on S. A. 60.
Intermediate member 66 comprises Part I 70 and Part II 72.Part I 70 is configured to engage with the first end 64b of biasing member 64.Part II 72 is configured to engage with in link component 44 and movable link 42 one, and is configured to dismantle and is attached to Part I 70.In the illustrated embodiment, Part II 72 comprises pin, and it is configured to and the pin coupling opening 76e(Fig. 9 will be described later) engage.
Part I 70 comprises inside portion 74 and outside portion 76.Inside portion 74 is configured to be arranged on the cylindrical part 64a inner side of biasing member 64.74Cong outside portion, inside portion 76 is outstanding along the 3rd rotation axis A13.Inside portion 74 is configured to along the inner peripheral surface of radial direction contact cylindrical part 64a.Outside portion 76 is configured to be arranged on cylindrical part 64a outside.Outside portion 76 is configured to engage with the first end 64b of biasing member 64.Outside portion 76 is configured to along the upper surface of axial direction contact cylindrical part 64a.Part II 72 is configured to dismantle and is attached to outside portion 76.In the illustrated embodiment, Part I 70 is made up of for example metallic material of rigid material.Part I 70 is for example made up of aluminium, aluminum alloy, iron or corrosion-resistant steel.Similarly, Part II 72 is made up of for example metallic material of rigid material.Part II 72 is for example made up of aluminium, aluminum alloy, iron or corrosion-resistant steel.
Part I 70 comprises the through hole 70a extending through for S. A. 60.Through hole 70a extends and is arranged in inside portion 74 and outside portion 76 along the 3rd rotation axis A13.In the illustrated embodiment, lining 78 extends through through hole 70a.S. A. 60 extends through lining 78.
Outside portion 76 comprises the engagement groove 76a engaging with the first end 64b of biasing member 64.But the technical personnel in bicycle field will be clear from the present invention, inside portion 74 can be configured to replace outside portion 76 and engage with the first end 64b of biasing member 64.The technical personnel in bicycle field will be clear from the present invention, can omit inside portion 74.
Supporting member 68 is configured to support the bottom of biasing member 64.Supporting member 68 is arranged on the opposite side about biasing member 64 of intermediate member 66.In the illustrated embodiment, supporting member 68 is made up of for example metallic material of rigid material.Supporting member 68 is for example made up of aluminium, aluminum alloy, iron or corrosion-resistant steel.Supporting member 68 comprises end supports 68a, pars intermedia 68b and inner support part 68c.
End supports 68a is configured to the outside of the cylindrical part 64a that is arranged on biasing member 64.End supports 68a is configured to along the lower surface of the axial direction D5 contact biasing member 64 of S. A. 60.Axial direction D5 is parallel with the 3rd rotation axis A13.Pars intermedia 68b and inner support part 68c are configured to be arranged on the inside of cylindrical part 64a.Supporting member 68 comprises the through hole 68d extending along the 3rd rotation axis A13.S. A. 60 extends through through hole 68d along the 3rd rotation axis A13.The technical personnel in bicycle field will be clear from the present invention, if need and/or expect, can omit supporting member 68.
As shown in Figure 8, outside portion 76 comprises the 76b of tool engagement portion treating in the time that chain device 12 is dialled in assembling with tool engagement.The 76b of tool engagement portion comprises the multiple tool engagement opening 76c and the 76d that in the time that chain device 12 is dialled in assembling, treat with tool engagement.But the technical personnel in bicycle field will be clear from the present invention, the 76b of tool engagement portion can comprise at least one tool engagement opening for the treatment of in the time that chain device 12 is dialled in assembling with tool engagement.
Each radial direction along outside portion 76 in tool engagement opening 76c and 76d is extended.The radial direction of outside portion 76 is perpendicular to the 3rd rotation axis A13.Each in tool engagement opening 76c and 76d is slightness hole.But the technical personnel in bicycle field will be clear from the present invention, each in tool engagement opening 76c and 76d can replace through hole and have other structures, for example, have bottom outlet, recess or groove.In the illustrated embodiment, tool engagement opening 76c and 76d have mutually the same shape.The technical personnel in bicycle field will be clear from the present invention, and tool engagement opening 76c and 76d can have configurations differing from one.
As shown in Figure 8 and Figure 9, the each periphery from outside portion 76 in tool engagement opening 76c and 76d extends to through hole 70a.Tool engagement opening 76c treats with tool engagement opening 76d spaced apart along the circumferencial direction of outside portion 76.In the illustrated embodiment, tool engagement opening 76c is than the more close engagement groove 76a of tool engagement opening 76d.
As shown in Figure 9, outside portion 76 also comprises pin coupling opening 76e.Pin coupling opening 76e is the through hole that extends to through hole 70a along the radial direction of outside portion 76 from the periphery of outside portion 76.Part II 72(Fig. 7) engage with pin coupling opening 76e.In the time that chain device 12 is dialled in assembling, Part II (pin) 72 is inserted in pin coupling opening 76e.The technical personnel in bicycle field will be clear from the present invention, and pin coupling opening 76e can replace through hole and have other structures, for example, have bottom outlet, recess or groove.
As shown in figure 10, inside portion 74 has the first external diameter L1.Outside portion 76 has the second external diameter L2 that is greater than the first external diameter L1.End supports 68a has the 3rd external diameter L3.Pars intermedia 68b has the footpath L4 all round.Inner support part 68c has the 5th external diameter L5.The 3rd external diameter L3 is greater than the footpath L4 and the 5th external diameter L5 all round.All round footpath L4 be greater than the 5th external diameter L5.The 3rd external diameter L3 is substantially identical with the second external diameter L2.The cylindrical part 64a of biasing member 64 has the 6th external diameter L6 and internal diameter L7.The second external diameter L2 and the 3rd external diameter L3 are substantially identical with the 6th external diameter L6 and be greater than internal diameter L7.
As shown in figure 10, link component 44 comprises distal portion 80a and 80b.Distal portion 80a and 80b are pivotally connected to movable link 42.Distal portion 80b is spaced apart along the 3rd rotation axis A13 and distal portion 80a.Each in distal portion 80a and 80b is pivotally connected to movable link 42 by S. A. 60 around the 3rd rotation axis A13.Bias mechanism 48 is arranged between distal portion 80a and 80b along axial direction D5.Outside portion 76 is arranged between biasing member 64 and link component 44 along the axial direction D5 of S. A. 60.More specifically, outside portion 76 is arranged on distal portion 80a and biasing member 64(cylindrical part 64a along axial direction D5) between.End supports 68a is arranged on distal portion 80a and biasing member 64(cylindrical part 64a) between.
The first member 50 of movable link 42 comprises the first support 50c and the second support 50d.The second support 50d is spaced apart along the 3rd rotation axis A13 and the first support 50c.Distal portion 80a is pivotally connected to the first support 50c by S. A. 60 around the 3rd rotation axis A13.Distal portion 80b is pivotally connected to the second support 50d by S. A. 60 around the 3rd rotation axis A13.Distal portion 80a and 80b are arranged between the first support 50c and the second support 50d along the 3rd rotation axis A13.
The first support 50c comprises the first supporting through hole 50e.Distal portion 80a comprises through hole 80c.S. A. 60 extends through the first supporting through hole 50e and through hole 80c.Lining 78 is arranged in through hole 80c.The second support 50d comprises the second supporting through hole 50f.Distal portion 80b comprises through hole 80d.S. A. 60 extends through the second supporting through hole 50f and through hole 80d.Lining 82 is attached to S. A. 60 and is arranged in through hole 80d.
As shown in Figure 5, link component 44 is configured to, and in the time that movable link 42 moves between punctured position P1 and extended position P2, distal portion 80a and 80b move along the fore-and-aft direction D4 of cycle frame 14.In the illustrated embodiment, link component 44 is configured to, and in the time that movable link 42 moves from punctured position P1 to extended position P2, distal portion 80a and 80b move along the forward direction D41 of cycle frame 14.
As shown in figure 11, link component 44 comprises close end 78a and 78b.Close end 78a and 78b are pivotally connected to base member 40.Close end 78a and 78b are arranged on the opposite side of distal portion 80a and 80b in link component 44.Close end 78b is spaced apart along the 4th rotation axis A14 and close end 78a.Each in close end 78a and 78b is pivotally connected to base member 40 by second connecting rod axle 62 around the 4th rotation axis A14.
As shown in figure 11, link component 44 comprises and is configured to the depressed part 44a that engages with Part II 72.Part II 72 is arranged in depressed part 44a.Depressed part 44a is also configured to prevent that Part II 72 from being removed by the outside portion 76 from Part I 70 by mistake.The biasing force of biasing member 64 is delivered to link component 44 by outside portion 76 and Part II 72 from the first end 64b of biasing member 64.
As shown in figure 12, the first member 50 of movable link 42 comprises and the opening 50m of bias mechanism 48 adjacent settings.The first member 50 also comprises and is configured to arrange the second end 64c and is arranged on the 50g of layout portion on guide surface 50h.The 50g of layout portion comprises the recess for the second end 64c configuration.Guide surface 50h is set to slip and the second guide portion 52a towards second component 52 together with chain 28.The second end 64c of biasing member 64 is configured to engage with guide surface 50h.More specifically, the second end 64c is arranged on the 50g of layout portion inner side, and not outstanding towards the second guide portion 52a from guide surface 50h.This has prevented that the second end 64c and chain 28 from interfering.But the technical personnel in bicycle field will be clear from the present invention, if need and/or expect, omit the 50g of layout portion.Because the second end 64c engages with guide surface 50h, so the second end 64c and/or the supporting part that engages with the second end 64c are outstanding towards cycle frame 14 and/or trailing wheel 18.Making like this to dial chain device 12 is compact along the horizontal direction D2 of cycle frame 14, thereby for example, even if the size of trailing wheel 18 (width) needs larger, also allows the distance of guaranteeing expectation between chain device 12 and trailing wheel 18 dialling.Therefore, can prevent from dialling chain device 12 and interfere with trailing wheel 18, and irrelevant with the size of trailing wheel 18.
Different from the first end 64b of biasing member 64, the biasing force of biasing member 64 is directly delivered to the first member 50 of movable link 42 from the second end 64c of biasing member 64.But the technical personnel in bicycle field will be clear from the present invention, intermediate member 66 can be applied to the second end of biasing member 64.In such embodiments, intermediate member 66 replaces supporting member 68 and is arranged on the bottom of biasing member 64, and Part II 72 is arranged in the 50g place of layout portion of the first member 50.
With reference to figures 13 to Figure 16, will the method for assembling bias mechanism 48 be described below.
As shown in figure 13, the first end 64b of biasing member 64 is arranged in the engagement groove 76a of outside portion 76 of Part I 70.Under the state of describing at Figure 11, biasing member 64 is in free state, and the biasing force of biasing member 64 is not applied to outside portion 76.Tool engagement opening 76c is for example set as the first instrument 100 with respect to the initial circumferential position of link component 44 can be inserted into the position in tool engagement opening 76c.
As shown in figure 13, the first instrument 100 is inserted in the tool engagement opening 76c of outside portion 76.Use the first instrument 100 by workman, and Part I 70 is rotated along the first hand of rotation D61, thus the biasing force F1 of increase biasing member 64.Use the first instrument 100 by workman, and overcome biasing force F1, Part I 70 is remained on to the circumferential location shown in Figure 14.
As shown in figure 14, in the time that tool engagement opening 76d moves to the second instrument 102 and can be inserted into the position in tool engagement opening 76d, the second instrument 102 is inserted in tool engagement opening 76d.After in the second instrument 102 is inserted into tool engagement opening 76d, the first instrument 100 is removed from tool engagement opening 76c.Now, use the second instrument 102 by workman, and overcome biasing force F1, Part I 70 is remained on to the circumferential location shown in Figure 14.
As shown in figure 15, use the second instrument 102 by workman, and make Part I 70 further along the first hand of rotation D61 rotation.In the time that pin coupling opening 76e moves to Part II (pin) 72 and can be inserted into the position in pin coupling opening 76e, Part II 72 is inserted in pin coupling opening 76e.
As shown in figure 16, use the second instrument 102 by workman, and Part I 70 is rotated along the second hand of rotation D62, thereby allow Part II 72 to contact the inclined surface 44b of depressed part 44a.The second hand of rotation D62 is contrary with the first hand of rotation D61.Contact at Part II 72 under the state of inclined surface 44b, the second instrument 102 is removed from tool engagement opening 76d.Biasing force F2 is delivered to link component 44 by Part I 70 and the Part II 72 of intermediate member 66 from biasing member 64.
As discussed above, intermediate member 66 arranges discretely with movable link 42 and link component 44, so that the biasing force F2 of biasing member 64 is delivered to link component 44 by intermediate member 66 from first end 64b.Compared with group chain device of intermediate member 66 is not set, allow to use the first instrument 100 and the second instrument 102 easily to assemble bias mechanism 48 like this.
In the time using in this article, term " comprises " and derivative is intended for open-ended term, it clearly limits the existence of described feature, element, parts, group, entirety and/or step, but does not get rid of other and do not state the existence of feature, element, parts, group, entirety and/or step.This concept is also applicable to have the word of the similar meaning, and for example term " has ", " comprising " and their derivative.
Term " member ", " section ", " portion ", " part " or " element " can have the double meaning of single part or multiple parts when as odd number.
In term " first ", " second " etc. of recording in this application ordinal number be only identifier, and do not there is any other implication, for example specifically sequentially etc.And for example term " the first element " itself do not imply and have " the second element ", and term " the second element " itself does not imply and has " the first element ".
Finally, degree term for example " substantially ", " approximately ", " being similar to ", in the time using in this article, mean the reasonable bias of being modified term, and net result is not significantly changed.
Obviously,, in view of above-mentioned instruction, many changes of the present invention and distortion are possible.Therefore be appreciated that within the scope of the appended claims, can implement the present invention to be different from specifically described mode herein.

Claims (18)

1. dial a chain device, comprising:
Base member, is configured to be attached to cycle frame;
Movable link, is configured between punctured position and extended position, to move with respect to described base member, farther apart from described base member at movable link described in described extended position compared with described punctured position;
Link component, is configured to described movable link can be connected to movably described base member; And
Bias mechanism, is configured to link component described in bias voltage, so that described movable link is configured in a place in described punctured position and described extended position, described bias mechanism comprises:
Biasing member, has first end; With
Intermediate member, arranges discretely with described movable link and described link component, so that the biasing force of described biasing member is delivered to described movable link and described link component from described first end by described intermediate member.
2. according to claim 1 group of chain device, wherein
Described intermediate member is configured to the biasing force of described biasing member to be delivered to described link component from described first end.
3. according to claim 1 group of chain device, wherein
Described bias mechanism is configured to link component described in bias voltage, so that described movable link is configured in described collapsed position.
4. according to claim 1 group of chain device, wherein
Described intermediate member comprises Part I and Part II;
Described Part I is configured to engage with the first end of described biasing member, and
Described Part II is configured to engage with in described link component and described movable link described one, and is configured to dismantle and is attached to described Part I.
5. according to claim 4 group of chain device, wherein
Described biasing member comprises torsion spring, and this torsion spring comprises cylindrical part, and described first end extends from this cylindrical part,
Described Part I comprises:
Inside portion, is configured to be arranged on described cylindrical part inner side; With
Outside portion, is configured to be arranged on described cylindrical part outside, and
Described Part II is configured to dismantle and is attached to described outside portion.
6. according to claim 5 group of chain device, wherein
Described movable link is pivotally connected to described link component via S. A., and
The cylindrical part of described biasing member and described intermediate member are arranged on described S. A..
7. according to claim 6 group of chain device, wherein
Described outside portion is configured to engage with the first end of described biasing member.
8. according to claim 7 group of chain device, wherein
Described inside portion has the first external diameter, and
Described outside portion has the second external diameter that is greater than described the first external diameter.
9. according to claim 6 group of chain device, wherein
Described outside portion is arranged between described biasing member and described link component along the axial direction of described S. A..
10. according to claim 5 group of chain device, wherein
Described outside portion comprises in the time that chain device is dialled in assembling and the tool engagement portion of tool engagement.
11. according to claim 10 groups of chain devices, wherein
Described tool engagement portion comprises in the time that chain device is dialled in assembling and at least one tool engagement opening of tool engagement.
12. according to claim 10 groups of chain devices, wherein
Described tool engagement portion comprises in the time that chain device is dialled in assembling and multiple tool engagement openings of tool engagement.
13. according to claim 10 groups of chain devices, wherein
Described outside portion also comprises pin coupling opening, and
Described Part II comprises and is configured to the pin that engages with described pin coupling opening.
14. according to claim 4 groups of chain devices, wherein
Described intermediate member is configured to the biasing force of described biasing member to be delivered to described link component from described first end, and
Described link component comprises and is configured to the depressed part that engages with described Part II.
15. according to claim 1 groups of chain devices, wherein
Described link component comprises the close end that is pivotally connected to described base member and the distal portion that is pivotally connected to described movable link, and
Described link component is configured to, and in the time that described movable link moves between described punctured position and described extended position, described distal portion moves along the fore-and-aft direction of described cycle frame.
16. according to claim 1 groups of chain devices, also comprise:
Additional link component, this additional link component is configured to described movable link to be connected to described base member, so that described movable link can move with respect to described base member between described punctured position and described extended position, wherein
Described base member, described movable link, described link component and described additional link component limit four-bar linkage.
17. according to claim 1 groups of chain devices, wherein
Described intermediate member is arranged on the first side of described movable link, and
Be attached at described base member under the state of described cycle frame, described the first side is relative with the second side of described movable link, and than the more close described cycle frame of described the second side.
18. according to claim 1 groups of chain devices, wherein
Described biasing member also has the second end,
Described intermediate member is configured to part the biasing force of described biasing member is delivered to described link component from described first end by structure in the middle of described, and
Described movable link has the guide surface of the contact of being configured to and guiding cycle chain and is configured to arrange described the second end and be arranged on the layout portion on described guide surface.
CN201410220274.1A 2013-05-23 2014-05-23 Derailleur Active CN104176194B (en)

Applications Claiming Priority (4)

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US13/900,787 US9216794B2 (en) 2013-05-23 2013-05-23 Front derailleur
US13/900787 2013-05-23
US14/042573 2013-09-30
US14/042,573 US9156524B2 (en) 2013-09-30 2013-09-30 Derailleur

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CN104176194B (en) 2017-04-12
TWI585002B (en) 2017-06-01
TW201446586A (en) 2014-12-16

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