CN101525033B - Chain adjuster for two-wheeled motorcycle - Google Patents
Chain adjuster for two-wheeled motorcycle Download PDFInfo
- Publication number
- CN101525033B CN101525033B CN2009100046220A CN200910004622A CN101525033B CN 101525033 B CN101525033 B CN 101525033B CN 2009100046220 A CN2009100046220 A CN 2009100046220A CN 200910004622 A CN200910004622 A CN 200910004622A CN 101525033 B CN101525033 B CN 101525033B
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- Prior art keywords
- arm
- washer
- rocking arm
- axletree
- hole
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Abstract
The invention provides a chain adjuster for two-wheeled motorcycle, which can prevent dust, rainwater and mud from entering into a rocker arm, thereby improving appearance and assembly ability. According to the invention, the chain adjuster (63) is composed of an adjusting bolt (92) equipped through an end cap (91), a flat cushion ring part (93) equipped in the front of the adjusting bolt (92) with a through hole (93a) through an axle shaft (57), an axle collar (94) equipped on the inner side (93a) of the cushion ring part (93) coaxial with the through hole (93a) and the bolt through-hole. The cushion ring part (93) is equipped for blocking a slot (105) outside the vehicle width direction from inside of the rocker arm (24).
Description
Technical field
The present invention relates to the improvement of chain adjuster for two-wheeled motorcycle.
Background technology
As traditional chain adjuster for two-wheeled motorcycle, be well known that to possess to make trailing wheel with the inserting hole of axletree break-through and the chain adjuster of trimming screw (for example, with reference to patent documentation 1).
[patent documentation 1] japanese kokai publication hei 7-267168 communique
To Fig. 2 of patent documentation 1, Fig. 3 carries out following explanation.
The rocking arm 11 of cornue shape; The axletree inserting hole 16 of long slotted hole shape before and after rearward end is offered; In this rocking arm 11, insert adjuster 21; Wherein this adjuster 21 is made up of 23 of the trimming screws that the partial sum of the ring-type of having offered the inserting hole 22 that makes axletree of rear wheel 20 break-through is installed on the part of this ring-type, and the block 24 that trimming screw 23 will be disposed at the rear end of rocking arm 11 connects and in front end and adjustment nut 25 screw-threaded engagement.
Axletree of rear wheel 20, break-through are opened in lateral surface and the axletree hole 28 of the locating plate 27 that the bottom surface contacts, the axletree inserting hole 16 of rocking arm 11 and the inserting hole 22 of adjuster 21 with the rearward end of rocking arm 11.
Summary of the invention
The technical matters that invention will solve
Because the length of the fore-and-aft direction of the axletree inserting hole 16 of above-mentioned rocking arm 11, bigger than the width on the top of locating plate 27, so axletree inserting hole 16 is exposed to the outside, and dust, rainwater, mud etc. enter into the inside of rocking arm 11 from this axletree inserting hole 16.
And locating plate 27 is exposed to the outside, diminishes aesthetic appearance.
And then; When axletree of rear wheel 20 is assembled in rocking arm 11, on one side locating plate 27 is contacted with the bottom surface with the lateral surface of rocking arm 11, Yi Bian the mode that matches with inserting hole 22 and axletree inserting hole 16 is inserted adjuster 21 in the rocking arm 11 from the rear end of rocking arm 11; And then; With axletree hole 28, axletree inserting hole 16 and the inserting hole 22 of axletree of rear wheel 20 insertion locatings plate 27, assembling becomes miscellaneous, and a people is difficult to operation.
The purpose of this invention is to provide a kind of, dust, rainwater, mud etc. are difficult to get in the rocking arm, and can improve aesthetic appearance, and then can improve the chain adjuster for two-wheeled motorcycle of assembleability.
Solve the means of problem
First invention is to make trailing wheel with the rocking arm of the slotted hole of axletree break-through, the end cap that the open rearward end of this rocking arm is blocked, the propulsive effort of engine side is adjusted the position of axletree and in the two-wheeled motor vehicle with the chain adjuster of the tension adjustment of drive chain to drive chain, the utilization of trailing wheel transmission on fore-and-aft direction possessing to teeter to be installed on vehicle body or driving engine freely and to offer in rearward end; It is characterized in that; Chain adjuster by the plus-minus screw that disposes with the mode that end cap is connected, be installed on the front end of this plus-minus screw and offered the flat washer portion of the through hole that axletree was connected, the axle collar that is installed on the side of washer portion coaxially with through hole constituted, washer portion disposes with the mode of the slotted hole outside the overall width direction being blocked from the inboard in the inside of rocking arm.
Act as; Because of washer portion disposes with the mode of the slotted hole in the overall width direction outside being blocked from the inboard in the inside of rocking arm, thus dust, rainwater; Mud etc. are difficult to enter into rocking arm inside from slotted hole; And because washer portion is disposed at rocking arm inside, therefore compare with traditional exterior situation that is disposed at, aesthetic appearance improves.
And then; Chain adjuster is that washer portion is installed on the front end of plus-minus screw, and the parts of the one of the axle collar are installed in the side of this washer portion; Be assembled in trailing wheel under the situation of rocking arm with axletree; Be inserted into chain adjuster in the rocking arm in the rear end from rocking arm and make under slotted hole and the state that matches of through hole and rocking arm of washer portion, the axletree that trailing wheel is used inserts the slotted hole of rocking arm and the through hole and the axle collar of washer portion, can carry out the assembling of trailing wheel with axletree so simply.
Second invention is characterised in that rocking arm possesses the arm of the pair of right and left of configuration in two sides of trailing wheel, and plus-minus screw disposes with the middle mind-set overall width direction outside out-of-position mode with respect to the width of arm.
Act as; Flat washer portion is installed on plus-minus screw; When the face of facing at the slotted hole with the overall width direction outside that makes washer portion touches the inner face of lateral wall of arm; Dispose with the middle mind-set overall width direction outside out-of-position mode of plus-minus screw, make plus-minus screw connect end cap with middle mind-set overall width direction outside out-of-position mode with respect to the width of end cap with respect to the width of arm.
Even with the face of facing with the slotted hole overall width direction outside washer portion; The wall right mode inboard with the overall width direction of arm is inserted into chain adjuster in the arm by error; Can not fully insert; And owing between wall outside the overall width direction of arm and washer portion, produce the gap, therefore easy identification error stack-mounted situation.
The 3rd invention is characterised in that; Washer portion prolongs by the washer body of laterally-elongated, from the top that the central part of this washer body extends up and down portion and below and prolong portion and constitute; Washer body covers the inboard of slotted hole from arm; The top prolongs portion and below and prolong and portion, through upper wall that makes leading section contact arm separately and the location up and down that diapire carries out washer portion.
Prolong portion, below and prolong and the cross shape that portion constitutes because washer portion forms by washer body and top, so compare small-sized, light weight with the situation that for example washer portion forms rectangle.And because washer portion can be prolonged portion and below and prolong portion and locate up and down by the top, therefore when washer portion is inserted in arm and assembled, be easy in arm, insert, be easy to mobile washer portion simultaneously.
The effect of invention
In first invention; Because chain adjuster by so that the plus-minus screw that the mode that end cap connects disposes, be installed on the front end of this plus-minus screw and offer the flat washer portion of the through hole that axletree connects, the axle collar that is installed on the side of washer portion coaxially with through hole constitutes; Washer portion disposes with the mode of the slotted hole in the overall width direction outside being blocked from the inboard in the inside of rocking arm, so can make dust, rainwater; Mud etc. are difficult to enter into rocking arm inside from slotted hole; Simultaneously can improve aesthetic appearance, so through with chain adjuster as parts by plus-minus screw, washer portion and the one that the axle collar constituted, can improve the assembleability of the axletree that trailing wheel uses.
In second invention; Because rocking arm possesses the arm in the pair of right and left of two sides of trailing wheel configuration; Plus-minus screw disposes with the middle mind-set overall width direction outside out-of-position mode with respect to the width of arm, so can plus-minus screw and washer portion be formed simple shape, promptly there is no need the plus-minus screw bending; The liner etc. of perhaps packing into betwixt; And, just can not carry out the tension adjustment of drive chain, so can utilize simple structure to prevent wrong assembling if therefore assemble inadequately because chain adjuster is the non-symmetrical shape in the left and right sides.
In the 3rd invention; Because washer portion is prolonged by the washer body of laterally-elongated, from the top that the central part of this washer body extends up and down and portion and below and prolong portion and constitute; Washer body covers slotted hole from the inboard of arm, the top prolongs portion and below and prolong and portion, upper wall through making separately leading section and arm and diapire contact carry out washer portion about the location; So can seek washer portion miniaturization, lightweight through washer portion being formed cross shape; Prolong portion and below and prolong and portion through the top simultaneously, when washer portion is inserted in arm and assembled, can assemble easily.
Description of drawings
Fig. 1 is the lateral plan that possesses the two-wheeled motor vehicle of chain adjuster about of the present invention.
Fig. 2 is the rear portion birds-eye view about two-wheeled motor vehicle of the present invention.
Fig. 3 is first cutaway view about rocking arm rearward end of the present invention.
Fig. 4 is second cutaway view about rocking arm rearward end of the present invention.
Fig. 5 is the 5-5 line cutaway view of Fig. 4.
The explanation of symbol
10 two-wheeled motor vehicles
11 vehicle bodies (vehicle body frames)
22 driving engines
24 rocking arms
55 arms
57 axletrees
58 trailing wheels
62 drive chains
63 chain adjusters
91 end caps
92 plus-minus screws (adjustable bolt)
93 washer portion
The 93A washer body
Prolong above the 93B and portion
Prolong below the 93C and portion
The 93a through hole
The side of 93b washer portion (medial surface)
93c is in the face of the face (lateral surface) of slotted hole
93e, the 93f leading section
93h, the 93j scale
94 axle collars
105 slotted holes
107 upper walls
108 diapires
The width of W1 arm (outer wide)
The specific embodiment
Mode to the best of being used for embodiment of the present invention is carried out following explanation according to accompanying drawing.In addition, scheme according to symbol towards seeing.
Fig. 1 is the lateral plan that possesses the two-wheeled motor vehicle of chain adjuster about of the present invention; In the two-wheeled motor vehicle 10; The vehicle body frames 11 that becomes skeleton by the head pipe 12 that is arranged at front end, from this pipe 12 rearward tiltedly the main car frame 13 that extends of below, the pivot plate 14 that is installed on the rear end of this main car frame 13, from the subframe 18 of the seat rail 16,17 (symbol 16 before the presentation surface) of the oblique upper pair of right and left of extending, pair of right and left that the rear end and the seat rail 16,17 of main car frame 13 linked separately rearward midway of main car frame 13; 19 (symbols 18 before the presentation surface) constitute; Front fork 21 turns to and is installed on head pipe 12 freely, and driving engine 22 is installed on main car frame 13 and pivot plate 14, and rocking arm 24 waves through pivot 23 and is installed on pivot plate 14 freely; Fuel tank 26 is installed on seat rail 16,17.
In the change-speed box 34, output shaft 54 protrudes in the side from the side of crankcase 36, and drive sprocket 56 is installed on this output shaft 54.
Rocking arm 24 possesses the arm 55,55 (presentation surface before symbol 55) of the upwardly extending pair of right and left in front and back, and axletree 57 is set up in these arm 55,55 rear ends separately, and trailing wheel 58 is installed on this axletree 57.
Be provided with integratedly at trailing wheel 58 driven sprockets 61, drive chain 62 hangs on drive sprocket 56 and the driven sprocket 61, in the rearward end of rocking arm 24, the chain adjuster 63 that the tension force of drive chain 62 is adjusted is set.
In the rearward end of rocking arm 24 be arranged at the carriage 64,66 (presentation surface before symbol 64) of seat rail 16,17 respectively, set up and install back damper unit 67,67 (symbol 67 before the presentation surface).
At this, symbol 71 is the handlebar cover, and 72 is front shroud, and 73 is wing, and 74 is the legging air baffle, and 76 is seat, and 77 is the vehicle body cover, and 78 is taillight, and 81 is boot-mounted wing, and 82 is main support.
Fig. 2 is that the rear portion birds-eye view about two-wheeled motor vehicle of the present invention (is a part sectional view; The place ahead of arrow among the figure (FRONT) expression two-wheeled motor vehicle), the arm 55,55 about rocking arm 24; Break-through has the axletree 57 of bolt shape, and trailing wheel 58 rotations are installed on this axletree 57 freely.
The arm 55 of rocking arm 24 forms the rectangular section shape, in arm 55, promptly between the lateral wall 85 and madial wall 86 of arm 55, disposes the chain adjuster 63 that the front and back position of axletree 57 is adjusted.87 is the nut that combines with the leading section screw thread of axletree 57.
Fig. 3 is first cutaway view about rocking arm rearward end of the present invention, and expression is along the section of axletree 57.
The adjustable bolt inserting hole 91a that is formed at end cap 91 is offered the line of centers 101 with respect to the outer wide W1 of arm 55 only to squint with offset delta to the overall width direction outside.Thereby adjustable bolt 92 also squints to the overall width direction outside with respect to line of centers 101.
The length L 1 of the fore-and-aft direction of washer portion 93 forms longlyer than the long axis length L2 of the slotted hole of offering at the lateral wall 85 and the madial wall 86 of arm 55 105,105, and in the adjustable range of chain adjuster 63, slotted hole 105 is always blocked by washer portion 93.Thereby because slotted hole 105 do not communicate with the inside of arm 55, so dust, rainwater, mud etc. are difficult to enter into from slotted hole 105 inside of arm 55, and also deterioration not of aesthetic appearance.
The axle collar 94, for through welded and installed at the part of washer portion 93, the thickness of slab T of washer portion 93 and the width B of the axle collar 94 and equate perhaps smaller with the inner width W2 of arm 55.Thereby, in order axletree 57 to be assembled in rocking arm 24 (with reference to Fig. 1), and axletree 57 is fastening and when applying spool power, bear a power while suppress the deflection of arm 55 by the washer portion 93 and the axle collar 94.
Fig. 4 is second cutaway view about rocking arm rearward end of the present invention, the section of expression and axletree 57 quadratures.
Washer body 93A is with the part of slotted hole 105 from the inboard covering of arm 55; The top prolongs the 93B of portion and below and prolong and the 93C of portion for through making leading section 93e separately, the upper wall 107 of 93f and arm 55 and diapire 108 contact carry out washer portion 93 about the part of location.
At the lateral surface 93c that faces with 105 of slotted hole of washer portion main body 93A, be carved with the scale 93h of the benchmark of the amount of movement (being the amount of movement of driven sprocket 61) that becomes axletree 57,93j.
The length L 3 up and down of washer body 93A is longer than the minor axis length L4 of slotted hole 105.In addition, 91a, 91a is for being formed at the positioning convex of the single face of end cap 91 for the rear end that end cap 91 is positioned arm 55.
Fig. 5 is the 5-5 line cutaway view of Fig. 4, and the top is prolonged and the 93B of portion and the below prolongs among the 93C of portion, leading section 93e separately, and 93f is inboard to vehicle body, and is promptly bent to madial wall 86 lateral bendings of arm 55.Like this; Utilization is with leading section 93e; The inside sidewall 86 side Bending Processing of 93f; Can prolong up and the 93B of portion and each the leading section 93e that the 93C of portion is prolonged in the below, 93f is last to be guaranteed the plane that contacts with the upper wall 107 and the diapire 108 of arm 55 can improve the accuracy of positioning up and down with respect to the washer body 93 of arm 55.
Therefore, when inserting chain adjuster 63 in the arm 55, the through hole 93a of washer portion 93 and the bolt insertion hole 94a precision of the axle collar 94 are matched well with slotted hole 105, can axletree 57 successfully be assembled.
Like above Fig. 1～shown in Figure 3; Possess teeter be installed on vehicle body frames 11 or driving engine 22 freely and offer the rocking arm 24 of the slotted hole 105 of axletree 57 break-through that make trailing wheel 58 usefulness, the end cap 91 that the open rearward end of this rocking arm 24 is blocked in rearward end, with the propulsive effort of driving engine 22 sides to drive chain 62 that trailing wheel 58 transmits, through the position of axletree 57 being adjusted on fore-and-aft direction in the two-wheeled motor vehicle 10 with the chain adjuster 63 of the tension adjustment of drive chain 62; Chain adjuster 63; By as the adjustable bolt 92 of the plus-minus screw that disposes with the mode that end cap 91 is connected, be installed on the front end of this adjustable bolt 92 and offer the flat washer portion 93 of the through hole 93a that axletree 57 connected, the axle collar 94 that is installed on as the medial surface 93b of the side of washer portion 93 with bolt insertion hole 94a and the coaxial mode of through hole 93a is constituted; Because washer portion 93 disposes with the mode of the slotted hole 105 in the overall width direction outside being blocked from the inboard in the inside of rocking arm 24; So can make dust; Rainwater, mud etc. are difficult to enter into rocking arm 24 inside from slotted hole 105, can improve aesthetic appearance simultaneously; And then; Through with chain adjuster 63 as by adjustable bolt 92, the parts of the one that the washer portion 93 and the axle collar 94 are constituted can make the assembleability of the axletree 57 of trailing wheel 58 usefulness improve.
And, like Fig. 2～shown in Figure 4, because rocking arm 24 possesses the arm 55 in the pair of right and left of two sides of trailing wheel 58 configuration; 55, adjustable bolt 92 to be disposing with respect to the middle mind-set overall width direction outside out-of-position mode as the outer wide W1 of the width of arm 55, the lateral surface 93c of the face of facing at the conduct and the slotted hole 105 outside the overall width direction of washer portion 93; The scale 93h of expression adjustment amount is set; 93j so can adjustable bolt 92 and washer portion 93 be formed simple shape, promptly there is no need adjustable bolt 92 bendings; The liner etc. of perhaps packing into betwixt; And because chain adjuster 63 be the non-symmetrical shape in the left and right sides, and since only with the overall width direction outside the lateral surface 93c that faces of slotted hole 105 on scale 93h is arranged, 93j; If therefore assembling just can not be carried out the tension adjustment of drive chain 62 inadequately, so can utilize simple structure to prevent wrong assembling.
And then, like Fig. 3～shown in Figure 5, because washer portion 93; Prolong by the washer body 93A of laterally-elongated, from the top that the central part of this washer body 93A extends up and down and the 93B of portion and below and prolong the 93C of portion and constitute; Washer body 93A covers slotted hole 105 from the inboard of arm 55, the top prolongs the 93B of portion and below and prolong and the 93C of portion; Through making leading section 93e separately; The upper wall 107 of 93f and arm 55 and diapire 108 contact the location up and down of carrying out washer portion 93, so can seek the miniaturization of washer portion 93, lightweight through washer portion 93 is formed cross shape, prolong the 93B of portion and below and prolong and the 93C of portion through the top simultaneously; When washer portion 93 is inserted in arm 55 and assembled, can assemble easily.
And; In this embodiment; As shown in Figure 3, with washer portion 93, dispose with the mode of the slotted hole 105 in the overall width direction outside being blocked from the inboard in the inside of rocking arm 24; But; Also can other washer portion be installed on the end face of inboard of the axle collar 94 of chain adjuster 63, two washer portion 93 are disposed with the mode of the slotted hole 105 in the overall width direction outside being blocked from the inboard in the inside of rocking arm 24, the mode of blocking from the inboard with the slotted hole 105 that the overall width direction is inboard in the inside of rocking arm 24 simultaneously disposes.
Therefore, can make dust, rainwater, mud etc. are difficult to enter into from slotted hole 105 inside of rocking arm 24 more.
And, as shown in Figure 1, rocking arm 24 is waved the pivot plate 14 that is installed on formation vehicle body frames 11 freely, but be not limited to this, also can rocking arm 24 be waved the rear portion that is installed on driving engine 22 freely, i.e. the rear portion of crankcase 36.
The possibility of utilizing in the industry
Chain adjuster of the present invention is applicable to two-wheeled motor vehicle.
Claims (1)
1. chain adjuster for two-wheeled motorcycle; Possess teeter be installed on freely vehicle body or driving engine and rearward end offer make trailing wheel with the rocking arm of the slotted hole of axletree break-through, the end cap that the open rearward end of this rocking arm is blocked, with the propulsive effort of said engine side to the drive chain of said trailing wheel transmission, utilize and the position of said axletree adjusted on fore-and-aft direction and in the two-wheeled motor vehicle with the chain adjuster of the tension adjustment of said drive chain; It is characterized in that
Said chain adjuster; By the plus-minus screw that disposes with the mode that said end cap is connected, be installed on the front end of this plus-minus screw and offer the flat washer portion of the through hole that said axletree connected, the axle collar that is installed on the side of said washer portion coaxially with said through hole constituted
Said washer portion disposes with the mode of the said slotted hole in the overall width direction outside being blocked from the inboard in the inside of said rocking arm,
Said rocking arm possesses the arm of the pair of right and left of configuration in two sides of said trailing wheel, and said plus-minus screw disposes with the middle mind-set overall width direction outside out-of-position mode with respect to the width of said arm,
Said washer portion; Prolong by the washer body of laterally-elongated, from the top that the central part of this washer body extends up and down and portion and below and prolong portion and constitute; Said washer body; Said slotted hole is covered from the inboard of said arm, and the top prolongs portion and below and prolong and portion, upper wall through making separately leading section and said arm and diapire contact carry out washer portion about the location.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008053634 | 2008-03-04 | ||
| JP2008-053634 | 2008-03-04 | ||
| JP2008053634A JP2009208618A (en) | 2008-03-04 | 2008-03-04 | Chain adjuster for motorcycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101525033A CN101525033A (en) | 2009-09-09 |
| CN101525033B true CN101525033B (en) | 2012-01-11 |
Family
ID=41093141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100046220A Active CN101525033B (en) | 2008-03-04 | 2009-03-02 | Chain adjuster for two-wheeled motorcycle |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2009208618A (en) |
| CN (1) | CN101525033B (en) |
| BR (1) | BRPI0900902A2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5715486B2 (en) * | 2011-05-18 | 2015-05-07 | 本田技研工業株式会社 | Motorcycle chain adjuster structure |
| CN103482013B (en) * | 2013-09-30 | 2017-02-15 | 浙江长江机械有限公司 | Chain tension adjusting mechanism of motorcycle |
| CN104275986A (en) * | 2014-09-10 | 2015-01-14 | 重庆隆鑫机车有限公司 | Rear wheel structure assembly of motorcycle and motorcycle |
| CN113906864B (en) * | 2021-10-21 | 2023-07-25 | 宁波市鄞州区农业技术推广站 | Fritillary bulb planting pit excavating device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533056Y (en) * | 2002-04-15 | 2003-01-29 | 重庆宗申技术开发研究有限公司 | Chain tension device for motorcycle |
| CN2661565Y (en) * | 2003-10-18 | 2004-12-08 | 重庆宗申技术开发研究有限公司 | Motorcycle chain adjusting device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59109594U (en) * | 1983-01-14 | 1984-07-24 | 本田技研工業株式会社 | Chain adjuster |
| JPS6348692U (en) * | 1986-09-19 | 1988-04-02 | ||
| JPH01130897U (en) * | 1988-03-03 | 1989-09-06 | ||
| JPH0716555Y2 (en) * | 1988-07-21 | 1995-04-19 | スズキ株式会社 | Motorcycle chain adjuster |
| JPH04122291U (en) * | 1991-04-17 | 1992-11-02 | スズキ株式会社 | Motorcycle rear axle |
| JPH08119174A (en) * | 1994-10-27 | 1996-05-14 | Suzuki Motor Corp | Rear axle support structure for two-wheeler |
-
2008
- 2008-03-04 JP JP2008053634A patent/JP2009208618A/en active Pending
-
2009
- 2009-03-02 CN CN2009100046220A patent/CN101525033B/en active Active
- 2009-03-04 BR BRPI0900902 patent/BRPI0900902A2/en not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533056Y (en) * | 2002-04-15 | 2003-01-29 | 重庆宗申技术开发研究有限公司 | Chain tension device for motorcycle |
| CN2661565Y (en) * | 2003-10-18 | 2004-12-08 | 重庆宗申技术开发研究有限公司 | Motorcycle chain adjusting device |
Non-Patent Citations (3)
| Title |
|---|
| JP特开平5-105179A 1993.04.27 |
| JP特开平7-267168A 1995.10.17 |
| JP特开平8-91279A 1996.04.09 |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0900902A2 (en) | 2010-01-26 |
| CN101525033A (en) | 2009-09-09 |
| JP2009208618A (en) | 2009-09-17 |
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| GR01 | Patent grant |