CN201779192U - Automatic clearance adjusting arm for automobile brake - Google Patents
Automatic clearance adjusting arm for automobile brake Download PDFInfo
- Publication number
- CN201779192U CN201779192U CN2010202414278U CN201020241427U CN201779192U CN 201779192 U CN201779192 U CN 201779192U CN 2010202414278 U CN2010202414278 U CN 2010202414278U CN 201020241427 U CN201020241427 U CN 201020241427U CN 201779192 U CN201779192 U CN 201779192U
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- arm
- worm shaft
- automobile brake
- clutch cover
- worm
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Abstract
The utility model provides an automatic clearance adjusting arm for automobile brake, belongs to the technical field of automobiles, and solves the problems of complex structure and poor stability of a conventional automatic regulating arm. The automatic clearance regulating arm for automobile brake comprises a regulating arm body, a worm shaft, a worm gear, a worm, and a control board connected with the regulating arm body and rotating relative to the regulating arm body. The inner end of the worm shaft is fixedly connected with the worm; the outer end of the worm shaft is provided with a one-way clutch; the one-way clutch comprises a spring and a clutch sleeve provided with a groove; the spring is sleeved on the worm shaft, and two ends of the spring act on the clutch sleeve and the regulating arm body respectively; a swing stem is further arranged inside the regulating arm body; and one end of the swing stem is inlaid into the control board; and a bent-up stopping head at the other end of the swing stem sticks into the groove, and moves in the groove or drives the clutch sleeve to rotate. In the utility model, by adopting the structures and the connection methods of the one-way clutch, the swing stem and the worm gear, the automatic clearance adjusting arm for automobile brake has the advantages of simple structure, convenience for installation, good stability in use and accurate clearance regulation for automobile brake.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of adjustment arm, particularly a kind ofly can carry out self-adjusting arm for adjusting automobile brake clearance automatically to vehicle brake gap.
Background technique
Automobile is in when braking, generally is to utilize the frictional force that is produced when contacting between brake shoe and the brake drum to realize.In the process of driving, can contact friction continually between brake shoe and the brake drum, because abrasive action, the gap between brake shoe and the brake drum can abrasiveness become big, this can have influence on the automobile arrestment mechanism Security of travelling in the process of moving.In order to improve traveling security, in existing automobile braking mechanism, often be provided with automatic adjustment arm or hand regulation arm.These adjust arms can be to gap the compensating property adjustment that is increased because of the back of wearing and tearing between brake shoe and the brake drum, thereby makes brake clearance between the two can remain on a constant value, has improved the Security of automobile braking mechanism work.
In existing automatic adjustment arm, generally comprise parts such as housing, control unit, worm gear, worm screw, tooth bar, return spring, overrunning clutch.As existing notice of authorization CN 2690661Y, a kind of structure improved arm for adjusting automobile brake clearance automatically of the patent No. 200420020337.0: comprise a housing, in housing, be equipped with worm gear and with the worm screw of worm wheel, the end of worm screw is with overrunning clutch, control arm of socket and breach control panel on housing, it is characterized in that, described overrunning clutch comprises the clutch ring, gear and helical spring, the three all is socketed on the worm screw, clutch ring and gear are set up in parallel, helical spring is loaded in their endoporus, and its two ends are connected with clutch ring and gear respectively, inner side surface at the clutch ring has spline, and the position corresponding to the clutch ring on worm screw has the spline that is complementary with clutch ring spline; Be provided with a toothed rack in housing, the top of tooth bar is meshed with gear, and there is a turning lower end of tooth bar, and this turning is embedded in the breach of breach control panel.
The automatic adjustment arm of said structure, when break is keeping normal brake clearance: adjust arm this moment and do the braking swing, the turning of tooth bar does not have any moving relative to swing in the breach of breach control panel, be that tooth bar does not slide up and down, worm screw does not rotate with respect to worm gear, does not promptly do the adjustment of brake clearance; When break produced excessive gaps, along with the increasing of adjusting the arm angular displacement, the tooth bar turning was promoted upwards trace of slippage by the breach of breach control panel to the tooth bar turning in the final stage of braking, and just the rack drives gear rotates an angle; When braking is removed, adjust the original state that return spring that arm is braked air chamber is returned to air chamber, adjusting arm turns round gradually, when contacting and slippage downwards gradually with the tooth bar turning above the stage breach control panel breach to the end, be that tooth bar moves down and driven gear and angle of worm screw rotation, also just make worm gear and camshaft rotate an angle, thereby the automatic trace that reaches the braking excessive gaps is adjusted.
In use there are many defectives in the automatic adjustment arm of said structure:
1, because of frequent the contacting of breach both sides with tooth bar eight pin, wear extent can progressively increase, and the distance of idle stroke progressively increases during braking, finally causes tooth bar can't promote gear and rotates; In addition, spring can not guarantee that tooth bar can return to initial position, so the adjustment arm of this structure can't correctly compensate the gap width that is increased because of the back of wearing and tearing between brake shoe and the brake drum;
2, overrunning clutch adopts the structure of clutch cover, helical spring and gear, the fowl trap is connected with worm shaft by spline, and realize the one-way rotation of gear by helical spring, this overrunning clutch complex structure, be subjected to the less stable that influences of helical spring angular flexibility, can't guarantee the one-way clutch function of gear for a long time.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, and a kind of arm for adjusting automobile brake clearance automatically of simple in structure, good stability is provided.
The purpose of this utility model can realize by following technical proposal: a kind of arm for adjusting automobile brake clearance automatically, comprise the adjustment arm body, be located at the worm shaft of adjusting in the arm body, intermeshing worm gear and worm screw and be connected the control panel of adjusting on the arm body, described adjustment arm body can rotate relative to control panel, described worm shaft the inner is located in the worm screw and is connected with worm screw, it is characterized in that, the outer end of described worm shaft is provided with overrunning clutch, described overrunning clutch comprises the clutch cover of spring and tubular, described clutch cover excircle is provided with groove, described clutch cover be enclosed within on the worm shaft and the end face of clutch cover and worm shaft between be provided with the one-way clutch structure, described spring housing is on worm shaft, and its two ends act on clutch cover respectively and adjust on the arm body; Also be provided with a fork in the described adjustment arm body, one end of described fork is embedded on the control panel, the other end has the retaining head that bends up, described retaining head extend in the groove of clutch cover and has the gap between the clutch cover, when adjusting arm body when control panel rotates, described retaining head can move or drive clutch cover and rotate in groove.
Control panel in the arm for adjusting automobile brake clearance automatically of the present utility model is connected on the vehicle body, and the worm gear of adjusting arm is connected on the camshaft.On worm shaft, by the one-way clutch structure, clutch cover can rotate or rotate synchronously with worm shaft clutch cover relative to worm shaft by the spring roof pressure.One end of fork is embedded on the control panel and can rotates relative to control panel, and the other end is positioned at the groove of clutch cover.In braking process: when having normal gap between brake shoe and the brake drum, adjust arm and rotate relative to control panel, this moment, fork rotated, and a retaining straight line moves the drive clutch cover and rotates, and rotated but clutch cover can not drive worm shaft.When the gap of brake shoe and brake drum become greater to a rating value because of wearing and tearing, adjust arm under the situation of normal brake application gap rotation angle, turn over an angle again, this moment, fork also rotated again, the retaining head upwards moves in groove, and the roof pressure clutch cover, and the clutch cover pressure spring moves along worm shaft is inner, circumferentially by with worm shaft between the one-way clutch structure rotates relative to worm shaft, but clutch cover does not drive the worm shaft rotation; When braking force is cancelled, adjust the relative control panel revolution of arm, this moment, fork also turned round, the retaining head moves down in groove, and finally promote clutch cover by the rotation of one-way clutch structure drive worm shaft, worm screw is rotated an angle, also makes worm gear and camshaft rotate an angular displacement, thereby reaches the automatic adjustment of braking excessive gaps.
In above-mentioned arm for adjusting automobile brake clearance automatically, the outer end of described worm shaft has convex shoulder, and an end face of above-mentioned clutch cover can lean on convex shoulder.
In above-mentioned arm for adjusting automobile brake clearance automatically, described one-way clutch structure comprises on clutch cover one end face unidirectional tooth two that distributes ringwise on the convex shoulder of the unidirectional tooth one that distributes ringwise and worm shaft, described unidirectional tooth one can with unidirectional tooth two engagements.
The one-way clutch structure is unidirectional tooth two on the worm shaft convex shoulder and the unidirectional tooth one on the clutch cover end face, and the one-way performance when clutch cover cooperates with unidirectional tooth two by unidirectional tooth one is freely rotated relative to worm shaft, perhaps drives worm shaft and rotates synchronously.
In above-mentioned arm for adjusting automobile brake clearance automatically, offer opening slot on the described control panel, an end of described fork has the plush copper that can cooperate with opening slot, and described plush copper is arranged in the opening slot and can rotates in opening slot.The size of plush copper is greater than other size of the fork that links to each other, can rotate the relative control panel of fork energy is swung thereby plush copper is positioned at opening slot.
In above-mentioned arm for adjusting automobile brake clearance automatically, described opening slot has the inner side surface of arc, offer the opening that runs through inner side surface at the opening slot place, described plush copper has the outer side surface of arc, described fork stretches into opening, and the outer side surface of its plush copper cooperates formation to be rotationally connected with the inner side surface of opening slot.This structure can be swung fork in the scope of opening.
In above-mentioned arm for adjusting automobile brake clearance automatically, described opening is less than 1/2nd circular arcs.This is provided with and can prevents that plush copper from skidding off from the opening of opening slot.
In above-mentioned arm for adjusting automobile brake clearance automatically, has the retaining edge on the edge of described control panel.When adjusting the arm rotation, retaining is adjusted on the arm body along being resisted against, and retaining is continued to use in limiting and adjusted the angle that arm rotates around control panel.
In above-mentioned arm for adjusting automobile brake clearance automatically, be fixed with split ring in the described adjustment arm body, described worm shaft is arranged in the split ring, and circumferentially is rotationally connected with the split ring axial restraint.Split ring is fixedlyed connected with the adjustment arm, and split ring is axially also fixedlyed connected with worm shaft, thereby has limited moving axially of worm shaft.
In above-mentioned arm for adjusting automobile brake clearance automatically, described worm shaft and worm screw interference fit.This structure makes the not relative worm shaft of worm screw do axial motion, has reduced the distance of idle stroke.
In above-mentioned arm for adjusting automobile brake clearance automatically, offer three grooves on the described clutch cover, described three grooves have different groove widths.The needs of idle stroke size when this is provided with satisfied brake, required idle stroke is bigger, selects the groove of broad when then installing for use; Required idle stroke is less, selects narrower groove when then installing for use.
Compared with prior art, arm for adjusting automobile brake clearance automatically of the present utility model has the following advantages:
1, in the utility model fork and control panel are arranged to hinged structure, fork and clutch cover are arranged to separable structure, have not only avoided existing adjustment arm to adopt the existing defective of rack structure, and have simplified the structure, reduced cost;
2, overrunning clutch rotates synchronously for directly realizing one-way rotation or drive worm shaft by the unidirectional tooth between clutch cover and the worm shaft, and is simple in structure, easy to process, one-way clutch function-stable in the use;
3, worm screw and worm shaft close-fitting merga pass split ring have limited worm shaft and moved axially, and have reduced the distance of idle stroke, and be simple in structure, easy for installation.
Description of drawings
Fig. 1 is the part section structural representation of this arm for adjusting automobile brake clearance automatically.
Fig. 2 is the cross-sectional view of A-A among this arm for adjusting automobile brake clearance automatically Fig. 1.
Fig. 3 is the structural representation of fork in this arm for adjusting automobile brake clearance automatically
Fig. 4 is the left view of Fig. 3 in this arm for adjusting automobile brake clearance automatically.
Fig. 5 is the structural representation of worm shaft in this arm for adjusting automobile brake clearance automatically.
Fig. 6 is the cross-sectional view of clutch cover in this arm for adjusting automobile brake clearance automatically.
Fig. 7 is the cross-sectional view of B-B among this arm for adjusting automobile brake clearance automatically Fig. 2.
Fig. 8 is the structural representation when control panel is connected with cover plate in this arm for adjusting automobile brake clearance automatically.
Among the figure, adjust arm body 1, receiving cavity 11, worm shaft 2, convex shoulder 21, unidirectional tooth 2 22, worm gear 3, worm screw 4, control panel 5, setting sleeve 51, upper overturning 51a, down flange 51b, convex edge 51c, backing plate 52, opening slot 52a, opening 52b, inner side surface 52c, retaining along 53, support 6, clutch cover 7, unidirectional tooth 1, groove 72, spring 8, fork 9, plush copper 91, breach 91a, outer side surface 91b, retaining 92, pad 100, split ring 101, cover plate 102, screw 103.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1 and Figure 2, arm for adjusting automobile brake clearance automatically of the present utility model comprises adjustment arm body 1, cover plate 102, worm shaft 2, worm screw 4, worm gear 3, overrunning clutch, control panel 5, fork 9, pad 100 and split ring 101.
Adjust arm body 1 and have the cavity that holds worm shaft 2, worm screw 4 and worm gear 3, worm shaft 2, worm screw 4 and worm gear 3 are arranged in the cavity of adjusting arm body 1.As shown in Figure 5, the outer end of worm shaft 2 has convex shoulder 21, and convex shoulder 21 is provided with the unidirectional tooth 2 22 that distributes ringwise.The inner of worm shaft 2 is located in the worm screw 4 fixedlys connected with worm screw 4, and the worm shaft 2 in the utility model and worm screw 4 are fixedlyed connected by interference fit, and worm screw 4 worm gear 3 interior with being arranged on adjustment arm body 1 meshes.
As Fig. 2, Fig. 5, Fig. 6 and shown in Figure 7, overrunning clutch comprises clutch cover 7 and the spring 8 that all is enclosed within on the worm shaft 2.Have three grooves 72 on clutch cover 7 outer peripheral surfaces of tubular, these three grooves 72 run through an end face of clutch cover 7, and three grooves 72 have different groove widths.The needs of the groove 72 that three different groove widths are set idle stroke size when satisfying brake: required idle stroke is bigger, selects the groove 72 of broad when then installing for use; Required idle stroke is less, selects narrower groove 72 when then installing for use; Have the unidirectional tooth 1 that distributes ringwise on the other end of clutch cover 7, this unidirectional tooth 1 can cooperate with the unidirectional tooth 2 22 on the worm shaft 2, and unidirectional tooth 1 in the utility model and unidirectional tooth 2 22 all have 20 teeth.Pad 100 and split ring 101 are enclosed within on the worm shaft 2, and clutch cover 7, spring 8, pad 100 and split ring 101 are provided with successively inward from the outer end of worm shaft 2.Spring 8 one ends lean on the end face of clutch cover 7, and the other end leans on pad 100, and the spring 8 in the utility model is a pressure spring.Split ring 101 is arranged on pad 100 and adjusts between the arm body 1, four angle roof pressures in its outside are fixedlyed connected with adjustment arm body 1 on adjustment arm body 1, the inboard is clamped in and is used to limit worm shaft 2 on the screw axis and moves axially, thereby make worm screw 4 axial motion can not take place, reduce the distance of idle stroke.
As Fig. 1 and shown in Figure 8, cover plate 102 is fixed on by screw 103 and adjusts on the arm body 1, and control panel 5 is connected with cover plate 102.Control panel 5 in the utility model comprises setting sleeve 51, backing plate 52 and support 6, and the setting sleeve 51 of ring-type has upper overturning 51a and following flange 51b.All has through hole on cover plate 102, backing plate 52 and the support 6, cover plate 102, backing plate 52 and support 6 are enclosed within on the setting sleeve 51, cover plate 102 is between backing plate 52 and support 6, the upper overturning 51a roof pressure of setting sleeve 51 is fixedlyed connected with support 6 on support 6, following flange 51b leans on backing plate 52 and is connected by bearing pin and backing plate 52, following flange 51b and backing plate 52 have outstanding laterally retaining along 53, and bearing pin is arranged on retaining along on 53, and cover plate 102 energy relative positioning covers 51, backing plate 52 and support 6 threes rotate.On backing plate 52, be provided with opening slot 52a, opening slot 52a has the inner side surface 52c of arc, opening slot 52a has the opening 52b that runs through inner side surface 52c, and the opening 52b in the utility model has the convex edge 51c that extend into arc opening groove 52a on the flange 51b down less than 1/2nd circular arcs.
As Fig. 1, Fig. 3 and shown in Figure 4, one end of fork 9 has plush copper 91, has breach 91a on one end face of plush copper 91, plush copper 91 has the outer side surface 91b of arc, the size of plush copper 91 is greater than other size of the fork 9 that links to each other, plush copper 91 stretches into its outer side surface of opening 52b 91b and cooperates formation to be rotationally connected with the inner side surface 52c of opening slot 52a, and convex edge 51c is arranged on the breach 91a place of plush copper 91.Plush copper 91 is positioned at the opening slot 52a less than the opening 52b of 1/2nd circular arcs, makes that plush copper 91 can not thrown off from opening 52b when rotating, and the opening 52b size of opening slot 52a has also limited the rotation angle of fork 9 in addition; Convex edge 51c on the setting sleeve 51 and cover plate 102 have limited plush copper 91 axially skidding off from opening slot 52a again.The other end of fork 9 has the retaining that bends up 92, retaining 92 is arranged on a groove 72 of clutch cover 7, retaining 92 has the gap with groove 72, and when retaining 92 a roof pressure clutch cover 7 rotated, retaining 92 can skid off groove 72 and be positioned at and adjust the default receiving cavity 11 of arm body 1.
Retaining is arranged in the cavity of the adjustment arm body 1 that is used for holding worm screw 4 usefulness along 53, and when adjusting arm and rotate, retaining is swung in this cavity along 53, retaining along the scopes of 53 swings between two sidewalls adjusting arm body 1.Ultimate range was for to receiving cavity 11 positions when the retaining of fork 9 92 moved when the effect of this setting made and adjusts arm and rotate, and when retaining 92 is moved roof pressure to adjusting arm body 1, thereby influence is adjusted the working life of arm and is adjusted precision.
Support 6 in the arm for adjusting automobile brake clearance automatically of the present utility model is connected on the vehicle body, and the worm gear 3 of adjusting arm is connected on the camshaft.As shown in fig. 1, adjusting arm during braking is that the center rotates counterclockwise with the shaft axis of worm gear 3.When having normal gap between brake shoe and the brake drum: adjust arm and rotate counterclockwise the α angle, fork 9 rotates counterclockwise around control panel 5, the retaining of fork 9 92 moves up relative to groove 72 and promotes clutch cover 7 and rotate an angle, but rotation angle is less than 18 degree, and promptly clutch cover 7 does not have relative worm shaft 2 to slip over a tooth; When braking force is cancelled, to adjust arm and clockwise rotate, the retaining of fork 9 92 a relative groove 72 move down, and this moment, fork 9 can not drive worm shaft 2 rotations by clutch cover 7.When the gap of brake shoe and brake drum become greater to a rating value because of wearing and tearing, adjusting arm needs under the situation of rotating the α angle, rotate counterclockwise an angle again, retaining on the fork 9 92 upper edge that promote grooves 72 make unidirectional tooth 2 22 slide relative of unidirectional tooth 1 with the worm shaft 2 of clutch cover 7 at this moment, clutch cover 7 roof pressure pressure springs move vertically, clutch cover 7 rotates an angle, rotation angle is greater than 18 degree, be that the relative worm shaft 2 of clutch cover turns over a tooth, this moment retaining 92 separates with clutch cover 7, retaining 92 is positioned at receiving cavity 11, and the unidirectional tooth 1 on the clutch cover 7 is in engagement again with the unidirectional tooth 2 22 on the worm shaft 2; When braking force is cancelled, adjusting arm turns round clockwise, the retaining of fork 9 92 a relative groove 72 move down and get back in the groove 72, clockwise rotate in the α angle at the adjustment arm, retaining 92 is all mobile groove 72 in, but the lower edge of roof pressure clutch cover 7 not, when rotating above the α angle, the lower edge of retaining 92 a roof pressure clutch cover 7, clutch cover 7 promotes the unidirectional tooth 22 of worm shaft 2 by unidirectional tooth 1, rotates synchronously with clutch cover 7 thereby drive worm shaft 2, and worm screw 4 and worm shaft 2 rotate together, also just make worm gear 3 and camshaft rotate an angle, thereby the automatic trace that reaches the braking excessive gaps is adjusted.
Although this paper used morely adjustment arm body 1, receiving cavity 11, worm shaft 2, convex shoulder 21, unidirectional tooth 2 22, worm gear 3, worm screw 4, control panel 5, setting sleeve 51, upper overturning 51a, down flange 51b, convex edge 51c, backing plate 52, opening slot 52a, opening 52b, inner side surface 52c, retaining along 53, terms such as support 6, clutch cover 7, unidirectional tooth 1, groove 72, spring 8, fork 9, plush copper 91, breach 91a, outer side surface 91b, retaining 92, pad 100, split ring 101, cover plate 102, screw 103, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (10)
1. arm for adjusting automobile brake clearance automatically, comprise and adjust arm body (1), be located at the worm shaft of adjusting in the arm body (1) (2), intermeshing worm gear (3) and worm screw (4) and be connected the control panel of adjusting on the arm body (1) (5), described adjustment arm body (1) can rotate relative to control panel (5), described worm shaft (2) the inner is located in the worm screw (4) and is connected with worm screw (4), it is characterized in that, the outer end of described worm shaft (2) is provided with overrunning clutch, described overrunning clutch comprises the clutch cover (7) of spring (8) and tubular, described clutch cover (7) excircle is provided with groove (72), described clutch cover (7) is enclosed within worm shaft (2) and upward and between the end face of clutch cover (7) and the worm shaft (2) is provided with the one-way clutch structure, described spring (8) is enclosed within on the worm shaft (2), and its two ends act on clutch cover (7) respectively and adjust on the arm body (1); Also be provided with a fork (9) in the described adjustment arm body (1), one end of described fork (9) is embedded on the control panel (5), the other end has the retaining head (92) that bends up, described retaining head (92) extend in the groove (72) of clutch cover (7) and has the gap between the clutch cover (7), when adjusting arm body (1) relative to control panel (5) when rotating, described retaining head (92) can move or drive clutch cover (7) rotation in groove (72).
2. arm for adjusting automobile brake clearance automatically according to claim 1 is characterized in that, the outer end of described worm shaft (2) has convex shoulder (21), and an end face of above-mentioned clutch cover (7) can lean on convex shoulder (21).
3. arm for adjusting automobile brake clearance automatically according to claim 2, it is characterized in that, described one-way clutch structure comprises on clutch cover (7) one end faces unidirectional tooth two (22) that distributes ringwise on the convex shoulder (21) of the unidirectional tooth one (71) that distributes ringwise and worm shaft (2), and described unidirectional tooth one (71) can mesh with unidirectional tooth two (22).
4. according to claim 1 or 2 or 3 described arm for adjusting automobile brake clearance automatically, it is characterized in that, offer opening slot (52a) on the described control panel (5), one end of described fork (9) has the plush copper (91) that can cooperate with opening slot (52a), and described plush copper (91) is arranged in the opening slot (52a) and can rotates in opening slot (52a).
5. arm for adjusting automobile brake clearance automatically according to claim 4, it is characterized in that, described opening slot (52a) has the inner side surface (52c) of arc, locate to offer the opening (52b) that runs through inner side surface (52c) at opening slot (52a), described plush copper (91) has the outer side surface (91b) of arc, described fork (9) stretches into opening (52b), and the outer side surface (91b) of plush copper (91) cooperates formation to be rotationally connected with the inner side surface (52c) of opening slot (52a).
6. arm for adjusting automobile brake clearance automatically according to claim 5 is characterized in that, described opening (52b) is less than 1/2nd circular arcs.
7. according to claim 1 or 2 or 3 described arm for adjusting automobile brake clearance automatically, it is characterized in that having retaining on the edge of described control panel (5) along (53).
8. according to claim 1 or 2 or 3 described arm for adjusting automobile brake clearance automatically, it is characterized in that, be fixed with split ring (101) in the described adjustment arm body (1), described worm shaft (2) is arranged in the split ring (101), and circumferentially is rotationally connected with split ring (101) axial restraint.
9. according to claim 1 or 2 or 3 described arm for adjusting automobile brake clearance automatically, it is characterized in that described worm shaft (2) and worm screw (4) interference fit.
10. according to claim 1 or 2 or 3 described arm for adjusting automobile brake clearance automatically, it is characterized in that offer three grooves (72) on the described clutch cover (7), described three grooves (72) have different groove widths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202414278U CN201779192U (en) | 2010-06-29 | 2010-06-29 | Automatic clearance adjusting arm for automobile brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202414278U CN201779192U (en) | 2010-06-29 | 2010-06-29 | Automatic clearance adjusting arm for automobile brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201779192U true CN201779192U (en) | 2011-03-30 |
Family
ID=43792404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202414278U Expired - Lifetime CN201779192U (en) | 2010-06-29 | 2010-06-29 | Automatic clearance adjusting arm for automobile brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201779192U (en) |
-
2010
- 2010-06-29 CN CN2010202414278U patent/CN201779192U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BPW (MEIZHOU) AXLE CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111011 Address after: 317602 Kanmen science and Technology Industrial Park, Taizhou, Zhejiang, China, Yuhuan County Co-patentee after: BPW (Meizhou) Axle Co., Ltd. Patentee after: Tianyuan Electromechanic Co., Ltd., Zhejiang Address before: 317602 Kanmen science and Technology Industrial Park, Taizhou, Zhejiang, China, Yuhuan County Patentee before: Tianyuan Electromechanic Co., Ltd., Zhejiang |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Xuan City Road Economic Development Zone in Zhejiang Province, Yuhuan City, No. 52, 317608 Co-patentee after: BPW (Meizhou) Axle Co., Ltd. Patentee after: Polytron Technologies Inc, Tianyuan, Zhejiang Address before: 317602 Kanmen science and Technology Industrial Park, Taizhou, Zhejiang, China, Yuhuan County Co-patentee before: BPW (Meizhou) Axle Co., Ltd. Patentee before: Tianyuan Electromechanic Co., Ltd., Zhejiang |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |