CN2130758Y - Bidirectional inertia boosting brake - Google Patents
Bidirectional inertia boosting brake Download PDFInfo
- Publication number
- CN2130758Y CN2130758Y CN 92222878 CN92222878U CN2130758Y CN 2130758 Y CN2130758 Y CN 2130758Y CN 92222878 CN92222878 CN 92222878 CN 92222878 U CN92222878 U CN 92222878U CN 2130758 Y CN2130758 Y CN 2130758Y
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- chela
- cone
- brake
- control arm
- aid
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Abstract
The utility model relates to a bidirectional inertia boosting brake for a bicycle, which is characterized in that pincers jaws are arranged on two symmetrical shaft holes on both wings of a brake rack body through two hinged fork heads provided with shaft handles; the pincers jaws have a clamping and holding function and can swing forwards and backwards by making use of pin shafts of the fork heads. Traditional braking blocks are arranged in the pincers jaws from arm ends. Manipulation force arms are provided with climbing rollers and cut towards the valley bottom of a pair cone type roller climbing ramp roll which leans against the position of a fixed bolt of the brake rack from the upper part. The pincers jaws are manipulated by a brake line. The utility model can carry out clamping and holding, and braking operation, and moreover, the pincers jaws can be driven by frictional force to swing forwards or backwards whether a wheel moves forwards or slides reversely so as to increase the braking force by making use of the climb of the roller.
Description
The utility model is a kind of brake device with aid of two direction inertia forces of bicycle use.Existing pincerlike lock is made up of direct operated leverage of brake cable and Bringing-back mechanism.Chinese patent CN1052636A discloses a kind of hinge that utilizes and has been the inertial booster mechanism that the angle of cut is arranged, it only is the benefit with wheel working direction power brake, and bicycle to exist during back skating backward not only can not laborsavingly be the weak point of destruction deceleration and stopping performance on the contrary.
The utility model purpose is to provide on two axis holes that are installed in lock support body both wings symmetry between the hinged jaw of a kind of chela by two tape spool handles that be arranged in parallel, the existing clamping brake function of chela utilizes jaw bearing pin and footstalk line of centers to be the relation of 90 ° of angles of cut again, makes the swing of two chela in-planes energy.Chela is adorned traditional brake shoes from the arm end, in lock frame bolt of rear end plate position, be provided with the cone type ramp is rolled, left and right sides chela control arm in opposite directions from above tangent line extend to the climbing roller established in the position of cone the lowest point, can drive chela by friction force and swing forward or backward, and then utilize the climbing roller principle to increase brake weight.The line chela that declutches resets by the reduction torsion spring of two symmetries.The brake equipment of this principle can be designed to the pincerlike lock of two direction inertia power-assisted of horizontal guy, the pincerlike lock of the two direction inertia power-assisted of backguy in also can being designed to.It is rational in infrastructure, braking is laborsaving, sensitive, reliable and no matter realized that bicycle moves ahead or back skating can both be used inertial booster and free control brake weight size.It can be widely used on the various bicycles such as coventional type car, Gran turismo, mountain bike.
In order to achieve the above object, one of concrete solution of the utility model, the moving fulcrum of two chelas is to be installed on two axis holes of the decurved lock support body of crescent both wings symmetry between hinged jaw by two tape spool handles that be arranged in parallel about being, make chela existing, again because jaw bearing pin axis and footstalk are 90 ° relation by footstalk tool clamping brake function.The swing of two chela energy, chela is adorned traditional brake shoes from the arm end.In the chela arm of force one side, it is the non-cone type ramp is rolled from the locking angle that the position of dress lock frame bolt of rear end plate is provided with a relatively-stationary semi-cone angle, the control arm of left and right sides chela is more than moving fulcrum, hand in opposite directions the top, the lowest point of cone is tangentially extended, its position that relies on the cone the lowest point is provided with the climbing roller, the control arm of right chela is from being provided with more than the climbing roller position, making it be folded to horizon elevation angle is extending between 10-20 ° beyond the lock frame left margin, the control arm end dress brake cable check screw of right chela, the control arm of left side chela then self-chambering climbing roller position not lockage frame line of centers promptly change into and extending upward, and in-plane is bent into spill, avoids right chela and extends the control arm of coming.End its height of dress brake cable governing screw of the control arm of left side chela is identical with right chela control arm.Chela is handled by brake cable, jaw with the tape spool handle is a moving fulcrum, chela is then oppressed the both sides of wheel steel ring in opposite directions from the brake shoes of arm end, two chelas drive lower swing at wheel friction force forward or backward, the chela band of swing that climbing roller on its control arm is at first eliminated because climbing roller that initial chela clamping steel ring occurs and the ramp gap between rolling, press to the cone that the cone type ramp is rolled on, no matter and then the principle of utilizing climbing roller is that bicycle moves ahead or the back skating both direction when realizing brake, all utilized the wheel inertia power-assisted to strengthen brake control power.The line that declutches, chela resets and removes brake by being enclosed within reduction torsion spring on the hinged jaw.Left side chela control arm is line of centers only, is that brake cable is crooked near vehicle body for convenience.The purpose of brake cable horizontal arrangement is to keep making the present invention all be able to any installation at men and women's bicycle and front and rear brake under the manipulation synchronization conditions of chela.
Second scheme is the pincerlike lock of two direction inertia power-assisted of backguy in becoming by this principle design.This scheme is compared below climbing roller mechanism identical with horizontal guy, only need more than control arm dress climbing roller, to make into symmetry alternately from the side of rolling on, cone type ramp is folded to level, and after mutually bending is dodged, extend near the lock frame edge, opposite, in the control arm end dress backguy and be equipped with traditional middle backguy annex such as the auxiliary fulcrum of brake cable, drag hook etc. promptly become in the two direction inertia power-assisted pincer lock of backguy.
Accompanying drawing 1 is the two direction inertia power-assisted lock shape integral structure and the scheme of installation of bicycle horizontal guy.This figure is the specification digest accompanying drawing.
Accompanying drawing 2 is schematic side view of the pincerlike lock of two direction inertia power-assisted.
Accompanying drawing 3 is schematic top plan view of accompanying drawing 1.
Accompanying drawing 4 is axle side scheme drawings of A-A position assembly relation.
Accompanying drawing 5 is the pincerlike lock climbing roller of two direction inertia power-assisted position B-B generalized sections.
Accompanying drawing 6 is left chela axle side scheme drawings.
Accompanying drawing 7 is right chela axle side scheme drawings.
Accompanying drawing 8 is the pincerlike lock integral structure of two direction inertia power-assisted front views of middle backguy.
Chela (2) (3) is that jaw (4) (5) by the tape spool handle is installed on the lock support body (1) of meniscus shaped as can be seen from Figure 1, what be provided with adjustable eccentric in the line of centers lock frame bolt of rear end plate position more higher than moving fulcrum jaw (4) (5) rolls (6) to the cone type ramp, and (6) inside is rolled in the ramp the stepping steel ball elastic positioning machine structure that is provided with on the conical surface.Move handle (16) and can adjust the brake shoes gap easily, the control arm of left and right sides chela (2) (3) alternately from the top tangential direction lean against to the cone type ramp roll (6) position, the lowest point be equipped with the climbing roller (7), regulating handle (16) upward arrow indication, it is that cone off-centre forwards the top to that clockwise direction changes 180 °, and climbing roller is in the optimum position all the time in the time of can satisfying brake shoes greatest wear degree.Brake cable governing screw (10) only plays tension brake cable (9) at the utility model.The A-A hatching has showed that hinged jaw journal stirrup (29) (37) is located at the corner of chela from arm and control arm handing-over among the figure, the line of centers of bearing pin (11) and brake line of centers have an inclination angle, layout is for structural convenience like this, this and two chelas behind the clamping steel ring climbing roller motion chela constitute a kind of V-type track and require bearing pin to have an inclination angle to arrange consistent from arm, the climbing roller angle of adopting when designing with reference to brake, and consider that chela initially clamps the jaw footstalk and rotates factor, α angle the best is between 45 °-50 °.The jaw (4) (5) of tape spool handle can not change substantially itself during climbing roller like this, and this helps improving the driving efficiency of brake.Pin shaft hole (43) on bearing pin (11) and the jaw (4) (5) is that the pin shaft hole (30) (38) on interference fit and the chela journal stirrup (23) (37) is a free-running fit.Sequence number (13) is the brake cable check screw; Sequence number (15) is the signal steel ring; Sequence number (19) is the captive nut of brake shoes (8).
As can be seen from Figure 2, chela (2) (3) is to be contained on the jaw body (4) (5) of tape spool handle with bearing pin (11), sequence number (23) is the reduction torsion spring that is enclosed within jaw body (4) outside, and jaw body (4) (5) is to be installed in the axis hole (46) (47) on the lock support body (1) with axle grade (20) and bolt (21).Among the figure also clear find out to the cone type ramp roll (6) its axis and the chela plane perpendicular, be in the lowest point of the cone type ramp being rolled (6) at reset mode climbing roller (7).Sequence number among the figure (17) is that the lock frame is installed screw; Sequence number (14) is that saddle is installed; Sequence number (31) is the brake shoes mounting ear, and it and chela plane are 90 ° and reverse relation.The arrow indication is that the expression chela can swing towards the wheel movement direction for fulcrum around bearing pin (11) among the figure.Sequence number (32) (40) is the return spring shelves post on the chela; Sequence number (12) is the roller bearing pin.
The topology layout overlooked of the pincerlike lock of the two direction inertia power-assisted of horizontal guy as can be seen from Figure 3, the section of extending upward of the control arm of chela (2) has been done spill bending processing, extends through left with the control arm (34) of avoiding right chela (3).Find out among the figure that it is a platysome that lock support body (1) is overlooked, and lock support body (1) both wings are down meniscus shaped in front view.Can find out among the figure return spring (22) (23) dead end it pass aperture on the lock support body (1), the arrow indication is a signal cycle racing direction.All of chela (2) (3) are installed the back side that journal stirrups all are located at chela as can be seen in addition, and this just makes the front of chela keep smoothly attractive in appearance.
Assembly relation between chela (2) (3), jaw (4) (5) and the lock support body (1) as can be seen from Figure 4.The journal stirrup of chela (2) (3) is stuck in the prong (50) of jaw (4) (5), link to each other with bearing pin (11), and axis and bearing pin (11) are the footstalk (51) of the jaw (4) of the 90 ° of relations lock support body (1) of will packing into and go up in the parallel axis hole (46) (47), can freely rotate.Sequence number (42) is a negative thread, and return spring (22) (23) is enclosed within on the jaw (4) (5), and return spring dead end (44) is inserted in the hole, (48) (49) of lock support body (1).Left and right sides jaw (4) (5) is identical.Return spring (23) (22) is symmetrical, left return spring (23) be left-handed to, right return spring (22) be dextrorotation to.(44) be the return spring dead end.Sequence number (45) is a negative thread in the middle of the lock support body (1).
The B-B section of accompanying drawing 1 has clearly been represented the feature of the pincerlike lock climbing roller of two direction inertia power-assisted mechanism as can be seen from Figure 5.Semi-cone angle β is the climbing roller angle of non-self-locking, and β angle the best is between 35-40 °.It is that the mandrel head has screw thread (58) to rolling the mandrel (25) of (6) in the cone type ramp that the other end of hold-down bolt (17) is held concurrently.The centre is the cone boss (41) with flat side, is full screw thread as hold-down bolt one end, at first is tightened on the screw (45) of lock support body (1), and sequence number (14) is to cooperate the saddle that bicycle is installed to be needed; The axis hole that the cone type ramp is rolled (6) has certain degree of eccentricity for the axis of cone, its front end has the inner conical surface that matches with the upper conical step of mandrel (41), the ramp is rolled (6) free-running fit and is enclosed within on the mandrel (25), the ramp is rolled the stepping adjusting steel ball elasticity of (6) left end and is decided the inner conical surface (52) of mechanism by right-hand member, cap of abandoning (54) and steel ball (59) with corresponding male cone (strobilus masculinus), spring (60) and closure nut (24) are formed, the steel ball location ball-and-socket (53) that circumference uniform distribution is arranged on inner conical surface (52), its number is 6-8, on the male cone (strobilus masculinus) and the same diameter of ball-and-socket (53) of piecing together cap (54), the vertical conical surface has shock mount (60), the hole (55) of steel ball (59).Sequence number (56) is a negative thread, and (57) are nuts.(cap (54) is adjusted to appropriate gap, uses closure nut (24) locked then, and spanner handle (16) can utilize stepping adjusting steel ball elasticity to locate and adjust braking gap with piecing together in the assembling back.It is that to have utilized semi-cone angle θ be the critical angle (promptly being slightly larger than from the locking angle) that is bordering on self-locking that the utility model steel ball elasticity location is located on the conical surface, axial force when the chela sway roller is climbed makes the ramp roll (6) in type conical bench (41) or piece together on cap (54) male cone (strobilus masculinus) and have bigger friction force, it may be because torque that (6) adjustable eccentric occurs be rolled and displacement in the ramp can stop climbing roller reliably the time to add the steel ball detent force, and the operation that has guaranteed to adjust braking gap is very light.The θ angle is between 25-30 °.Sequence number (61) (62) is a dust-proof cushion.Sequence number (67) is a spanner hole.
The right as can be seen chela of accompanying drawing 7 (3) climb certainly following structure of roller journal stirrup (35) and left chela symmetry, only direction is opposite, different is control arm (34) more than journal stirrup (35) to inflection, be elevation angle 10-20 ° and extend to beyond the lock frame edge, the left side, the brake cable fixed screw holes (39) that its control arm end is flat side.Sequence number among the figure (36) is a climbing roller pin axis hole; (38) be hinged journal stirrup pin shaft hole; (40) be return spring shelves posts; Sequence number (18) is the brake shoes regulating tank.
Accompanying drawing 8 can know find out in the pincerlike lock of two direction inertia power-assisted of backguy and the pincerlike lock of horizontal guy two direction inertia power-assisted that accompanying drawing 1 is showed only compare and to make near being folded to alternately the lock frame edge that extends horizontally to the opposite of symmetry more than the control arm climbing roller (7) into, brake cable (9) therefrom upwards draws realization to brake with equicrural triangle by drag hook (64) and middle backguy (63) indirectly.Sequence number among the figure (65) is the auxiliary fulcrum of brake cable, and it is fixed on the cycle frame.Sequence number (13) is the brake cable check screw; Sequence number (66) is middle backguy check screw.The advantage of this scheme is that more failure-free chela synchronism is arranged.But shortcoming is to have increased middle backguy (63) and the auxiliary fulcrum annexes such as (65) of brake cable.
Embodiment: what accompanying drawing 1 to 7 was showed is the most preferred embodiment that becomes the pincerlike lock of horizontal guy according to the brake device with aid of two direction inertia forces principle design.Chela (2) (3) is contained on the axis hole (46) (47) of the reclinate lock support body of crescent (1) both wings symmetry indirectly by the jaw (4) (5) of tape spool handle, climbing roller (7) on the chela control arm rolls the lowest point of (6) from what tangential direction leaned against lock frame bolt of rear end plate position to the cone type ramp, and the control arm of right chela (34) is climbed certainly and is extended across upwardly extending left chela control arm (33) more than the roller (7) left, this has just constituted a kind of shear mechanism, when removing the handle (16) that changes the classification steel ball elastic positioning machine structure that rolls in the ramp, adjust braking gap, and tension brake cable (9), make climbing roller mechanism be in the optimum position.The cyclist handles brake cable (9), chela is a rotating fulcrum with jaw footstalk (51), make brake shoes (8) press to the both sides of steel ring (15), at brake shoes with after the wheel steel ring contacts, no matter wheel moves ahead or retreats, must be subjected to the effect of friction force, driving chela (2) (3) is the rotating fulcrum swing with bearing pin (11), at first eliminate because initial the clamping moved the gap that the climbing roller (7) that occurs and ramp roll between (6) and pressed to a cone, if wheel movement, and handle brake cable and continue follow-up, just can utilize roller to roll in the ramp on (6) cone and climb, increase brake weight, until the braking equilibrium of forces.The size of braking force is relevant with size and the manual manipulation brake cable power of the semi-cone angle β of the cone that is used as laborsaving effect, therefore can arbitrarily control easily, and declutch line since β angle right and wrong from the locking angle, chela (2) (3) resets smoothly by reduction torsion spring (22) (23).
Fig. 8 is a most preferred embodiment of using the pincerlike lock of middle backguy inertial booster of brake device with aid of two direction inertia forces principle design one-tenth, climbing from control arm is rolled below (7) just the same with the pincerlike lock of the two direction inertia power-assisted of above-mentioned horizontal guy, only from also making chela control arm complete symmetrical structure in the left and right sides more than the climbing roller (7) of control arm into, (dodge) alternately control arm is folded near the edge that extends horizontally to opposite pincers lock through bending, and be equipped with the drag hook (64) of traditional middle backguy, brake cable is assisted fulcrum (65) and middle backguy (63), middle backguy check screw (66) etc., therefrom upwards draw with the equicrural triangle stress form and realize brake, its inertial booster effect fully and embodiment 1 elaboration identical.
Claims (10)
1, a kind of bicycle use brake device with aid of two direction inertia forces, it is characterized in that the hinged jaw (4) (5) of two chelas (2) (3) by two tape spool handles that be arranged in parallel, between be installed on two axis holes (46) (47) of support body (1) both wings symmetry, make the existing holding function of chela utilize the footstalk (51) of axis and jaw to be 90 ° jaw bearing pin (11) again, make the swing of two chelas energy, chela adorn traditional brake shoes (8) from the arm end, the chela arm of force one side is provided with in lock frame bolt of rear end plate position (6) is rolled in the cone type ramp, the end of rolling (6) in the ramp is provided with the braking gap adjusting mechanism of stepping steel ball elasticity location, the tangential extension above left and right sides chela control arm (33) (34) is handed in opposite directions to the lowest point of cone, its position that relies on the cone the lowest point is provided with climbing roller (7), right chela control arm (34) is from being provided with more than the climbing roller position, being folded to the about 10-20 of horizon elevation angle ° extends to beyond the lock frame left margin, right chela control arm (34) end dress brake cable check screw (13), the end dress brake cable governing screw (10) of the control arm (33) of left side chela, its height is identical with right chela control arm, chela is handled by brake cable (9), jaw (4) (5) with the tape spool handle is a moving fulcrum, chela is then oppressed the both sides of wheel steel ring (15) in opposite directions from the brake shoes (8) of arm end, two chelas drive lower swing at wheel friction force forward or backward, the chela (2) (3) of swing is at first eliminated the roller (7) that occurred by initial clamping and gap between (6) is rolled in the cone type ramp with the climbing roller (7) on its control arm (33) (34), press to a cone of the cone type ramp being rolled (6), and then utilize the principle of climbing roller, no matter when realizing brake is that bicycle moves ahead or the back skating both direction is all utilized the wheel inertia power-assisted, strengthen brake control power, the line (9) that declutches, chela (2) (3) reset by the reduction torsion spring (22) (23) on the hinged jaw (4) (5) that is enclosed within the tape spool handle and remove brake.
2, according to the described brake device with aid of two direction inertia forces of claim 1, it is characterized in that relative fixed on lock support body (1) that the plane that (6) its cone axis and chela (2) (3) constitute is rolled in the cone type ramp is perpendicular.
3, according to the described brake device with aid of two direction inertia forces of claim 1, it is characterized in that the semi-cone angle β right and wrong of cone that (6) be used for climbing roller are rolled from the locking angle in the cone type ramp, β angle the best is between 30 °-40 °.
4,, it is characterized in that it is eccentric the setting for cone axis that (6) its installation axle hole is rolled in the cone type ramp according to the described brake device with aid of two direction inertia forces of claim 1.
5, according to the described brake device with aid of two direction inertia forces of claim 1, it is characterized in that it is to roll the inner conical surface of (6) right-hand member (52) by being located at the ramp that the stepping adjusting steel ball elastic positioning machine structure that is used for the braking gap adjustment on (6) is rolled in the cone type ramp, assembly cap (54) and steel ball (59) with corresponding male cone (strobilus masculinus), spring (60) and jam nut (24) are formed, the steel ball location ball-and-socket (53) that circumference an ancient unit of weight cloth is arranged on inner conical surface (52), its quantity is 6-10, on the male cone (strobilus masculinus) and the same diameter of ball-and-socket (53) of piecing together cap (54), have perpendicular to this conical surface shock mount (60), the counterbore (55) of steel ball (59).
6, according to the described brake device with aid of two direction inertia forces of claim 1, the cone semi-cone angle θ that it is characterized in that being provided with steel ball elastic positioning machine structure is the critical angle that is bordering on self-locking, and θ angle the best is between 25 °-30 °.
7,, it is characterized in that (6) right-hand member outer rim is rolled in the cone type ramp is provided with the handle (16) that is used for the brake adjust the clearance according to the described brake device with aid of two direction inertia forces of claim 1.
8, according to the described brake device with aid of two direction inertia forces of claim 1, it is characterized in that chela (2) (3) reset mode, an inclined angle alpha is arranged between the axis of jaw bearing pin (11) and the brake line of centers, α the best is between 45 °-50 °.
9, according to the described brake device with aid of two direction inertia forces of claim 1, it is characterized in that hinged journal stirrup (29) (37) on the chela (2) (3) and control arm (33) (34) go up the journal stirrup (27) (35) of climbing roller, all be arranged on the back side of chela.
10, according to the described brake device with aid of two direction inertia forces of claim 1, when it is characterized in that to make the two direction inertia power-assisted pincer lock of middle backguy, only the control arm (33) (34) of two chelas (2) (3) need be climbed certainly changes near symmetrical being folded to alternately the lock frame edge that extends horizontally to the opposite more than the roller (7), span wire system manipulation during brake cable (9) can be carried out by auxiliary fulcrum (65), drag hook (64) and middle backguy (63) indirectly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92222878 CN2130758Y (en) | 1992-05-29 | 1992-05-29 | Bidirectional inertia boosting brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92222878 CN2130758Y (en) | 1992-05-29 | 1992-05-29 | Bidirectional inertia boosting brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2130758Y true CN2130758Y (en) | 1993-04-28 |
Family
ID=33768999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92222878 Expired - Fee Related CN2130758Y (en) | 1992-05-29 | 1992-05-29 | Bidirectional inertia boosting brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2130758Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935573A (en) * | 2012-03-19 | 2013-02-20 | 济南吉利汽车有限公司 | Pneumatic lock positioning rotary working table |
| WO2013033891A1 (en) * | 2011-09-06 | 2013-03-14 | Huang Zhenhua | Balance device of bicycle brake caliper |
| CN105478891A (en) * | 2015-12-23 | 2016-04-13 | 佛山欧亚特机械设备有限公司 | Double-end saw structure with any tilt angle |
| CN109210112A (en) * | 2017-07-07 | 2019-01-15 | 明鸿工业股份有限公司 | Automatic compensation device for free clearance of drum brake and rocker arm end compensation device |
| CN109577626A (en) * | 2018-11-29 | 2019-04-05 | 山西八建集团有限公司 | Sliding rack for assembling type steel structure construction |
| CN110843984A (en) * | 2018-12-07 | 2020-02-28 | 常州工程职业技术学院 | Man-machine combined balance car |
| CN111577793A (en) * | 2020-05-27 | 2020-08-25 | 云南夏远新能源发展有限责任公司 | New energy automobile stopper |
-
1992
- 1992-05-29 CN CN 92222878 patent/CN2130758Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013033891A1 (en) * | 2011-09-06 | 2013-03-14 | Huang Zhenhua | Balance device of bicycle brake caliper |
| CN102935573A (en) * | 2012-03-19 | 2013-02-20 | 济南吉利汽车有限公司 | Pneumatic lock positioning rotary working table |
| CN105478891A (en) * | 2015-12-23 | 2016-04-13 | 佛山欧亚特机械设备有限公司 | Double-end saw structure with any tilt angle |
| CN105478891B (en) * | 2015-12-23 | 2018-09-14 | 佛山欧亚特机械设备有限公司 | A kind of dual-end saw structure of any amplitude |
| CN109210112A (en) * | 2017-07-07 | 2019-01-15 | 明鸿工业股份有限公司 | Automatic compensation device for free clearance of drum brake and rocker arm end compensation device |
| CN109210112B (en) * | 2017-07-07 | 2020-02-18 | 明鸿工业股份有限公司 | Automatic compensation device for free clearance of drum brake and rocker arm end compensation device |
| CN109577626A (en) * | 2018-11-29 | 2019-04-05 | 山西八建集团有限公司 | Sliding rack for assembling type steel structure construction |
| CN109577626B (en) * | 2018-11-29 | 2021-03-26 | 山西八建集团有限公司 | Sliding frame for construction of assembled steel structure building |
| CN110843984A (en) * | 2018-12-07 | 2020-02-28 | 常州工程职业技术学院 | Man-machine combined balance car |
| CN111577793A (en) * | 2020-05-27 | 2020-08-25 | 云南夏远新能源发展有限责任公司 | New energy automobile stopper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |