CN101797900A - Built-in inversion-stopping self-locking device of angle adjuster - Google Patents
Built-in inversion-stopping self-locking device of angle adjuster Download PDFInfo
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- CN101797900A CN101797900A CN 201010148193 CN201010148193A CN101797900A CN 101797900 A CN101797900 A CN 101797900A CN 201010148193 CN201010148193 CN 201010148193 CN 201010148193 A CN201010148193 A CN 201010148193A CN 101797900 A CN101797900 A CN 101797900A
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Abstract
The invention discloses a built-in inversion-stopping self-locking device of an angle adjuster, comprising a clinching spring (1), an internal spline shaft (2), a cuneatic arch (3), an internal toothed plate (4) and a tension spring (03). The invention adopts the following technical scheme: the clinching spring is arranged on the outer wall of a central axle of the internal toothed plate; the principle that the diameter of the clinching spring is expanded when the clinching spring is stressed opposite to the winding direction and the diameter is contracted when the clinching spring is stressed in the winding direction is adopted; when a convex plate of the internal spline shaft touches a horizontal arm of the clinching spring in the forward angle of the clinching spring, the clinching spring loosens the outer wall of the central axle, and when the cuneatic arch touches the horizontal arm of the clinching spring in the backward angle of the clinching spring, the clinching spring enclasps and locks the outer wall of the central axle, thus overcoming the defects of complex structure, high cost and extra occupation of the inside space in the prior art. The built-in inversion-stopping self-locking device ensures inversion-stopping self-locking of the angle adjuster to achieve the aims of simple and reliable structure, low cost and no extra occupation of the inside space.
Description
Technical field
The present invention relates to a kind of recliner of automotive seat, specifically be meant to be arranged on recliner inside, be used to control recliner causes a kind of recliner that angle changes because of running car rocks built-in inversion-stopping self-locking device.
Background technology
Angle regulator for automobile chair, press parallel-axis type " tooth is poor " epicyclic reduction gear principle, by Angle Modulation Motor or manually rotation, drive external tooth wheel plate engagement internal tooth wheel plate and do trochoid motion and obtain the big retarding ratio, the angle by internal tooth wheel plate and external tooth wheel plate changes the angular adjustment that realizes back of seat and cushion.
Rocking during running car, can make the external tooth wheel plate of recliner occur with the internal gear relative displacement walk phenomenon certainly, thereby the elevation angle that causes back of seat changes; The seat of taking, backrest can be swung back, and the unmanned seat of sitting is bowed before the backrest meeting; Make driver and crew swing back automatically and feel uncomfortable because of back of seat.Prior art adopts adds one by base outside recliner, torsion spring, and spline promotes ring, and the self-locking device of the non-return angle that rotating disk connects to form stops recliner to cause that because of running car rocks angle changes; That is, by the castellated shaft of rotation input end, recliner can be carried out angle modulation, rocks the external tooth wheel plate and the internal tooth wheel plate of mouth from the outside, then recliner self-locking; Because the complex structure of this device, volume is big, and cost height, and be attached to the outside of recliner must additionally take the interior space, and therefore, prior art exists complex structure, cost height, additionally takies the problems and shortcomings in space, compartment.
Summary of the invention
Problems and shortcomings at above-mentioned prior art existence, the present invention's employing is provided with one at the outer wall place of the axis of internal gear and turns round an armful spring, utilization is turned round and is embraced the contrary stressed expanded in diameter of coiling direction of spring, principle along the stressed diameter contraction of coiling direction, when the boss of female splined shaft from turning round in the suitable subtended angle of embracing spring, left-handed or dextrorotation touches turns round the horizontal arm of embracing spring, turns round an armful spring and unclamps the axis outer wall; When wedge shape is encircleed from turning round in the contrary subtended angle of embracing spring, left-handed or dextrorotation touches turns round the horizontal arm of embracing spring, then turn round and embrace the technical scheme that spring is held locking axis outer wall tightly, a kind of built-in inversion-stopping self-locking device of recliner is provided, be intended to by inversion-stopping self-locking device being built in the inside of recliner the purpose that makes the inversion-stopping self-locking of recliner reach simple and reliable for structure, with low cost, additionally not take the space, compartment.
The object of the present invention is achieved like this: a kind of built-in inversion-stopping self-locking device of recliner comprises turning round and embraces a spring, female splined shaft, wedge shape arch, internal gear, tension spring, wherein: describedly turn round that to embrace a spring be the tubular steel wire torsion spring of cylindrical screw; Turn round two terminations of embracing spring and outwards do the bending of horizontal right angle along the radial direction of cylindrical tube earlier, form one section overhanging horizontal arm, do the bending of vertical right angle along the axial direction of cylindrical tube again, form one section upright arm, wherein, the downward bending in termination, top, the bending that makes progress of termination, bottom; Turn round two terminations of embracing spring, establish, a termination is a head end, another termination is terminal, Mo Duan horizontal arm then, the central angle that folds along the horizontal arm projection of coiling direction and head end is called along subtended angle, and the central angle that the horizontal arm projection of contrary coiling direction and head end folds is called against subtended angle; Turn round an armful spring and unfolding tense, along the central angle of subtended angle greater than the boss of described female splined shaft, the outer wall bearing fit of the axis of internal diameter and described internal gear, external diameter is less than the cancave cambered surface diameter of described wedge shape arch; Turn round the axis height that the height of embracing spring is lower than described internal gear; Turning round the coiling steel wire of embracing spring, can be the flat cross section steel wire, or the round section steel wire;
Described female splined shaft is that partial metallurgy is made, and the center is provided with internal splined hole, and outer post jamb middle part is provided with the columnar shaft of overhanging shirt rim step; The bottom, shirt rim of female splined shaft is provided with a boss to the eccentric circular ring of lower convexity; Two folded central angles in side of boss are less than the described suitable subtended angle of embracing spring of turning round; The concave side radius of boss is greater than the described external diameter of embracing spring of turning round;
Described wedge shape arch is made the half slit bamboo or chopped wood butt crescent slide block that an end broad one end is narrower for partial metallurgy; The outside of wedge shape arch is a convex globoidal, and the inboard is a cancave cambered surface, and two sides are parallel plane up and down; The convex globoidal radius of wedge shape arch and the internal diameter bearing fit of axle sleeve, the cancave cambered surface radius of wedge shape arch and the described external diameter bearing fit of embracing spring of turning round; Wedge shape arch broad one end end face is provided with the groove of the vertical described tension spring of cooperation;
Described internal gear is for making the standard specification parts of the prior art recliner of following change to its fit dimension; The external diameter of internal gear axis and the described internal diameter bearing fit of embracing spring, the bottom post jamb external diameter bearing fit of the internal diameter of axis and described female splined shaft turned round;
The plane strain spring that described tension spring is made for Ω shape circle silk steel wire, two ends of tension spring are converted into elbow bend downwards.
Each parts mutual alignment and annexation
Outer tooth plate, internal gear be engagement up and down routinely; Turn round and embrace the outer wall that the axis of internal gear is inserted in spring slip downwards; The lower post of female splined shaft is axially inserted in the endoporus of axis down; The boss of female splined shaft is by the side noncontact clamping of two horizontal arms turning round armful spring from suitable subtended angle; The wide end of two wedge shapes arch is relative, and cancave cambered surface slides to be coated on and turns round the outside of embracing spring towards turning round the axle center of embracing spring, and sliding packs into is interference fitted in the axle sleeve in the outer tooth plate centre hole; Two ends of tension spring are stuck in the groove of two wedge shape arches.
The miscellaneous part of recliner: by connecting panel, seal cover cap, flap plate, outer tooth plate, axle sleeve, seat connecting panel, rivet is the standard specification parts of prior art recliner, and annexation all cooperates by conventional connection of prior art.
Principle of work
During application, be connected with the backrest of automotive seat by connecting panel, the seat connecting panel is connected with the cushion of automotive seat.
When using manually or driving the female splined shaft rotation with Angle Modulation Motor, the boss of female splined shaft is from turning round in the suitable subtended angle of embracing spring, no matter left-handed still dextrorotation pushing button is embraced the last horizontal arm of spring or is descended horizontal arm, turn round and embrace spring because of the contrary stressed expanded in diameter of coiling direction, turn round the inwall of embracing spring and unclamp the axis outer wall automatically, boss promotes to encircle the eccentric wheel rotational slide in axle sleeve that constitutes by two wedge shapes, drive of the internal tooth crop rotation epicyclic type rotation of the external gear of outer tooth plate around internal gear, change by the angle between connecting panel and the seat connecting panel, realize the angle modulation function;
Rocking when running car, act on the angle that changes by between connecting panel and the seat connecting panel, force outer tooth plate to occur when walking to move, the moving wedge shape arch of external tooth strip is from turning round in the contrary subtended angle of embracing spring, no matter left-handed still dextrorotation pushing button embrace the last horizontal arm of spring or horizontal arm down, turns round and embrace spring because of the stressed diameter contraction of suitable coiling direction, holds the axis of internal gear tightly locking automatically, what the wedge shape arch by contacting with horizontal arm stoped outer tooth plate walks motion, realization inversion-stopping self-locking function certainly.
Above-mentioned, the present invention's employing is provided with one at the outer wall place of the axis of internal gear and turns round an armful spring, utilization is turned round and is embraced the contrary stressed expanded in diameter of coiling direction of spring, principle along the stressed diameter contraction of coiling direction, when the boss of female splined shaft from turning round in the suitable subtended angle of embracing spring, left-handed or dextrorotation touches turns round the horizontal arm of embracing spring, turns round an armful spring and unclamps the axis outer wall; When wedge shape is encircleed from turning round in the contrary subtended angle of embracing spring, left-handed or dextrorotation touches turns round the horizontal arm of embracing spring, then turn round and embrace the technical scheme that spring is held locking axis outer wall tightly, having overcome prior art exists complex structure, cost height, additionally takies the problems and shortcomings in compartment space, the built-in inversion-stopping self-locking device of a kind of recliner that is provided, by inversion-stopping self-locking device being built in the inside of recliner, the purpose that makes the inversion-stopping self-locking of recliner reach simple and reliable for structure, with low cost, additionally not take the space, compartment.
Description of drawings
Fig. 1 is the structural representation of the built-in inversion-stopping self-locking device of a kind of recliner of the present invention;
Fig. 2 is the parts of the built-in inversion-stopping self-locking device of a kind of recliner of the present invention, and the axis of no-feathering of female splined shaft is surveyed scheme drawing;
Fig. 3 is the parts of the built-in inversion-stopping self-locking device of a kind of recliner of the present invention, and the axis of no-feathering of wedge shape arch, tension spring is surveyed scheme drawing;
Fig. 4 is the parts of the built-in inversion-stopping self-locking device of a kind of recliner of the present invention, turns round the axis of no-feathering of embracing spring and surveys scheme drawing;
Fig. 5 is the built-in inversion-stopping self-locking device of a kind of recliner of the present invention, is in the cross-sectional schematic of using the position in the recliner;
Fig. 6 is a kind of recliner of using the built-in inversion-stopping self-locking device of a kind of recliner of the present invention, and each parts axle is surveyed decomposing schematic representation.
Below in conjunction with the embodiment in the accompanying drawing the present invention is described in further detail, but should not be construed as any limitation of the invention.
Among the figure: turn round and embrace spring 1, suitable subtended angle α, contrary subtended angle β, female splined shaft 2, boss 21, wedge shape arch 3, internal gear 4, axis 41, lean on connecting panel 01, seal cover cap 02, tension spring 03, flap plate 04, outer tooth plate 05, axle sleeve 06, seat connecting panel 07, rivet 08.
The specific embodiment
Consult Fig. 1～Fig. 6, the built-in inversion-stopping self-locking device of a kind of recliner of the present invention comprises turning round and embraces spring 1, female splined shaft 2, wedge shape arch 3, internal gear 4, tension spring 03 that wherein: the described armful spring 1 of turning round is the tubular steel wire torsion spring of cylindrical screw; Turn round two terminations of embracing spring and outwards do the bending of horizontal right angle along the radial direction of cylindrical tube earlier, form one section overhanging horizontal arm, do the bending of vertical right angle along the axial direction of cylindrical tube again, form one section upright arm, wherein, the downward bending in termination, top, the bending that makes progress of termination, bottom; Turn round two terminations of embracing spring, establish, a termination is a head end, another termination is terminal, Mo Duan horizontal arm then, the central angle that folds along the horizontal arm projection of coiling direction and head end is called along subtended angle α, and the central angle that the horizontal arm projection of contrary coiling direction and head end folds is called against subtended angle β; Turn round an armful spring and unfolding tense, along the central angle of subtended angle α greater than the boss 21 of described female splined shaft 2, the outer wall bearing fit of the axis 41 of internal diameter and described internal gear 4, external diameter is less than the cancave cambered surface diameter of described wedge shape arch 3; Turn round axis 41 height that the height of embracing spring is lower than described internal gear 4; Turning round the coiling steel wire of embracing spring, can be the flat cross section steel wire, or the round section steel wire;
Described female splined shaft 2 is made for partial metallurgy, and the center is provided with internal splined hole, and outer post jamb middle part is provided with the columnar shaft of overhanging shirt rim step; The bottom, shirt rim of female splined shaft is provided with a boss 21 to the eccentric circular ring of lower convexity; Two folded central angles in side of boss 21 are less than the described suitable subtended angle α that embraces spring 1 that turns round; The concave side radius of boss 21 is greater than the described external diameter of embracing spring 1 of turning round;
Described wedge shape arch 3 is made the half slit bamboo or chopped wood butt crescent slide block that an end broad one end is narrower for partial metallurgy; The outside of wedge shape arch is a convex globoidal, and the inboard is a cancave cambered surface, and two sides are parallel plane up and down; The convex globoidal radius of wedge shape arch and the internal diameter bearing fit of axle sleeve 06, the cancave cambered surface radius of wedge shape arch and the described external diameter bearing fit of embracing spring 1 of turning round; Wedge shape arch broad one end end face is provided with the groove of the described tension spring 03 of vertical cooperation;
Described internal gear 4 is for making the standard specification parts of the prior art recliner of following change to its fit dimension; The external diameter of internal gear 4 axis 41 and the described internal diameter bearing fit of embracing spring 1, the bottom post jamb external diameter bearing fit of the internal diameter of axis 41 and described female splined shaft 2 turned round;
The plane strain spring that described tension spring 03 is made for Ω shape circle silk steel wire, two ends of tension spring are converted into elbow bend downwards.
Each parts mutual alignment and annexation
The miscellaneous part of recliner: by connecting panel 01, seal cover cap 02, flap plate 04, outer tooth plate 05, axle sleeve 06, seat connecting panel 07, rivet 08 is the standard specification parts of prior art recliner, and annexation all cooperates by conventional connection of prior art.
Principle of work
During application, be connected with the backrest of automotive seat by connecting panel 01, seat connecting panel 07 is connected with the cushion of automotive seat.
When using manually or driving female splined shaft 2 rotations with Angle Modulation Motor, the boss 21 of female splined shaft 2 is from turning round in the suitable subtended angle α that embraces spring 1, no matter left-handed still dextrorotation pushing button is embraced the last horizontal arm of spring 1 or is descended horizontal arm, turn round and embrace spring 1 because of the contrary stressed expanded in diameter of coiling direction, turn round the inwall of embracing spring 1 and unclamp axis 41 outer walls automatically, boss 21 promotes by 3 eccentric wheel that the constitutes rotational slides in axle sleeve 06 of two wedge shape arches, drive of the internal tooth crop rotation epicyclic type rotation of the external gear of outer tooth plate 05 around internal gear 4, change by the angle between connecting panel 01 and the seat connecting panel 07, realize the angle modulation function;
Rocking when running car, act on the angle that changes by between connecting panel 01 and the seat connecting panel 07, force outer tooth plate 05 to occur when walking to move, outer tooth plate 05 drives wedge shape arch 3 from turning round in the contrary subtended angle β that embraces spring 1, no matter left-handed still dextrorotation pushing button is embraced the last horizontal arm of spring 1 or is descended horizontal arm, turn round and embrace spring 1 because of shrinking along the stressed diameter of coiling direction, automatically hold the axis 41 of internal gear 4 tightly locking, what the wedge shape arch 3 by contacting with horizontal arm stoped outer tooth plate 05 walks motion, realization inversion-stopping self-locking function certainly.
Claims (2)
1. the built-in inversion-stopping self-locking device of a recliner, comprise turning round and embrace a spring (1), female splined shaft (2), wedge shape arch (3), internal gear (4), tension spring (03), it is characterized in that: describedly turn round that to embrace a spring (1) be the tubular steel wire torsion spring of cylindrical screw; Turn round two terminations of embracing spring and outwards do the bending of horizontal right angle along the radial direction of cylindrical tube earlier, form one section overhanging horizontal arm, do the bending of vertical right angle along the axial direction of cylindrical tube again, form one section upright arm, wherein, the downward bending in termination, top, the bending that makes progress of termination, bottom; Turn round two terminations of embracing spring, if, a termination is a head end, another termination is terminal, Mo Duan horizontal arm then, the central angle that the horizontal arm projection of suitable coiling direction and head end folds is called along subtended angle (α), and the central angle that the horizontal arm projection of contrary coiling direction and head end folds is called contrary subtended angle (β); Turn round an armful spring and unfolding tense, along the central angle of subtended angle (α) greater than the boss (21) of described female splined shaft (2), the outer wall bearing fit of the axis (41) of internal diameter and described internal gear (4), external diameter encircle the cancave cambered surface diameter of (3) less than described wedge shape; Turn round axis (41) that the height of embracing spring is lower than described internal gear (4) highly;
Described female splined shaft (2) is made for partial metallurgy, and the center is provided with internal splined hole, and outer post jamb middle part is provided with the columnar shaft of overhanging shirt rim step; The bottom, shirt rim of female splined shaft is provided with a boss to the eccentric circular ring of lower convexity (21); Two folded central angles in side of boss (21) are less than the described suitable subtended angle (α) of embracing spring (1) of turning round; The concave side radius of boss (21) is greater than the described external diameter of embracing spring (1) of turning round;
Described wedge shape arch (3) is made the half slit bamboo or chopped wood butt crescent slide block that an end broad one end is narrower for partial metallurgy; The outside of wedge shape arch is a convex globoidal, and the inboard is a cancave cambered surface, and two sides are parallel plane up and down; The convex globoidal radius of wedge shape arch and the internal diameter bearing fit of axle sleeve (06), the cancave cambered surface radius of wedge shape arch and the described external diameter bearing fit of embracing spring (1) of turning round; Wedge shape arch broad one end end face is provided with the groove of the described tension spring of vertical cooperation (03);
Described internal gear (4) is for making the standard specification parts of the prior art recliner of following change to its fit dimension; The external diameter of internal gear (4) axis (41) and the described internal diameter bearing fit of embracing spring (1), the bottom post jamb external diameter bearing fit of the internal diameter of axis (41) and described female splined shaft (2) turned round;
The plane strain spring that described tension spring (03) is made for Ω shape circle silk steel wire, two ends of tension spring are converted into elbow bend downwards;
Each parts mutual alignment and annexation are: outer tooth plate (05), internal gear (4) be engagement up and down routinely; Turn round and embrace the outer wall that the axis (41) of internal gear (4) is inserted in spring (1) slip downwards; The lower post of female splined shaft (2) is axially inserted in the endoporus of axis (41) down; The boss (21) of female splined shaft (2) is by the side noncontact clamping of two horizontal arms turning round armful spring (1) from suitable subtended angle (α); The wide end of two wedge shapes arch (3) is relative, and cancave cambered surface slides to be coated on and turns round the outside of embracing spring (1) towards turning round the axle center of embracing spring (1), and sliding packs into is interference fitted in the axle sleeve (06) in outer tooth plate (05) centre hole; Two ends of tension spring (03) are stuck in the groove of two wedge shape arches.
2. according to the built-in inversion-stopping self-locking device of claim 1 recliner, it is characterized in that: the described coiling steel wire of turning round armful spring (1) is the flat cross section steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010148193 CN101797900A (en) | 2010-03-20 | 2010-03-20 | Built-in inversion-stopping self-locking device of angle adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010148193 CN101797900A (en) | 2010-03-20 | 2010-03-20 | Built-in inversion-stopping self-locking device of angle adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101797900A true CN101797900A (en) | 2010-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010148193 Pending CN101797900A (en) | 2010-03-20 | 2010-03-20 | Built-in inversion-stopping self-locking device of angle adjuster |
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| CN (1) | CN101797900A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2684738A1 (en) * | 2011-03-09 | 2014-01-15 | Austem Co. Ltd. | Dial recliner |
| CN105333197A (en) * | 2014-08-08 | 2016-02-17 | 浙江三花股份有限公司 | Electrically operated valve, locking device thereof and mounting method of locking guide rail |
| CN106114303A (en) * | 2016-08-05 | 2016-11-16 | 宁波双林汽车部件股份有限公司 | A kind of automotive seat simply anti-big reverse lifting decelerator |
| CN108621878A (en) * | 2018-06-19 | 2018-10-09 | 浙江龙生汽车部件科技有限公司 | Continuous recliner with self-locking device and its self-locking method |
| CN108630073A (en) * | 2018-05-09 | 2018-10-09 | 江西电力职业技术学院 | Electrical practice training teaching equipment |
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| US4576412A (en) * | 1984-03-15 | 1986-03-18 | Aisin Seiki Kabushiki Kaisha | Seat reclining mechanism |
| US4705318A (en) * | 1985-02-25 | 1987-11-10 | Aisin Seiki Kabushiki Kaisha | Seat back reclining mechanism |
| CN201296189Y (en) * | 2008-10-21 | 2009-08-26 | 上海交运汽车精密冲压件有限公司 | Seat angle regulator |
| CN101612903A (en) * | 2008-06-23 | 2009-12-30 | 李尔公司 | The anti-returning transmission gear that is used for seat inclination angle adjustor |
| CN201646446U (en) * | 2010-03-20 | 2010-11-24 | 宁波双林汽车部件股份有限公司 | Built-in nonreturn self-locking device of angle adjuster |
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2010
- 2010-03-20 CN CN 201010148193 patent/CN101797900A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4576412A (en) * | 1984-03-15 | 1986-03-18 | Aisin Seiki Kabushiki Kaisha | Seat reclining mechanism |
| US4705318A (en) * | 1985-02-25 | 1987-11-10 | Aisin Seiki Kabushiki Kaisha | Seat back reclining mechanism |
| CN101612903A (en) * | 2008-06-23 | 2009-12-30 | 李尔公司 | The anti-returning transmission gear that is used for seat inclination angle adjustor |
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| CN201646446U (en) * | 2010-03-20 | 2010-11-24 | 宁波双林汽车部件股份有限公司 | Built-in nonreturn self-locking device of angle adjuster |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2684738A1 (en) * | 2011-03-09 | 2014-01-15 | Austem Co. Ltd. | Dial recliner |
| EP2684738A4 (en) * | 2011-03-09 | 2014-09-24 | Austem Co Ltd | Dial recliner |
| RU2563530C2 (en) * | 2011-03-09 | 2015-09-20 | Аустем Ко., Лтд. | Dial-type inclination mechanism |
| CN105333197A (en) * | 2014-08-08 | 2016-02-17 | 浙江三花股份有限公司 | Electrically operated valve, locking device thereof and mounting method of locking guide rail |
| CN106114303A (en) * | 2016-08-05 | 2016-11-16 | 宁波双林汽车部件股份有限公司 | A kind of automotive seat simply anti-big reverse lifting decelerator |
| CN108630073A (en) * | 2018-05-09 | 2018-10-09 | 江西电力职业技术学院 | Electrical practice training teaching equipment |
| CN108621878A (en) * | 2018-06-19 | 2018-10-09 | 浙江龙生汽车部件科技有限公司 | Continuous recliner with self-locking device and its self-locking method |
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Open date: 20100811 |