CN1215675A - Seat suspension device - Google Patents
Seat suspension device Download PDFInfo
- Publication number
- CN1215675A CN1215675A CN 97121552 CN97121552A CN1215675A CN 1215675 A CN1215675 A CN 1215675A CN 97121552 CN97121552 CN 97121552 CN 97121552 A CN97121552 A CN 97121552A CN 1215675 A CN1215675 A CN 1215675A
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- seat
- underframe
- swivel arm
- straight line
- seat frame
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Abstract
A suspension mechanism of seat is aimed at regulating the seat easily after passenger has sat down. Its top end is matched with the lower end of buffer spring on underframe and borne by the supporting plate over rotating arm. Said rotating arm is rotary and linked with the operating handle extended from the lower side of seat back. Raising up or lowering down the supporting plate, caused by turning the rotating arm, can regulate the stretched amount of buffer spring.
Description
The present invention relates to a kind of seat suspension arrangements, on this seat suspension arrangements, make seat can free lifting ground with respect to underframe supported; And, can make the shock and vibration along the vertical direction that are delivered on the seat frame etc. obtain relaxing by being erected at bumper and the buffering spring between seat frame and underframe.
For example, the shock and vibration along the vertical direction on being delivered at the bottom of the car etc. are decayed,, be installed on the seat of vehicle etc. with the protection person's of taking a seat seat suspension arrangements.Such seat suspension arrangements for example is a kind of like this formation: make seat can free lifting ground with respect to the underframe of regulation supported; By the effect of bumper and buffering spring, make the shock and vibration along the vertical direction that are delivered on the seat etc. obtain relaxing.
And as such seat suspension arrangements, for example a kind of position, back that bumper and buffering spring are provided in seat is that the formation on the seat back part is known.This seat suspension arrangements is widely used on the seat etc. of construction implement of forklift etc.The space of the seat bottom of this forklift is used for other purposes more, for example as the space of taking in battery or other mechanism.
But, as this seat suspension arrangements, can guarantee the cushion effect (power suspends) corresponding to the person's of taking a seat body weight by the stretch amount of change recoil spring, the seat suspension arrangements of so-called belt body readjusting gear is known.For example, at the real seat suspension arrangements of being showed on clear 48-008505 communique and the flat 08-104161 communique of Te Kai etc. of opening of Japanese Patent.
But, show by above-mentioned communique these known constitute on, because to the i.e. handle adjusted of the power of suspending of the stretch amount of recoil spring, be set at the back of seat back or the places such as upper end of seat back, so the handle operation under the posture of taking a seat is very difficult, requiring the person's of taking a seat state handle operation down of leaving the table is that the body weight adjustment is operated.That is, forgotten the occasion of adjusting operation and having taken a seat,, can not obtain performance fully so the function of seat suspension arrangements is become owing to usually under the situation of not carrying out the body weight adjustment, carry out the running operation of its axletree etc. the person of taking a seat.
Here, handle is configured in the formation on the front end of seat cushions, on No. 02234853, Japanese patent laid-open, obtains showing.According to such formation,, can after taking a seat, carry out adjustment operation aptly corresponding to the power that suspends of body weight owing to can carry out the operation of the handle under the state of taking a seat; By with the person's of taking a seat power that suspends accordingly, can improve the person's of taking a seat traveling comfort and safety fully.
But, opening by above-mentioned spy on the constituting that flat 02-234853 communique showed, because handle is positioned at the forward lower part that the place ahead of seat cushions promptly is positioned at the person of taking a seat who is landed on the seat, so when carrying out its operation, the person of taking a seat must bend to antecurvature.And the construction implement of forklift etc. because the peripheral space of its seat is narrow and small usually, can not easily be guaranteed the curved position forward from the posture of taking a seat, so be difficult to avoid the decline of operability.
Further, on owing to the formation that recoil spring is arranged on the place ahead that on the seat back part handle is provided in seat cushions, distance between recoil spring and the handle is elongated, makes easily to being delivered to transfer device on the recoil spring etc. from the operating effort of handle and becomes complicated.
The objective of the invention is, a kind of seat suspension arrangements that can easily carry out body weight adjustment operation under the posture of taking a seat is provided.
For reaching this purpose, in the present invention, its upper end is fastened on the lower end of the recoil spring on the underframe, be stuck close on the mounted panel, wherein this mounted panel can with the rotating operation of operating handle on exposing the bottom side that is provided in seat back interlock and moving up and down mutually.And the lifting of the mounted panel of the rotating operation by being accompanied by operating handle can be adjusted the stretch amount of recoil spring.
Fig. 1 is the general positive map of seat suspension arrangements of the present invention.
Fig. 2 is the summary skiagraph of seat suspension arrangements.
Fig. 3 is the seat frame on the seat suspension arrangements and the exploded perspective view of underframe.
Fig. 4 is the summary exploded perspective view based on swivel arm, mounted panel, screw mandrel and rotating nut on the seat suspension arrangements.
Fig. 5 is the part front elevation of seat suspension arrangements during state in the early stage.
Fig. 6 is the part front elevation of seat suspension arrangements when body weight is adjusted.
Fig. 7 is each front elevation of the swivel arm of variation.
Below, with reference to drawing, example of the present invention is described in detail.
As shown in Figure 1 and Figure 2, on seat suspension arrangements 10 of the present invention, keeping the seat frame 16 of seat cushions 12 and seat back 14 can supported with respect to the underframe of determining 18 free lifting.And, seat suspension arrangements 10 also has following formation: with respect to the vibration of the seat frame of going up along the vertical direction 16 of underframe 18 and impact etc., can be the combination of bumper 20 on the seat back part and buffering spring 22 and obtain relaxing by the position, back that is provided in seat frame 16.
As unite Fig. 2, Fig. 3 as can be known, underframe 18 for example is to form by setting up and fix the back frame 18b that is roughly " " word shape with its state of standing up between the rear end of the bottom bracket 18a of pair of right and left, and this moment, the side of this underframe 18 was roughly "＜" shape.On this underframe 18, for example set up with pivot between the bottom bracket 18a about it and supporting connecting rod free to rotate 24, simultaneously the prominent carriage 26 (with reference to Fig. 1) of pair of right and left of establishing of the foreign side of end about its back frame 18b.And through this connecting rod 24 and carriage 26, seat frame 16 can be supported with respect to underframe 18 free lifting.
As can be known from Fig. 2, Fig. 3, seat frame 16, for example be to be combined into one by being connected with connecting panel 28 with the back 16b that extends along the vertical direction along the 16a of mat portion that fore-and-aft direction (left and right directions among the figure) extends, this moment, its side was "＜" word shape roughly.And, between the opposite end of the regulation that is erected at seat frame 16 above the holding components 30,31 of fore-and-aft direction and left and right directions, perhaps in the front of the holding components 32,33 of left and right directions, by disposing the seat cushions layer, and use the finishing cover that is constituted by epidermis etc. that seat bed course and seat frame are overmolding to one, and form respectively can the elasticity support person of taking a seat seat cushions 12 and seat back 14.
And, as Fig. 1, shown in Figure 3, this seat frame 16, about the 16b of its back end be formed with carriage 26 with underframe relative to and inside the dash forward carriage 36 of the pair of right and left of establishing of side.This carriage 36 for example is formed with the slotted hole 38 that extends along the vertical direction; By in the circular hole 40 that connecting pin 42 is inserted into this slotted hole and carriage 26 and will be connected between the carriage 26,36, can guarantee the lifting of seat frame 16 thus with respect to underframe 18.
As shown in Figure 2,, be provided with the retainer 44 of pair of right and left at the front end of the 16a of mat portion of seat frame again.Support by carry out axle by 44 pairs of connecting rods of this retainer 24, and make seat frame 16 can free lifting ground with respect to underframe 18 supported.
Here, as shown in Figure 1, on such seat suspension arrangements 10, can be to bumper 20 along performance attenuation functions such as the shock and vibration of its axis direction, the position, back that is provided in seat frame 16 is on the seat back part; For example, be the mode of pivot suspension with its each end, be erected at underframe 18 back frame 18b the upper end and thereunder set up and be fixed on seat frame 16 back 16b about between the supporting plate 52 between end.
And recoil spring 22 similarly is provided on the position, back with bumper 20, and it can give seat frame 16 with the deflecting force upward with respect to underframe 18.As shown in Figure 1 and Figure 2, in the present invention, the upper end of this recoil spring 22 is stuck close on the snap-latch piece 54 of upper end of the back frame 18b that is positioned at underframe 18, and its lower end is connected with respect on the free end 56a of seat frame 16 for the swivel arm 56 of the pivot suspension of fulcrum simultaneously.
As unite Fig. 1, Fig. 2, Fig. 4 as can be known, swivel arm 56 is formed with by pivot suspension pin 58 on its free end 56a and can obtains bonded assembly mounted panel 60 rotationally; By the engaging with respect to snap-latch piece 62 of this mounted panel, and the lower end of recoil spring 22 is connected with the free end of swivel arm.
In addition, pivot suspension pin 58 quick nut 64 grades and can not be maintained with breaking away from by embedding on its external part.
For example, as shown in Figure 1, between the left and right sides of the connecting panel about underframe 16 28, set up and fixing steady arm 66.And Fig. 4, Fig. 5 can know and know as associating, are the carriage 68 of the hollow of roughly " U " shape with respect to the section that is fixed on this steady arm 66, swivel arm 56 through having stairstepping anchor 70 and can obtain freely to rotate connecting and supporting.That is, this anchor 70 becomes the fulcrum of swivel arm 56, and swivel arm can be that rotate at the center with this fulcrum with respect to carriage 68.
In addition, anchor 70 has threaded portion 70a at its front end, can not obtain by screw togather upper nut 72 on this threaded portion installing with breaking away from.
Here, as Fig. 4, shown in Figure 5, in the present invention, swivel arm 56 in its clamping on the external part 56b on the opposite side opposite with free end 56a of fulcrum (anchor) 70, is formed with the pilot hole 74 of slotted hole shape.As can be seen from Figure 5, this pilot hole 74, be set at respect to straight line 76 only with the regulation angle and on the bevelled straight line 78, wherein this straight line 76 has been for having connected fulcrum 70, and by the straight line between the pivot resting point (anchor) between pivot suspension pin 58 bonded assembly free ends 56a and the mounted panel 60.
In addition, on this example, the pilot hole 74 of swivel arm forms a kind ofly to have connected on the straight line 76 between fulcrum 70 and the free-ended pivot resting point 58, is the position and the shape of its initial point.
And, as Fig. 4, shown in Figure 5, movable nut 82 can be set and supported by straight line movably along pilot hole 84, wherein, being integrally formed on movable nut 82 can be at the sliding pin 80 of the slides within of pilot hole 74, and pilot hole 84 is formed on a pair of subtend wall of carriage 68 of hollow; Simultaneously, and the screw mandrel 86 that will screw togather with generation between this movable nut, its axis is aligned to along the moving direction of movable nut, and it for example can freely rotate and can not be set up with breaking away from respect to the connecting panel 28 of seat frame.
Again, carriage 68 is formed with the large diameter inserting hole 90 that is connected with pilot hole 84; Through this inserting hole, movable nut 82 can be inserted and between a pair of relative wall of putting at carriage.
And screw mandrel 86 has been integrally formed into operating handle 92 at its end end.Again, this operating handle 92 outstanding be provided with (with reference to Fig. 1, Fig. 2) on the side of the bottom of seat back 14.
On such formation, screw mandrel 86 is rotated by the rotating operation of operating handle 92; The spiral shell of the rotation by following this screw mandrel advances with spiral shell to move back, and makes movable nut 82 do straight line along the pilot hole 84 of carriage and moves.For example, state shown in Figure 5 is assumed to the A-stage that the body weight on this seat suspension arrangements 10 is adjusted.When this state, movable nut 82 and sliding pin 80 are arranged in the left of figure of the pilot hole 74 of the pilot hole 84 of carriage and swivel arm.
From such A-stage, when make by the rotating operation of operating handle 92 screw mandrel 86 to the counterparty when rotating.For example spiral shell with respect to screw mandrel advances motion, and movable nut 82 moves to right-hand along the pilot hole 84 of carriage.Here, in the present invention, because the pilot hole 74 of swivel arm is positioned on the straight line 78 that only tilts with predetermined angular with straight line 76, wherein above-mentioned straight line 76 is the fulcrum 70 of connection swivel arm and the straight line between the free-ended pivot resting point 58, so when movable nut 82 during from primary position shown in Figure 5 right-hand mobile to figure, by the slip of sliding pin 80 in the pilot hole of swivel arm, making swivel arm 56 produce anti-clockwise rotates, as shown in Figure 6, this moment, its free end 56a was the position decline of mounted panel 60.
As unite Fig. 6, Fig. 1 as can be known, when the rotation owing to swivel arm 56 descends mounted panel 60, because the upper end of back frame 18b of recoil spring 22 and the direction change that open to expansion at the interval between the mounted panel in stretch-draw, so the stretch amount of the recoil spring 22 when the lowering position of mounted panel can reduce.That is, when the person's of taking a seat body weight is heavier, by like this, fall mounted panel 60, just can suppress the too much sinking of seat, guarantee the cushion effect (power suspends) that adapts with the heavier person of taking a seat of body weight to reduce the stretch amount of recoil spring 22.
Again, when the person's that do not take a seat on the contrary body weight is light, remain on the stretch amount that increases recoil spring 22 on as shown in Figure 5 the top position by height with mounted panel 60, just can be by the sinking of the slyness of seat, and easily guarantee the power that suspends that the person of taking a seat with light body weight adapts.
As mentioned above, on seat suspension arrangements 10 of the present invention, the straight line that is transformed into movable nut 82 by the rotating operation with operating handle 92 moves, and straight line running transform that further will this movable nut becomes the rotation of swivel arm 56, just can expose operating handle on the side of the bottom of seat back 14 by configuration and realize change and adjustment to the stretch amount of recoil spring 22.
Like this, if on the side of the bottom of seat back 14 setting operation handle 92, just can be readily implemented in the body weight adjustment operation under the posture that keeps taking a seat.Promptly, because can be after the person of taking a seat takes a seat on the seat, keeping suitably adjusting and to set under the state of this posture of taking a seat and the stretch amount of the recoil spring 22 that oneself body weight adapts, even so when before taking a seat, having forgotten to adjust, also can be by after taking a seat on the seat, adjusting to the power that suspends that adapts with oneself body weight, and can easily the function of seat suspension arrangements 10 be brought into play fully.Therefore, can be easily and guarantee the person's of taking a seat traveling comfort and safety fully.
And, because the bottom side of seat back 14 is provided with the operating handle 92 that can operate under the posture that keeps taking a seat, so when when carrying out the operation of operating handle, carrying out body weight adjustment operation, needn't be to a kind of inadequate posture of the strong ball of the person of taking a seat.
Again, in the present invention, because when the free end 56a of swivel arm head lamp brush guard pivot is being supported mounted panel 60, as long as on swivel arm, be provided with movable nut 82 all-in-one-piece sliding pins 82 and can join the pilot hole 74 that inserts and slide by pine, so what just can not can cause constituting is complicated, easily is provided at and keeps to carry out the seat suspension arrangements 10 that body weight is adjusted under the person's of taking a seat posture.
Here, under example of the present invention, the pilot hole 74 of swivel arm, be form a kind of to connect on the straight line 76 between its fulcrum 70 and the free-ended pivot resting point 58 for the position of its initial point and shape.But this pilot hole, because so long as be formed at respect to this straight line 76 to get final product on the predetermined angular bevelled straight line 78, be limited to above-mentioned position and shape so have more than, for example, also can be shown in Fig. 7 (A), contain on the position therebetween on straight line 76 and the straight line that straight line 76 is reported to the leadship after accomplishing a task mutually and form pilot hole.In addition, can also shown in Fig. 7 (B), on the position of leaving straight line 76, form the pilot hole 74 of swivel arm.
On this example, be to insert and slide, and can guarantee that the straight line of movable nut 82 moves by sliding pin 80 and external part 82a are joined toward the pine of the pilot hole 84 of carriage 68 again.Being limited to so but have more than, for example also can be a kind of by constituting that the straight line of being realized movable nut by clasping of carriage 68 etc. moves.But, the straight line that can guarantee movable nut 82 by the pilot hole 84 of carriage move constitute the time, because this pilot hole has the function of the moving range of the movable nut of regulation, so can stop movable nut to move reliably, improve the workability of movable nut with respect to carriage 68 and then with respect to the too much of screw mandrel 86.
Further, on this example, as shown in Figure 5, swivel arm 56 be form a kind of, along connected between fulcrum 70 and the free-ended pivot resting point 58 straight line 76 and from the curved shape that be roughly "＜" font of straight line 78 of this straight line with the angle tilt of regulation.But swivel arm 56, because as long as have its external part 56b in the pilot hole 74 on the predetermined angular bevelled straight line 78 with respect to having connected straight line 76 between fulcrum 70 and the free-ended pivot resting point 58, so having more than, the shape of swivel arm is limited to graphic shape, for example, much less also can be such various other shapes of straight line body roughly on the plane shown in Fig. 7 (C).
Again, in the present embodiment, be a place particularly by seat cushions 12 and seat back 14 with constituting that seat frame 16 combines with being integral.Be limited to so but have more than, for example also can be by will serving as that seat cushions and the seat back that the basis forms is separately fixed on the such seat frame of diagram, and constitute the seat of regulation shape to divide other framework.
Further, on this example, operating handle 92 is to be provided on the right side of seeing from the front of seat back 14.But also can be in contrast, with the operating handle configuration with expose on the left side of seeing from the front of seat back.At this moment, swivel arm 56, carriage 68, screw mandrel 86, movable nut 82 etc. are configured on the graphic symmetrical position.
In an embodiment of the present invention, be to be that concrete example is illustrated with the seat suspension arrangements that is applicable to the seat on the vehicle for constructions such as forklift again.Be limited to construction implement but have more than, for example also can on field machines such as trac. or other vehicles etc., use the present invention.
Above-mentioned working of an invention form is of the present invention in order to illustrate, rather than the present invention is carried out any qualification.In technical scope of the present invention, carried out the formation after distortion, the transformation etc., much less be also contained in the present invention.
As mentioned above, according to seat suspension arrangements of the present invention,, can easily carry out the body weight adjustment operation under posture is taken a seat in maintenance owing on the side of the bottom of seat back, be provided with operating handle.Promptly, because can be after the person of taking a seat takes a seat on the seat, keeping suitably adjusting and to set under the state of its posture of taking a seat and the stretch amount of the recoil spring that oneself body weight adapts, even so when before taking a seat, having forgotten adjustment, also can be by the adjustment after taking a seat, and easily give full play to the function of seat suspension arrangements.Therefore, can be easily and guarantee the person's of taking a seat traveling comfort and safety fully.
And, because operating handle is set on the position that can operate under the posture that keeps taking a seat, so, needn't impose inadequate posture to the person of taking a seat carrying out body weight when adjusting.
Again, in the present invention, because when the free end head lamp brush guard pivot of swivel arm is being supported mounted panel, as long as on swivel arm, be provided with movable nut all-in-one-piece sliding pin and can join the pilot hole that inserts and slide by pine, so what can not cause constituting is complicated, can easily be provided at the seat suspension arrangements that can carry out body weight adjustment operation under the posture that keeps taking a seat.
Claims (2)
1. a seat suspension arrangements comprises: will keep the seat frame of seat cushions and seat back can supporting through connecting rod with respect to the underframe of regulation free lifting; By bumper between the locational specific features that is erected at seat frame and underframe in its back and buffering spring, and can make the shock and vibration along the vertical direction that are delivered on the seat frame etc. obtain relaxing;
Being characterized as of this seat suspension arrangements: its upper end is fastened on the lower end of the recoil spring on the underframe, be stuck close in expose the bottom side that is provided in seat back on the rotating operation interlock and on the mounted panel that moves up and down mutually of operating handle; Can adjust the stretch amount of recoil spring with the lifting of the mounted panel of the rotating operation of this operating handle by part.
2. a seat suspension arrangements comprises: will keep the seat frame of seat cushions and seat back can supporting through connecting rod with respect to the underframe of regulation free lifting; By bumper between the locational specific features that is erected at mounting and underframe in its back and buffering spring, and can make the shock and vibration along the vertical direction that are delivered on the seat frame etc. obtain relaxing,
The feature of this seat suspension arrangements is:
The upper end of recoil spring is fastened on the underframe, and the mounted panel that is engaging the lower end of this recoil spring is supported in by pivot on the free end of swivel arm, wherein this swivel arm by the fulcrum pivot be supported in seat frame all-in-one-piece carriage on;
Have in clamping on the external part of the above-mentioned swivel arm on the free-ended opposition side of being positioned at of fulcrum, be provided with and tilting the pilot hole of the slotted hole shape on the straight line of extension with the angle of regulation with the straight line that has been connected this fulcrum and free-ended pivot resting point; Be integrally formed into the movable nut of the sliding pin that in this pilot hole, can slide, can do straight line by the carriage of regulation and be supported movably; And, have the screw mandrel of all-in-one-piece operating handle at the one end, can freely rotate with respect to the predetermined member of seat frame but can not be supported movably, and be screwed with this movable nut along axis direction;
The aforesaid operations handle is exposed on the side, bottom that is arranged on seat back; The spiral shell of the movable nut that rotation caused of the screw mandrel that causes by the action by this operating handle advances with spiral shell to move back, and sliding pin is moved in the pilot hole of swivel arm; By consequent be the lifting of the mounted panel that causes of the rotation of the swivel arm at center with the fulcrum, and can adjust the stretch amount of recoil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97121552A CN1095761C (en) | 1997-10-29 | 1997-10-29 | Seat suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97121552A CN1095761C (en) | 1997-10-29 | 1997-10-29 | Seat suspension device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1215675A true CN1215675A (en) | 1999-05-05 |
| CN1095761C CN1095761C (en) | 2002-12-11 |
Family
ID=5176308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97121552A Expired - Fee Related CN1095761C (en) | 1997-10-29 | 1997-10-29 | Seat suspension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1095761C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411908C (en) * | 2002-03-22 | 2008-08-20 | 贾森公司之米尔斯科制造公司 | Seat suspension |
| CN102717731A (en) * | 2012-07-17 | 2012-10-10 | 淮安西格尔汽车内饰件有限公司 | Multi-angle-adjustment shock-absorbing seat |
| CN104175920A (en) * | 2014-09-03 | 2014-12-03 | 山东理工大学 | Design method for optimal control current of vehicle seat suspension magnetorheological damper |
| CN104608667A (en) * | 2013-10-31 | 2015-05-13 | 西尔斯制造公司 | Rear mounted vehicle seat suspension |
| CN107048800A (en) * | 2016-12-31 | 2017-08-18 | 浙江恒林椅业股份有限公司 | The reclining governor motion and conference chair of the chair back |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1168497A (en) * | 1967-07-04 | 1969-10-29 | Bostrom Mfg Company Ltd | Improvements in and relating to Seats for Vehicles |
| US4687250A (en) * | 1985-09-30 | 1987-08-18 | Milsco Manufacturing Company | Adjustable seat assembly for vehicle |
| US4890887A (en) * | 1989-03-06 | 1990-01-02 | Sears Manufacturing Company | Suspension seat for vehicles with restricted operator environment |
| JP3585965B2 (en) * | 1994-10-04 | 2004-11-10 | テイ・エス テック株式会社 | Upper and lower seats with shock absorber |
-
1997
- 1997-10-29 CN CN97121552A patent/CN1095761C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411908C (en) * | 2002-03-22 | 2008-08-20 | 贾森公司之米尔斯科制造公司 | Seat suspension |
| CN102717731A (en) * | 2012-07-17 | 2012-10-10 | 淮安西格尔汽车内饰件有限公司 | Multi-angle-adjustment shock-absorbing seat |
| CN104608667A (en) * | 2013-10-31 | 2015-05-13 | 西尔斯制造公司 | Rear mounted vehicle seat suspension |
| CN104175920A (en) * | 2014-09-03 | 2014-12-03 | 山东理工大学 | Design method for optimal control current of vehicle seat suspension magnetorheological damper |
| CN107048800A (en) * | 2016-12-31 | 2017-08-18 | 浙江恒林椅业股份有限公司 | The reclining governor motion and conference chair of the chair back |
| CN107048800B (en) * | 2016-12-31 | 2023-10-17 | 恒林家居股份有限公司 | Chair back tilting adjusting mechanism and conference chair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1095761C (en) | 2002-12-11 |
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