CN100480091C - Recliner adjuster mechanism - Google Patents
Recliner adjuster mechanism Download PDFInfo
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- CN100480091C CN100480091C CNB2005101377595A CN200510137759A CN100480091C CN 100480091 C CN100480091 C CN 100480091C CN B2005101377595 A CNB2005101377595 A CN B2005101377595A CN 200510137759 A CN200510137759 A CN 200510137759A CN 100480091 C CN100480091 C CN 100480091C
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Abstract
The objective of the invention is to provide a reclining device capable of being miniaturized without lowering the locking strength, thereby reducing weight and manufacturing cost and being easily assembled. A cam 8 connected to a control lever and a pair of lock gears 6 linked with the turning motion of the cam 8 to slide in a radial direction are fixed between a guide bracket 2 which is fixed to either one of a seat cushion or a seat back and an internal gear 4 which is fixed to the other one of the seat cushion or the seat back, and the guide bracket 2 and the internal gear 4 are integrally assembled by a mounting ring 10. Further, a cylindrical side portion 10b of the mounting ring 10 is joined with either one of the guide bracket 2 or the internal gear 4 and the outer peripheral surface of the other one slidingly contacts with the inner peripheral surface of the cylindrical side portion 10b of the mounting ring 10, thereby positioning the other one of the guide bracket 2 or the internally toothed gear 4 in a radial direction in a radial direction.
Description
Technical field
The present invention relates to a kind ofly to be arranged on the vehicle seat used grade, be used for suitably regulating tilt adjustment (reclining) device of the chair back with respect to the leaning angle of seat cushion.
Background technology
Now, be folded in the tilt adjustment device between the seat cushion (seat cushion) and the chair back (seat back), have: the control lever of the locking of the swivel arm on the chair back, the lockout mechanism that locks the rotation of swivel arm, the mechanism that unlocks is supported and is fixed in the base component, the rotation that are fixed on the seat cushion side freely by base component, and the outer peripheral edges of base component are provided with the endless member of the outer peripheral edges of card spline swing arm.
Again, along the outer peripheral edges formation caulking part of endless member, by the riveted joint caulking part, swivel arm is rotated freely with the state that embeds base component and installs (for example with reference to patent documentation 1.)。
And also proposed to have the tilt adjustment device of memory mechanism, what is called memory (memory) mechanism is after the chair back of the leaning angle that is set at regulation lodges forward, make the chair back be returned to original leaning angle (leaning angle of aforementioned regulation), this tilt adjustment device disposes adjustment for angle of inclination in a side of the guide carriage that is disposed at central authorities, and remembers mechanism in the opposition side configuration of guide carriage.Again, adjustment for angle of inclination and memory mechanism are riveted on by the installation ring of a side that will be configured in memory mechanism and are disposed at its opposition side and constitute on the adapter plate of adjustment for angle of inclination, thereby are assembled into one (for example with reference to patent documentation 2.)。
Patent documentation 1: the spy opens the 2000-333758 communique;
Patent documentation 2: specially permit communique No. 2653768.
As mentioned above, on patent documentation 1 described tilt adjustment device, swivel arm embedded base component and rivet the part of endless member, thereby one keeps base component and swivel arm, so the external diameter of base component must become greatly, can not only keep the locking intensity of regulation but also be expected miniaturization, reduce weight and manufacturing cost.
Again, under the situation of patent documentation 2 described tilt adjustment devices, installation ring must be installed under relative tilt regulating mechanism and memory mechanism this two mechanism guarantee the state in necessary minimal gap, is not easy to rivet fastening.
Summary of the invention
The present invention makes in view of problem that present technology exists, and purpose is to provide a kind of and does not reduce locking intensity and can realize miniaturization, and then the assembling that can reduce weight and manufacturing cost is easy to tilt adjustment device.
In order to achieve the above object, scheme 1 described invention among the present invention, it is characterized in that, have: be fixed on seat cushion and topple over freely guide carriage on the either party of the chair back of installing with respect to this seat cushion, be fixed on the internal-gear on the opposing party of the above-mentioned seat cushion and the chair back, be installed in the cam between above-mentioned guide carriage and the internal-gear, the pair of locking gear that radially slides in linkage with the action of this cam, under the state that above-mentioned cam and pair of locking gear is housed between above-mentioned guide carriage and the internal-gear with above-mentioned guide carriage and internal-gear assembling all-in-one-piece installation ring, this installation ring has circular flat portion and cylindrical side portion, this cylindrical side portion is bonded on the either party of above-mentioned guide carriage and above-mentioned internal-gear, and make the inner peripheral surface moving contact of the cylindrical side portion of the opposing party's the outer peripheral face of above-mentioned guide carriage and above-mentioned internal-gear and above-mentioned installation ring, thereby carry out the location that the opposing party's of above-mentioned guide carriage and above-mentioned internal-gear footpath makes progress.
Again, scheme 2 described inventions, it is characterized in that, have: be fixed on seat cushion and topple over freely internal-gear on the either party of the chair back of installing with respect to this seat cushion, the opposing party who is fixed on the above-mentioned seat cushion and the chair back go up and with above-mentioned internal-gear ingear external tooth gear, make the external tooth of aforementioned external teeth gear and the internal tooth of above-mentioned internal-gear keep a pair of wedge members of ingear, on the direction of the internal gearing of the external tooth of aforementioned external teeth gear and above-mentioned internal-gear to the elastomeric element of the above-mentioned a pair of wedge members application of force, be contained under the state between above-mentioned internal-gear and the aforementioned external teeth gear installation ring of above-mentioned internal-gear and aforementioned external teeth gear cluster being dressed up one at above-mentioned a pair of wedge members and above-mentioned elastomeric element, this installation ring has circular flat portion and cylindrical side portion, this cylindrical side portion is bonded on the either party of above-mentioned internal-gear and aforementioned external teeth gear.
And scheme 3 described inventions is characterized in that, utilize laser welding carry out the cylindrical side portion of above-mentioned installation ring, with the engaging of the either party of above-mentioned guide carriage and above-mentioned internal-gear.
Again, scheme 4 described inventions is characterized in that, utilize CO
2Welding carry out above-mentioned installation ring cylindrical side portion, with the engaging of the either party of above-mentioned guide carriage and above-mentioned internal-gear.
Again, scheme 5 described inventions is characterized in that, utilize a plurality of installation ring plates to constitute above-mentioned installation ring, and the position of disposed adjacent is engaged with each other.
Again, scheme 6 described inventions is characterized in that, the disc spring hooking sheet is set on above-mentioned installation ring, will end on seat frame the turn forward end card of disc spring of the direction application of force of the chair back, and the other end card of above-mentioned disc spring is ended on above-mentioned disc spring hooking sheet.
Again, scheme 7 described inventions is characterized in that, utilize two positions of seat frame to limit the movable range of above-mentioned disc spring hooking sheet, thereby limit the slewing area of above-mentioned guide carriage with respect to above-mentioned internal-gear.
And scheme 8 described inventions, it is characterized in that, have: be fixed on seat cushion and topple over freely guide carriage on the either party of the chair back of installing with respect to this seat cushion, be fixed on the internal-gear on the opposing party of the above-mentioned seat cushion and the chair back, be installed in the cam between above-mentioned guide carriage and the internal-gear, the pair of locking gear that radially slides in linkage with the action of this cam, be housed under the state between above-mentioned guide carriage and the internal-gear above-mentioned guide carriage and internal-gear assembling all-in-one-piece installation ring at above-mentioned cam and pair of locking gear, make above-mentioned internal-gear embed the circular depressions that forms on the above-mentioned guide carriage, on above-mentioned guide carriage, engage above-mentioned installation ring, utilize above-mentioned guide carriage and above-mentioned installation ring to keep above-mentioned internal-gear that it is rotated freely.
Again, scheme 9 described inventions are in the invention of scheme 8, it is characterized in that, utilize laser welding to carry out engaging of above-mentioned guide carriage and above-mentioned installation ring.
And scheme 10 described inventions, have and be used to adjustment for angle of inclination that the chair back is toppled over respect to seat cushion, be used to after lodging forward with the chair back that will be set at the regulation leaning angle make the chair back reply the memory mechanism of original leaning angle, it is characterized in that, above-mentioned adjustment for angle of inclination is arranged on a side of guide carriage, this adjustment for angle of inclination comprises: the 1st internal-gear that is fixed on a side of the above-mentioned seat cushion and the chair back, be installed in the 1st cam between above-mentioned guide carriage and the 1st internal-gear, a pair of the 1st lock gear of radially sliding in linkage with the action of the 1st cam, be housed under the state between above-mentioned guide carriage and the 1st internal-gear above-mentioned guide carriage and the 1st internal-gear assembling all-in-one-piece the 1st installation ring in above-mentioned the 1st cam and above-mentioned a pair of the 1st lock gear, above-mentioned memory mechanism is arranged on the opposition side of above-mentioned guide carriage, this memory mechanism comprises: be fixed on the 2nd internal-gear on the opposing party of the above-mentioned seat cushion and the chair back, be installed in the 2nd cam between above-mentioned guide carriage and the 2nd internal-gear, a pair of the 2nd lock gear of radially sliding in linkage with the action of the 2nd cam, be contained under the state between above-mentioned guide carriage and the 2nd internal-gear above-mentioned guide carriage and the 2nd internal-gear assembling all-in-one-piece the 2nd installation ring in above-mentioned the 2nd cam and above-mentioned a pair of the 2nd lock gear, the the above-mentioned the 1st and the 2nd installation ring has circular flat portion and cylindrical side portion respectively, this cylindrical side portion is bonded on the above-mentioned guide carriage, and make the above-mentioned the 1st and the outer peripheral face of the 2nd internal-gear respectively, with the above-mentioned the 1st and the inner peripheral surface moving contact of the cylindrical side portion of the 2nd installation ring, thereby carry out the above-mentioned the 1st and the location that makes progress, the footpath of the 2nd internal-gear.
Again, scheme 11 described inventions is characterized in that, utilize laser welding to carry out the above-mentioned the 1st and the cylindrical side portion of the 2nd installation ring and engaging of above-mentioned guide carriage.
Again, scheme 12 described inventions is characterized in that, utilize CO
2Welding carries out the above-mentioned the 1st and the cylindrical side portion of the 2nd installation ring and engaging of above-mentioned guide carriage.
Again, scheme 13 described inventions is characterized in that, utilize a plurality of installation ring plates to constitute each of the above-mentioned the 1st and the 2nd installation ring, and the position of disposed adjacent is engaged with each other.
Again, scheme 14 described inventions is characterized in that, with the above-mentioned the 1st and the ora terminalis of the 2nd installation ring be set at the shape that matches and make it chimeric.
According to the present invention, be bonded on guide carriage or the internal-gear by cylindrical side portion installation ring, make the inner peripheral surface moving contact of the cylindrical side portion of the outer peripheral face of internal-gear or guide carriage and installation ring, thereby carry out the location radially of internal-gear or guide carriage, so compare with for example patent documentation 1 or 2 described tilt adjustment devices, when the interior tooth diameter of internal-gear is identical, can reduce the external diameter of tilt adjustment device, can keep locking intensity and realize the tilt adjustment device miniaturization, can reduce weight and manufacturing cost.
Again, owing to make internal-gear embed the circular depressions that forms on the guide carriage, on guide carriage, engage installation ring and utilize guide carriage and installation ring rotation to keep internal-gear freely, realize the tilt adjustment device miniaturization can reducing weight and manufacturing cost so can keep equally locking intensity.
Description of drawings
Fig. 1 is the block diagram of tilt adjustment device of the present invention.
It is the front elevation and the back view of the tilt adjustment device of Fig. 1 that Fig. 2 (a) reaches (b).
Fig. 3 is the exploded perspective view of the tilt adjustment device of Fig. 1.
Fig. 4 (a) is the section-drawing along the line IV-IV among Fig. 1, (b) is the section-drawing of its variation, (c) is the section-drawing of another variation.
Fig. 5 is the variation of tilt adjustment device of Fig. 1 and the exploded perspective view of installation bracket.
Fig. 6 is the block diagram of another variation of the tilt adjustment device of Fig. 1.
Fig. 7 is the block diagram of another variation of the tilt adjustment device of Fig. 1.
Fig. 8 is the exploded perspective view of the tilt adjustment device of Fig. 7.
Fig. 9 is the block diagram of another variation of the tilt adjustment device of Fig. 1.
Figure 10 is the exploded perspective view of the tilt adjustment device of Fig. 9.
Figure 11 is the exploded perspective view of another variation of the tilt adjustment device of Fig. 1.
Figure 12 is the block diagram of the rotary driving part that is provided with on the tilt adjustment device of Figure 11.
Figure 13 is the block diagram of another variation of the tilt adjustment device of Fig. 1.
Figure 14 is the exploded perspective view of the tilt adjustment device of Figure 13.
Figure 15 is another exploded perspective view of the tilt adjustment device of Figure 13.
The specific embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are described.
Fig. 1 to Fig. 3 represents to be installed in the tilt adjustment device R of the present invention of for example vehicle seat used both sides, is used to keep the chair back (not shown) that it is toppled over freely with respect to seat cushion (not shown).
Tilt adjustment device R has: be installed on the connecting part of the seat cushion and the chair back and be fixed on guide carriage 2 on the either party of the seat cushion and the chair back, and guide carriage 2 be fixed on internal-gear 4 on the opposing party of the seat cushion and the chair back opposed to each other, be folded in the pair of locking gear 6 between guide carriage 2 and the internal-gear 4, the cam 8 that pair of locking gear 6 is slided on the clutch direction.Guide carriage 2 and internal-gear 4 portion within it contain under the state of lock gear 6 and cam 8 and utilize installation ring 10 to be assembled into one.Cam 8 is attached on the control lever (not shown), by the operating operation bar cam 8 is rotated, thereby lock gear 6 is radially slided.
It is tabular that guide carriage 2 forms circular, heart portion runs through and is provided with the control lever embedded hole 2a that a part that makes control lever embedded wherein and linked cam 8 therein, and the end face (its right end face among Fig. 3 within it, promptly with internal-gear 4 opposed opposed faces), on top and bottom inside pleurapophysis a pair of guiding parts 12 before and after establishing sidelong respectively.Each guiding parts 12 is set at relative control lever embedded hole 2a and is point-symmetric shape.Again, extending abreast with lock gear 6 opposed opposed faces of a pair of guiding parts 12 in front and back between opposed faces, is formed with the guide groove with the part (engaging piece described later) of each lock gear 6 of moving contact state setting-in.And around control lever embedded hole 2a, to prominent a plurality of mount pins (the prominent portion that establishes of the pin shape) 2b that establishes of lateral outer side, this mount pin 2b is installed on the installation bracket that is fixed on the seat cushion or the chair back with predetermined distance.In addition, integrally formed thereby guiding parts 12 and mount pin 2b pass through the regulation position of compacting guide carriage 2 with guide carriage 2.
Again, internal-gear 4 also forms circular, in its outer face (its right end face among Fig. 3), to the prominent prominent portion 14 that establishes of circle that establishes of lateral outer side, run through the opposed through hole 14a of control lever embedded hole 2a that is provided with guide carriage 2 at the prominent central part of establishing portion 14 of circle, and around it, to prominent a plurality of mount pins (the prominent portion that establishes of the pin shape) 14b that establishes of lateral outer side, this mount pin 14b is installed on the installation bracket that is fixed on the chair back or the seat cushion with predetermined distance.This mount pin 14b is also the same with mount pin 2b, thereby integrally formed with internal-gear 4 by the regulation position of compacting internal-gear 4.Again, form installation recess 4a in the prominent inboard of establishing portion 14 of the circle of internal-gear 4, its internal diameter size is set less times greater than the diameter of the outer peripheral face of each a pair of above-mentioned guiding parts 12 that is provided with up and down (adding up to 4), ends on the relative position of tooth 6a at the card with lock gear 6 of the inner peripheral surface of internal-gear 4 being formed with internal tooth 4b.Each guiding parts 12 makes under guide carriage 2 and the state that internal-gear 4 cooperates, and the inner peripheral surface moving contact ground of its outer peripheral face and internal-gear 4 embeds installs recess 4a.
Each lock gear 6 have up and downly embed the engaging piece 16 of the guide groove of guide carriage (guide bracket) 2 freely, in the both sides of this engaging piece 16 integrally formed the 1st shoulder 18 and the 2nd shoulder 20, from the 2nd shoulder 20 to foot 22 that the 1st shoulder 18 of the lock gear 6 that is positioned at opposition side extends.Engaging piece 16 has at its front-end edge and forms and end tooth 16a with the internal tooth 4b ingear card of internal-gear 4, embed at guiding parts 12 that tooth 16a is engaged on the internal tooth 4b by only block under the state that recess 4a are installed, thus the relatively rotating of restricted guidance carriage 2 and internal-gear 4.Again, the leading section inner edge in foot 22 is formed for engaging with the part of cam 8 and protuberance 22a that lock gear 6 is slided to radially inner side.
The length dimension of foot 22, each lock gear 6 that is set in the inner space of the installation recess 4a that is housed in internal-gear 4 sliding freely can move between following two positions: move and make the card that forms on the engaging piece 16 end the internal tooth 4b ingear engage position of tooth 16a and internal-gear 4 to radial outside; Move to radially inner side and remove the ingear engagement releasing position that the card of engaging piece 16 ends the internal tooth 4b of tooth 16a and internal-gear 4.If more be described in detail, then the distance setting of engage position and engagement releasing position must be a bit larger tham the tooth depth size that card ends tooth 16a, end tooth 16a and internal tooth 4b engagement thereby move the card that makes engaging piece 16 from control lever embedded hole 2a to radial outside, remove card and end the engagement of tooth 16a with respect to internal tooth 4b thereby move to the direction of control lever embedded hole 2a by lock gear 6 on the other hand by lock gear 6.
Again, run through at the central part of cam 8 and to be provided with slotted hole 8a, cam 8 links via this slotted hole 8a and control lever, and plant two pins 24 in the both sides of slotted hole 8a, end on a side of two pins 24 by an end card disc spring 26, on the recess 2c that forms on the inner edge of the control lever embedded hole 2a that the other end is limited at guide carriage 2, thereby make 8 pairs of lock gear 6 of cam to the radial outside application of force.
During assembling tilt adjustment device R, under the state that lock gear 6, cam 8 etc. is installed between guide carriage 2 and the internal-gear 4, installation ring 10 is contained in outside internal-gear 4 one sides on internal-gear 4 and the guide carriage 2, the prominent portion 14 that establishes of circle of internal-gear 4 is embedded among the circular hole 10c of installation ring 10.Under this state, from the direction of arrow of Fig. 4 (a) (with the direction of the cylindrical side portion 10b quadrature of installation ring 10) thus utilize laser welding that installation ring 10 is bonded on the outer peripheral face of guide carriage 2 integratedly, finish the assembling of tilt adjustment device R.
When tilt adjustment device R has assembled, guide carriage 2 and internal-gear 4 utilize installation ring 10 to rotate maintenance freely, the inner peripheral surface moving contact of the cylindrical side portion 10b of the outer peripheral face of internal-gear 4 and installation ring 10, be positioned at the inner end surface moving contact of the 10a of circular flat portion of the outer face of internal-gear 4 in the circular prominent outside of establishing portion 14 and installation ring 10, so the restriction that radially is subjected to installation ring 10 of internal-gear 4 with horizontal rocking.That is, internal-gear 4 radially utilizes installation ring 10 to carry out with horizontal location.In addition, inner end surface at the 10a of circular flat portion of installation ring 10, be formed with a plurality of (for example eight) projection 10d with predetermined distance, so the moving contact of the inner end surface of the 10a of circular flat portion of the outer face of internal-gear 4 and installation ring 10 is undertaken by these a plurality of projection 10d, between the inner end surface of the 10a of circular flat portion of the outer face of internal-gear 4 and installation ring 10, guarantee to be useful on the necessary minimal gap of the action of carrying out internal-gear 4 smoothly.
Among the tilt adjustment device R after assembling is finished, the mount pin patchhole of the mount pin 14b insertion seat cushion side of internal-gear 4 or the installation bracket of chair back side also is welded on the installation bracket, and the mount pin patchhole of the installation bracket of the mount pin 2b of guide carriage 2 insertion chair back side or seat cushion side also is welded on the installation bracket, thereby tilt adjustment device R is remained between two installation brackets.
Again, the integrally formed disc spring hooking sheet of bending laterally on two installation brackets, end on seat cushion side panel spring hooking sheet by an end card, and the other end card of disc spring is ended on chair back side panel spring hooking sheet, thereby make the chair back stressed towards the direction that leans forward all the time disc spring (with reference to Fig. 5).
In addition, one end of connection shaft (not shown) inserts the connection shaft patchhole of chair back side installation bracket and is attached on the control lever, the other end of connection shaft is attached on the cam of the tilt adjustment device that the opposition side of seat is provided with, the tilt adjustment device synchronization action about utilizing the operation of control lever to make.
Below, the effect of the tilt adjustment device R of the present invention of said structure is described with reference to Fig. 3.
Under the common state of taking a seat of inoperation control lever, the elastic force that utilizes disc spring 26 is to the direction application of force of cam 8 to arrow A.
Under this state, two bights of cam 8 and the inner peripheral surface butt of opposed lock gear 6 pressure-lock gear 6 and make the card of lock gear 6 end the internal tooth 4b engagement of tooth 16a and internal-gear 4 to radial outside.Therefore, internal-gear 4 is maintained at assigned position or predetermined angular with respect to the position of guide carriage 2 or the chair back with respect to the leaning angle of seat cushion.
Under this state, when the elastic force that overcomes disc spring 26 came control lever operated, cam 8 was removed two bight pushing lock gear 6 of cam 8 to the opposite spin of arrow A.Again, the protuberance 22a butt of the another bight of cam 8 and the foot 22 of lock gear 6 is pushed, so the engaging piece 16 of lock gear 6 slides to radially inner side along guide groove, remove the engagement that card ends the internal tooth 4b of tooth 16a and internal-gear 4, lock gear 6 is owing to move to the engagement releasing position from engage position, topples over posture (leaning angle) so can set the chair back arbitrarily with respect to seat cushion.
Set the chair back with respect to seat cushion topple over posture after, when hand left control lever, cam 8 utilized the direction rotation of the elastic force of disc spring 26 to arrow A, and lock gear 6 is slided to radial outside, the internal tooth 4b that card ends tooth 16a and internal-gear 4 meshes once more, and the chair back keeps the posture of toppling over of new settings.
Fig. 5 represents the variation R1 of tilt adjustment device of the present invention, the integrally formed chair back side panel spring hooking sheet 10e that extends to seat cushion side installation bracket 28 from the 10a of circular flat portion of installation ring 10A on installation ring 10A.
Promptly, in tilt adjustment device R1 shown in Figure 5, the mount pin 14b of internal-gear 4 inserts the mount pin patchhole 28a of seat cushion side installation bracket 28, and the mount pin 2b of guide carriage 2 inserts the mount pin patchhole (not shown) of chair back side installation bracket, one end of disc spring 30 is limited on disc spring hooking sheet 28b integrally formed on the seat cushion side installation bracket 28, other end card with disc spring 30 ends on the disc spring hooking sheet 10e of installation ring 10A on the other hand, thereby makes the chair back stressed towards the direction that leans forward all the time.
At this moment, disc spring hooking sheet 10e is configured between the rising wood 28c of front and back of seat cushion side installation bracket 28, so the movable range of disc spring hooking sheet 10e is limited by these two rising wood 28c.That is, disc spring hooking sheet 10e has the effect of restricted guidance carriage 2 with respect to the slewing area limiting part of the slewing area of internal-gear 4.
In addition, in the tilt adjustment device R1 of Fig. 5, integrally formed disc spring hooking sheet 10e on installation ring 10A, but also can will be bonded on the cylindrical side portion 10b of installation ring 10 with the disc spring hooking sheet 32 of installation ring 10 splits as shown in Figure 6.
Fig. 7 and Fig. 8 represent another variation R2 of tilt adjustment device of the present invention, are to form a plurality of recess 10f in the end of the cylindrical side portion 10b of installation ring 10B with predetermined distance, and 10f utilizes CO with installation ring 10B by these recesses
2Welded joint is on the outer peripheral face of guide carriage 2.Other structures are the same to tilt adjustment device R shown in Figure 3 with Fig. 1, so omit explanation.
In addition, in this variation, also can on installation ring 10B, be arranged on the disc spring hooking sheet 10e, 32 that illustrated in the variation 2.
Variation 3
Fig. 9 and Figure 10 represent the another variation R3 of tilt adjustment device of the present invention, utilize the installation ring plate 10g that is divided into 3 parts to constitute installation ring 10C.The installation ring plate 10g that is divided into 3 parts as shown in Figure 9, utilizes laser welding to be bonded on the guide carriage 2 along its ora terminalis between the position 34 of disposed adjacent after predetermined distance is positioned at the peripheral part of guide carriage 2 and internal-gear 4.
In addition, in this variation, installation ring 10g is divided into 3 parts, but but also separated into two parts or more than 4 parts.
In this variation, also can on installation ring 10C, be arranged on the disc spring hooking sheet 10e, 32 that illustrated in the variation 2 again.
In addition, in the above-described embodiment, be designed to utilize laser welding or CO
2Welding is bonded on installation ring on the guide carriage 2, but also can shown in Fig. 4 (b) installation ring be bonded on the internal-gear 4.At this moment, the internal diameter of cylindrical side portion 10b, with the external diameter of internal-gear 4 about equally, the external diameter of guide carriage 2 set compare slightly little.
Promptly, during assembling tilt adjustment device R1, under the state that lock gear 6, cam 8 etc. is installed between guide carriage 2 and the internal-gear 4, installation ring 10 is contained in outside guide carriage 2 one sides on internal-gear 4 and the guide carriage 2, the mount pin 2b of guide carriage 2 is embedded among the circular hole 10c of installation ring 10.Under this state, from the direction of arrow of Fig. 4 (b) (with respect to the direction of the cylindrical side portion 10b quadrature of installation ring 10) by laser welding or CO
2Welding is bonded on installation ring 10 on the outer peripheral face of internal-gear 4 integratedly, finishes the assembling of tilt adjustment device R1.
When tilt adjustment device R1 has assembled, guide carriage 2 and internal-gear 4 utilize installation ring 10 to rotate maintenance freely, the inner peripheral surface moving contact of the cylindrical side portion 10b of the outer peripheral face of guide carriage 2 and installation ring 10, be positioned at the outer face and a plurality of projection 10d moving contacts of on the 10a of circular flat portion of installation ring 10, forming of guide carriage 2 in the outside of mount pin 2b, so the restriction that radially is subjected to installation ring 10 of guide carriage 2 with horizontal rocking.That is, guide carriage 2 radially utilizes installation ring 10 to carry out with horizontal location.
In Fig. 4 (a) and Fig. 4 (b), be designed to installation ring 10 relative guide carriages 2 or internal-gear 4 are carried out laser welding or CO from radial outside again,
2Welding, but also can be shown in Fig. 4 (c), with installation ring 10D with respect to guide carriage 2A to carry out laser welding with the mode of axis parallel.
If describe in detail, then in structure shown in Fig. 4 (c), internal-gear 4A embeds guide carriage 2A and goes up the circular depressions 2d that forms, under the state of the peripheral part inner end surface butt of the inner end surface of the guide carriage 2A of the radial outside that is positioned at circular depressions 2d and opposed installation ring 10D, from both being carried out laser welding, thereby installation ring 10D one is bonded on the guide carriage 2A with the direction of the bearing surface quadrature of guide carriage 2A and installation ring 10D.
At this moment, when tilt adjustment device R4 has assembled, internal-gear 4A utilizes guide carriage 2A and installation ring 10D to rotate maintenance freely, the outer peripheral face moving contact of the inner peripheral surface of the circular depressions 2d of guide carriage 2A and internal-gear 4A, the outer face of internal-gear 4A this sliding contact surface near and installation ring 10D go up a plurality of projection 10d moving contacts that form, so internal-gear 4A radially rock the restriction that is subjected to guide carriage 2A, and horizontal the rocking of internal-gear 4A is subjected to the restriction of installation ring 10D.That is, internal-gear 4A's radially utilizes guide carriage 2A and installation ring 10D to carry out with horizontal location.
In addition, the shape of the installation ring in above-mentioned embodiment and each variation and joint method thereof also can be used for the tilt adjustment device R5 of so-called ウ メ Le リ Network ラ イ Na shown in Figure 11.
Tilt adjustment device R5 shown in Figure 11 has: be installed in the external tooth gear 38 on the installation bracket 36 of seat cushion side, be installed on the installation bracket 40 of chair back side and with external tooth gear 38 ingear internal-gears 42, be formed on the central part of internal-gear 42 and the cylindrical portion 42a that extends to external tooth gear 38, around cylindrical portion 42a, move a pair of wedge members 44 of ingear install freely and to keep the internal tooth of the external tooth of external tooth gear 38 and internal-gear 42, on the ingear direction of the internal tooth of the external tooth of external tooth gear 38 and internal-gear 42 to the spring 46 of wedge members 44 application of forces, the rotary driving part 48 that external tooth gear 38 is rotated under with respect to internal-gear 42 accentric states, the number of teeth of the internal tooth of internal-gear 42 are set slightly more than the number of teeth of the external tooth of external tooth gear 38.
Again, as shown in figure 12, the cam 50 after a part that is formed with the excision cylinder-like part on the rotary driving part 48.
In the tilt adjustment device R5 of said structure, under the common state of taking a seat, utilize the spring 46 a pair of wedge members 44 of expansion and make the external tooth of external tooth gear 38 push the internal tooth of internal-gear 42, keep the engagement of the internal tooth of the external tooth of external tooth gear 38 and internal-gear 42.
Under this state, when making rotary driving part 48 rotation, overcome the elastic force of spring 46 and utilize that cam 50 makes a pair of wedge members 44 any move to another, make gap turn narrow between the two.Its result, reduced the offset of external tooth gear 38 with internal-gear 42, when further making rotary driving part 48 rotations, a pair of wedge members 44 is with rotary driving part 48 rotations, the engage position of the internal tooth of the external tooth of external tooth gear 38 and internal-gear 42 rotates successively, so can change the leaning angle of the chair back in relative seat cushion gradually.
The tilt adjustment device R5 of said structure is well-known, so other structure and effect are omitted, but in this tilt adjustment device R5, be to make external tooth gear 38 embed installation ring 10, after being housed in wedge members 44 and spring 46 between internal-gear 42 and the external tooth gear 38, utilize laser welding that installation ring 10 is bonded on the outer peripheral face of internal-gear 42.
In addition, also can utilize laser welding that installation ring 10 is bonded on the outer peripheral face of external tooth gear 38.
Again, on this tilt adjustment device R5, also external tooth gear 38 is installed on the installation bracket 40 of chair back side, will be installed in structure on the installation bracket 36 of seat cushion side with external tooth gear 38 ingear internal-gears 42.
And the shape of the installation ring in above-mentioned embodiment and the variation and joint method thereof also can be used for the tilt adjustment device R6 of band memory mechanism shown in Figure 13.
As Figure 14 and shown in Figure 15, tilt adjustment device R6 has the adjustment for angle of inclination that comprises the 1st internal-gear 4, a pair of the 1st lock gear the 6, the 1st cam the 8, the 1st disc spring 26 in the side of guide carriage (intermediate plate) 2A, and the opposite side at guide carriage (intermediate plate) 2A has the memory mechanism that comprises the 2nd internal-gear 54, a pair of the 2nd lock gear the 56, the 2nd cam the 58, the 2nd disc spring 60 on the other hand.Adjustment for angle of inclination and memory mechanism are bonded on the guide carriage 2A by the 1st installation ring 10E1 that will be contained in the adjustment for angle of inclination side outward and the 2nd installation ring 10E2 that adorns outside the memory mechanism side, thereby are assembled into one.
It is tabular that guide carriage 2A forms circular, and heart portion runs through to be provided with and accommodates the disc spring accepting hole 2e of the 1st and the 2nd disc spring 26,60 therein, and is formed with the only otch 2f of the outer end of the 1st and the 2nd disc spring 26,60 of card on the part of disc spring accepting hole 2e.At the end face of the guide carriage 2A of adjustment for angle of inclination side, the both sides of disc spring accepting hole 2e are prominent respectively establish before and after the 1st a pair of guiding parts 62, each the 1st guiding parts 62 is set at respect to disc spring accepting hole 2e and is point-symmetric shape.Again, a pair of the 1st guiding parts 62 in front and back opposed opposed faces is parallel stretches with prolonging with the 1st lock gear 6, between opposed faces, be formed with guide groove with the engaging piece of each the 1st lock gear 6 of moving contact state setting-in.
On the other hand, at the end face of the guide carriage 2A of memory mechanism side too, the both sides of disc spring accepting hole 2e are prominent respectively establish before and after the 2nd a pair of guiding parts 64, each the 2nd guiding parts 64 is set at respect to disc spring accepting hole 2e and is point-symmetric shape.Again, extending abreast with the 2nd lock gear 56 opposed opposed faces of a pair of the 2nd guiding parts 64 in front and back is formed with the guide groove with the engaging piece of each the 2nd lock gear 56 of moving contact state setting-in between opposed faces.
More than, simple declaration the structure of adjustment for angle of inclination and memory mechanism, but the structure of adjustment for angle of inclination is much the same with the structure of tilt adjustment device R shown in Figure 3, so the omission further instruction.In addition, the structure of memory mechanism is also basic identical with the structure of tilt adjustment device R shown in Figure 3, but the structure difference of the 2nd internal-gear 54, thus below further specify the 2nd internal-gear 54.
The 2nd internal-gear 54 also forms circular, establish the circular prominent portion 66 that establishes at its outer face to lateral outer side is prominent, run through at the prominent central part of establishing portion 66 of circle through hole 66a is set, and around it, to prominent a plurality of mount pins (the prominent portion that establishes of the pin shape) 66b that establishes of lateral outer side, this mount pin 66b is installed on the installation bracket that is fixed on the chair back or the seat cushion with predetermined distance.Again, be formed with installation recess 54a in the prominent inboard of establishing portion 66 of the circle of the 2nd internal-gear 54, its internal diameter size is set to such an extent that be a bit larger tham the diameter of the outer peripheral face of above-mentioned two pairs the 2nd guiding partss 64, the card with the 2nd lock gear 56 on the inner peripheral surface of the 2nd internal-gear 54 ends the opposed position of tooth, is formed with card to end the roughly internal tooth 54b of same width of tooth.And at the prominent projection 66c that establishes as block of the side direction radially inner side of internal tooth 54b, a butt of itself and double-type the 2nd guiding parts 64 and be used to prevent the hypsokinesis of the chair back.The 2nd guiding parts 64 makes under guide carriage 2A and the state that the 2nd internal-gear 54 cooperates, and the inner peripheral surface moving contact ground of its outer peripheral face and the 2nd internal-gear 54 embeds to be installed among the recess 54a.
Again, the 1st installation ring 10E1 is the same with installation ring 10 shown in Figure 3, have the 10E1a of circular flat portion, from the vertically extending cylindrical side portion 10E1b in outer edge of the 10E1a of circular flat portion, on the 10E1a of circular flat portion, be formed with diameter less times greater than the prominent circular hole 10E1c that establishes the external diameter of portion 14 of the circle of the 1st internal-gear 4.The external diameter of the internal diameter of cylindrical side portion 10E1b and guide carriage 2A about equally, the external diameter of the 1st internal-gear 4 set compare slightly little.In addition, the 1st installation ring 10E1 is different with installation ring 10 shown in Figure 3, at the ora terminalis of its cylindrical side portion 10E1b, alternately forms the rectangle protuberance 10E1e and the rectangular recess 10E1f of same width.Again, the inner end surface at the 10E1a of circular flat portion of the 1st installation ring 10E1 is formed with a plurality of (for example eight) projection 10 E1d with predetermined distance.
In addition, the shape of the 2nd installation ring 10E2 is the same with the shape of the 1st installation ring 10E1, and it illustrates omission.
During assembling tilt adjustment device R6, under the state that the 1st lock gear the 6, the 1st cam 8 etc. is installed between guide carriage 2A and the 1st internal-gear 4, the 1st installation ring 10E1 is contained on the 1st internal-gear 4 and the guide carriage 2A outside the 1st internal-gear 4 sides, the prominent portion 14 that establishes of circle of the 1st internal-gear 4 is embedded among the circular hole 10E1c of the 1st installation ring 10E1.Equally, under the state that the 2nd lock gear the 56, the 2nd cam 58 etc. is installed between guide carriage 2A and the 2nd internal-gear 54, the 2nd installation ring 10E2 is contained on the 2nd internal-gear 54 and the guide carriage 2A outside the 2nd internal-gear 54 sides, the prominent portion 66 that establishes of circle of the 2nd internal-gear 54 is embedded among the circular hole 10E2c of the 2nd installation ring 10E2.At this, ora terminalis at the 1st and the 2nd installation ring 10E1,10E2, alternately form rectangle protuberance 10E1e, 10E2e and rectangular recess 10E1f, the 10E2f of same width, so the rectangle protuberance 10E1e of the 1st installation ring 10E1 embeds the rectangular recess 10E2f of the 2nd installation ring 10E2, make the 1st and the 2nd installation ring 10E1,10E2 zoarium.That is, the 1st and the 2nd installation ring 10E1, present the shape that matches when 10E2 is configured to zoarium.
Under this state, by regulation position from the abutting part of orthogonal directions laser welding the 1st and the 2nd installation ring 10E1,10E2, thereby the 1st and the 2nd installation ring 10E1,10E2 one are bonded on the outer peripheral face of guide carriage 2A, finish the assembling of tilt adjustment device R6.
In addition, as Fig. 7 or when setting the shape of the 1st and the 2nd installation ring 10E1,10E2 as shown in Figure 8, can pass through CO when respectively
2Welding is bonded on the 1st and the 2nd installation ring 10E1,10E2 one on the outer peripheral face of guide carriage 2A.
When tilt adjustment device R6 has assembled, guide carriage 2A and the 1st internal-gear 4 utilize the 1st installation ring 10E1 to rotate maintenance freely, the inner peripheral surface moving contact of the cylindrical side portion 10E1b of the outer peripheral face of the 1st internal-gear 4 and the 1st installation ring 10E1, be positioned at the inner end surface moving contact of the 10E1a of circular flat portion of the outer face of the 1st internal-gear 4 in the circular prominent outside of establishing portion 14 and the 1st installation ring 10E1, so the restriction that radially is subjected to the 1st installation ring 10E1 of the 1st internal-gear 4 with horizontal rocking.That is, the 1st internal-gear 4 radially utilizes the 1st installation ring 10E1 to carry out with horizontal location.In addition, inner end surface at the 10E1a of circular flat portion of the 1st installation ring 10E1, be formed with a plurality of projection 10E1d with predetermined distance, so the moving contact of the inner end surface of the 10E1a of circular flat portion of the outer face of the 1st internal-gear 4 and the 1st installation ring 10E1 is undertaken by these a plurality of projection 10E1d, between the inner end surface of the 10E1a of circular flat portion of the outer face of the 1st internal-gear 4 and the 1st installation ring 10E1, guarantee to be useful on the necessary minimal gap of the action of carrying out the 1st internal-gear 4 smoothly.
Equally, guide carriage 2A and the 2nd internal-gear 54 utilize the 2nd installation ring 10E2 to rotate maintenance freely, the inner peripheral surface moving contact of the cylindrical side portion 10E2b of the outer peripheral face of the 2nd internal-gear 54 and the 2nd installation ring 10E2, be positioned at the inner end surface moving contact of the 10E2a of circular flat portion of the outer face of the 2nd internal-gear 54 in the circular prominent outside of establishing portion 66 and the 2nd installation ring 10E2, thus the 2nd internal-gear 54 radially reach the restriction that horizontal rocking is subjected to the 2nd installation ring 10E2.That is, the 2nd internal-gear 54 radially utilizes the 2nd installation ring 10E2 to carry out with horizontal location.In addition, inner end surface at the 10E2a of circular flat portion of the 2nd installation ring 10E2, be formed with a plurality of projection 10E2d with predetermined distance, so the moving contact of the inner end surface of the 10E2a of circular flat portion of the outer face of the 2nd internal-gear 54 and the 2nd installation ring 10E2 is undertaken by these a plurality of projection 10E2d, between the inner end surface of the 10E2a of circular flat portion of the outer face of the 2nd internal-gear 54 and the 2nd installation ring 10E2, guarantee to be useful on the necessary minimal gap of the action of carrying out the 2nd internal-gear 54 smoothly.
Tilt adjustment device R6 after assembling is finished, the mount pin patchhole of the installation bracket of the mount pin 66b insertion seat cushion side of the 2nd internal-gear 54 also is welded on the installation bracket, and the mount pin patchhole of the installation bracket of the mount pin 14b of the 1st internal-gear 4 insertion chair back side also is welded on the installation bracket, thereby tilt adjustment device R6 is remained between two installation brackets.
In addition, if the projection 66c that establishes dashing forward on the 2nd internal-gear 54 is arranged on the opposite side of internal tooth 54b, then also the 1st internal-gear 4 can be installed in the seat cushion side, and the 2nd internal-gear 54 is installed in chair back side.
In addition, about the 1st cam 8 of tilt adjustment device synchronously move by the 1st connection shaft, and the 2nd cam 58 is by the 2nd connection shaft synchronization action.
Among the tilt adjustment device R6 of said structure, the effect of adjustment for angle of inclination is identical with the effect of the tilt adjustment device R of Fig. 3, so omit its explanation, the below effect of explanation memory mechanism.
The 2nd cam 58 is attached on the 2nd control lever of the through hole 66a that passes the 2nd internal-gear 54, and under the common state of taking a seat of inoperation the 2nd control lever, the elastic force that utilizes the 2nd disc spring 60 is to the direction application of force of the 2nd cam 58 to arrow B.
Under this state, two bights of the 2nd cam 58 and the inner peripheral surface butt of opposed the 2nd lock gear 56 are pushed the 2nd lock gear 56 and are made the card of the 2nd lock gear 56 end the internal tooth 54b engagement of tooth and the 2nd internal-gear 54 to radial outside.Therefore, the 2nd internal-gear 54 is maintained at assigned position or predetermined angular with respect to the position of guide carriage 2A or the chair back with respect to the leaning angle of seat cushion.
Under this state, when the elastic force that overcomes the 2nd disc spring 60 was operated the 2nd control lever, the 2nd cam 58 was removed two bight pushing the 2nd lock gear 56 of the 2nd cam 58 to the opposite spin of arrow B.Again, the protuberance butt of the another bight of the 2nd cam 58 and the foot of the 2nd lock gear 56 is also pushed it, so the engaging piece of the 2nd lock gear 56 slides to radially inner side along guide groove, remove the engagement that card ends the internal tooth 54b of tooth and the 2nd internal-gear 54, the 2nd lock gear 56 moves to the engagement releasing position from engage position, so the chair back can lodge forward.
In addition, the structure of the internal tooth 54b of the 2nd internal-gear 54 is: only form at the position narrower than the internal tooth 4b of the 1st internal-gear 4, so hand leaves the 2nd control lever even lodge the chair back afterwards forward, the chair back also can reach the position of lodging the most forward easily.
After the chair back lodges forward, when fall the back, the 2nd lock gear 56 is slided in the scope of the internal tooth 54b that does not have the 2nd internal-gear 54, one of double-type the 2nd guiding parts 64 be connected to be based in internal tooth 54b side, on the projection 66c as block, and beginning of the 2nd lock gear 56 and 54 engagements of the 2nd internal-gear, institute is so that the original leaning angle of chair back answer.
Industrial applicibility
Tilt adjustment device of the present invention can not reduce the compact formation in locking intensity ground, so available Work may apply the vehicle seat used tilt adjustment device of big load on the chair back.
Claims (17)
1, a kind of tilt adjustment device, it is characterized in that, have: be fixed on seat cushion and topple over freely guide carriage on the either party of the chair back of installing with respect to this seat cushion, be fixed on the internal-gear on the opposing party of the above-mentioned seat cushion and the chair back, be installed in the cam between above-mentioned guide carriage and the internal-gear, the pair of locking gear that radially slides in linkage with the action of this cam, be housed under the state between above-mentioned guide carriage and the internal-gear above-mentioned guide carriage and internal-gear assembling all-in-one-piece installation ring at above-mentioned cam and pair of locking gear
The cylindrical side portion that this installation ring has circular flat portion and only extends to vertical direction from the outer peripheral edges of this circular flat portion, this cylindrical side portion is bonded on the either party of above-mentioned guide carriage and above-mentioned internal-gear, and make the inner peripheral surface moving contact of the cylindrical side portion of the opposing party's the outer peripheral face of above-mentioned guide carriage and above-mentioned internal-gear and above-mentioned installation ring, thereby carry out the location that described the opposing party's of above-mentioned guide carriage and above-mentioned internal-gear footpath makes progress.
2, tilt adjustment device as claimed in claim 1 is characterized in that, utilizes the engaging of described either party of cylindrical side portion that laser welding carries out above-mentioned installation ring and above-mentioned guide carriage and above-mentioned internal-gear.
3, tilt adjustment device as claimed in claim 1 is characterized in that, utilizes CO
2The cylindrical side portion that above-mentioned installation ring is carried out in welding engages with the described either party's of above-mentioned guide carriage and above-mentioned internal-gear.
4, as any one described tilt adjustment device of claim 1 to 3, it is characterized in that, utilize a plurality of installation ring plates to constitute above-mentioned installation ring, and the adjacent regions of above-mentioned installation ring is bonded on the described either party of above-mentioned guide carriage and above-mentioned internal-gear.
5, as any one described tilt adjustment device of claim 1 to 3, it is characterized in that, the disc spring hooking sheet is set on above-mentioned installation ring, to end on the seat cushion lateral bracket the turn forward end card of disc spring of the direction application of force of the chair back, and the other end card of above-mentioned disc spring will be ended on above-mentioned disc spring hooking sheet.
6, tilt adjustment device as claimed in claim 5 is characterized in that, utilizes two positions of seat cushion lateral bracket to limit the movable range of above-mentioned disc spring hooking sheet, thereby limits the slewing area of above-mentioned guide carriage with respect to above-mentioned internal-gear.
7, a kind of tilt adjustment device, it is characterized in that, have: be fixed on seat cushion and topple over freely internal-gear on the either party of the chair back of installing with respect to this seat cushion, the opposing party who is fixed on the above-mentioned seat cushion and the chair back go up and with above-mentioned internal-gear ingear external tooth gear, make the external tooth of this external tooth gear and the internal tooth of above-mentioned internal-gear keep a pair of wedge members of ingear, on the direction of the internal gearing of the external tooth of aforementioned external teeth gear and above-mentioned internal-gear to the elastomeric element of the above-mentioned a pair of wedge members application of force, under the state that above-mentioned a pair of wedge members and above-mentioned elastomeric element is housed between above-mentioned internal-gear and the aforementioned external teeth gear, above-mentioned internal-gear and aforementioned external teeth gear cluster are dressed up the installation ring of one
This installation ring has circular flat portion and cylindrical side portion, this cylindrical side portion is bonded on the either party of above-mentioned internal-gear and aforementioned external teeth gear.
8, tilt adjustment device as claimed in claim 7 is characterized in that, utilizes the engaging of described either party of cylindrical side portion that laser welding carries out above-mentioned installation ring and aforementioned external teeth gear and above-mentioned internal-gear.
9, tilt adjustment device as claimed in claim 7 is characterized in that, utilizes CO
2The cylindrical side portion that above-mentioned installation ring is carried out in welding engages with the described either party's of aforementioned external teeth gear and above-mentioned internal-gear.
10, as any one described tilt adjustment device of claim 7 to 9, it is characterized in that, utilize a plurality of installation ring plates to constitute above-mentioned installation ring, and the adjacent regions of above-mentioned installation ring is bonded on the described either party of aforementioned external teeth gear and above-mentioned internal-gear.
11, as any one described tilt adjustment device of claim 7 to 9, it is characterized in that, the disc spring hooking sheet is set on above-mentioned installation ring, to end on the seat cushion lateral bracket the turn forward end card of disc spring of the direction application of force of the chair back, and the other end card of above-mentioned disc spring will be ended on above-mentioned disc spring hooking sheet.
12, tilt adjustment device as claimed in claim 11 is characterized in that, utilizes two positions of seat cushion lateral bracket to limit the movable range of above-mentioned disc spring hooking sheet, thereby limits the slewing area of aforementioned external teeth gear with respect to above-mentioned internal-gear.
13, a kind of tilt adjustment device has: is used to make the chair back to reply the memory mechanism of original leaning angle after being used to make adjustment for angle of inclination that the chair back topples over respect to seat cushion and the chair back that will be set at the regulation leaning angle to lodge forward, it is characterized in that,
Above-mentioned adjustment for angle of inclination is arranged on a side of guide carriage, this adjustment for angle of inclination comprises: the 1st internal-gear that is fixed on a side of the above-mentioned seat cushion and the chair back, be installed in the 1st cam between above-mentioned guide carriage and the 1st internal-gear, a pair of the 1st lock gear of radially sliding in linkage with the action of the 1st cam, be contained under the state between above-mentioned guide carriage and the 1st internal-gear above-mentioned guide carriage and the 1st internal-gear assembling all-in-one-piece the 1st installation ring in above-mentioned the 1st cam and above-mentioned a pair of the 1st lock gear
Above-mentioned memory mechanism is arranged on the opposition side of above-mentioned guide carriage, this memory mechanism comprises: be fixed on the 2nd internal-gear on the opposing party of the above-mentioned seat cushion and the chair back, be installed in the 2nd cam between above-mentioned guide carriage and the 2nd internal-gear, a pair of the 2nd lock gear of radially sliding in linkage with the action of the 2nd cam, be contained under the state between above-mentioned guide carriage and the 2nd internal-gear above-mentioned guide carriage and the 2nd internal-gear assembling all-in-one-piece the 2nd installation ring in above-mentioned the 2nd cam and above-mentioned a pair of the 2nd lock gear
The the above-mentioned the 1st and the 2nd installation ring has circular flat portion and cylindrical side portion respectively, this cylindrical side portion is bonded on the above-mentioned guide carriage, and make respectively the above-mentioned the 1st and the outer peripheral face of the 2nd internal-gear, with the above-mentioned the 1st and the inner peripheral surface moving contact of the cylindrical side portion of the 2nd installation ring, thereby carry out the above-mentioned the 1st and the location that makes progress, the footpath of the 2nd internal-gear.
14, tilt adjustment device as claimed in claim 13 is characterized in that, utilizes laser welding to carry out the above-mentioned the 1st and the cylindrical side portion of the 2nd installation ring and engaging of above-mentioned guide carriage.
15, tilt adjustment device as claimed in claim 13 is characterized in that, utilizes CO
2Welding carries out the above-mentioned the 1st and the cylindrical side portion of the 2nd installation ring and engaging of above-mentioned guide carriage.
16, as any one described tilt adjustment device of claim 13 to 15, it is characterized in that, utilize a plurality of installation ring plates to constitute each of the above-mentioned the 1st and the 2nd installation ring, and the position of disposed adjacent is engaged with each other.
17, as any one described tilt adjustment device of claim 13 to 15, it is characterized in that, with the above-mentioned the 1st and the ora terminalis of the 2nd installation ring be set at the shape that matches and make it chimeric.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004379630 | 2004-12-28 | ||
| JP2004379630 | 2004-12-28 | ||
| JP2005304717 | 2005-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1796175A CN1796175A (en) | 2006-07-05 |
| CN100480091C true CN100480091C (en) | 2009-04-22 |
Family
ID=36817553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101377595A Active CN100480091C (en) | 2004-12-28 | 2005-12-28 | Recliner adjuster mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100480091C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102058260A (en) * | 2009-11-17 | 2011-05-18 | 爱信精机株式会社 | Seat reclining apparatus |
| US8708412B2 (en) | 2008-01-17 | 2014-04-29 | Fisher & Company, Incorporated | Round recliner mechanism |
| US9296315B2 (en) | 2013-02-26 | 2016-03-29 | Fisher & Company, Incorporated | Recliner mechanism with backdriving feature |
| US9902297B2 (en) | 2014-06-11 | 2018-02-27 | Fisher & Company, Incorporated | Latch mechanism with locking feature |
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| WO2011019346A1 (en) * | 2009-08-12 | 2011-02-17 | Johnson Controls Technology Company | Rotary recliner |
| DE102010038039B4 (en) * | 2009-10-12 | 2022-03-03 | Keiper Seating Mechanisms Co., Ltd. | Locking disc for an adjustment device |
| JP5827500B2 (en) * | 2010-09-01 | 2015-12-02 | デルタ工業株式会社 | Seat lifter and seat |
| US9469220B2 (en) | 2011-10-06 | 2016-10-18 | Lear Corporation | Seat recliner with easy entry release and method of manufacturing same |
| JP6431254B2 (en) * | 2013-09-30 | 2018-11-28 | トヨタ紡織株式会社 | Recliner |
| KR102070022B1 (en) * | 2018-05-02 | 2020-01-29 | 현대트랜시스(주) | Seat recliner for vehicle |
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Also Published As
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|---|---|
| CN1796175A (en) | 2006-07-05 |
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