WO2007105643A1 - 座席のリクライニング装置 - Google Patents
座席のリクライニング装置 Download PDFInfo
- Publication number
- WO2007105643A1 WO2007105643A1 PCT/JP2007/054693 JP2007054693W WO2007105643A1 WO 2007105643 A1 WO2007105643 A1 WO 2007105643A1 JP 2007054693 W JP2007054693 W JP 2007054693W WO 2007105643 A1 WO2007105643 A1 WO 2007105643A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- seat
- wedge
- reclining device
- resin
- friction sliding
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
- B60N2/2252—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms in which the central axis of the gearing lies inside the periphery of an orbital gear, e.g. one gear without sun gear
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
- A47C1/025—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of a rack-and-pinion or like gearing mechanism
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
- B60N2/2254—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms provided with braking systems
Definitions
- the present invention relates to a seat reclining device, and more particularly to a seat reclining device suitable for a vehicle seat reclining device.
- a seat gear lining device which employs a gear differential transmission mechanism and is capable of adjusting the backrest inclination angle. It is well known.
- this differential transmission mechanism the internal gear 1 (see FIG. 1) and the external gear 2 having a smaller number of teeth are combined and fitted in the shaft hole of the external gear 2. And, this differential transmission mechanism comprises a pair of wedge-shaped pieces 6, 6 'in an arc-shaped gap formed between the ring-shaped bearing bush 10 and the shaft 4 of the internal gear 1 and its sliding bearing 11.
- the compression coil panels 7 are provided so that the tapered ends 6a, 6 are arranged to be opposite to each other, and the elastic force is applied in the direction in which the two wedge-shaped pieces are separated.
- Such a differential transmission mechanism is also referred to as a Taumel mechanism, and in a reclining device for a car seat using this, a bearing bush 10 is provided inside the external gear 2 as described above, The wedge-shaped pieces 6 and 6 'are in friction-sliding contact with the bearing bush 10 (Patent Documents 1 and 2).
- the bearing bush 10 may have a sliding surface formed of a resin having good slidability and may be referred to as a wound bush, and has a laminated structure shown in FIG. A porous sintered layer 10b formed on top of the other, and a resin layer 10c made of a sliding resin composition with a portion partially filled in the pores of the porous sintered layer 10b. Stacked sliding bearings.
- Patent Document 1 JP-A-3-237904
- Patent Document 2 Japanese Patent Application Laid-Open No. 2004-33401
- the bearing bush press-fit surface of the external gear is precisely machined so that the bearing surface of the pressed-in bearing bush does not deform when press-fitting. I have to! /.
- the bearing bush of the above laminated structure has a standard dimension determined by the bearing manufacturer. This will limit the freedom of recliner design.
- the first object of the present invention is to eliminate the need for the bearing bush inside the external gear, that is, the precision processing of the bearing bush press-fit surface of the external gear can be omitted, and the creeping device
- the design freedom degree of the car is to be a device for re-seating seats such as car seats by means of a differential transmission mechanism (Taumel mechanism) that can be manufactured at low cost without being restricted by the standard specifications of bearing bushes.
- a further subject of the present invention is to solve the above-mentioned problems and to The durability of the differential transmission mechanism with the attached external gear is improved, and the resin layer of the bearing bush inside the external gear does not peel off and does not delaminate, resulting in a good difference in durability.
- This is a seat reclining device that can be applied to motor vehicle seats by means of a power transmission mechanism (Taumel mechanism).
- the present invention provides a differential transmission mechanism for adjusting the opening angle of a hinge connecting a seat surface portion and a backrest portion of a seat.
- the internal gear and the external gear having a smaller number of teeth are combined, and an arc-shaped gap formed between the shaft hole of the external gear and the shaft of the internal gear
- a panel is provided which arranges the tapered ends opposite to each other and applies an elastic force in the direction in which both wedge shaped pieces are separated, and the wedge shaped pieces are pressed by a cam provided on the shaft of the internal gear to
- the friction sliding surface of the wedge-shaped piece is a low friction sliding member. Because it is a seat reclining device that is characterized by That.
- the reclining device for a seat according to the present invention configured as described above is configured such that the friction sliding surface of the wedge-shaped piece is formed of a low friction sliding material, so that the wedge-shaped piece is in a predetermined arc-shaped gap.
- the inner circumferential surface of the shaft hole of the outer gear and the outer circumferential surface of the shaft of the inner gear contact with each other via the low friction sliding material.
- the low friction sliding material is selected as the base material by selecting the physical properties of the intermediate layer. Even in the case where the direct adhesive strength is low, it is possible to make a laminated integral with high adhesive strength.
- the low friction sliding material When the low friction sliding material is laminated and integrated with the base material, as a preferred intermediate layer of adhesion, A metal sprayed layer is mentioned. Due to the porous nature of the surface of the metal sprayed layer, the low friction sliding material exhibits an anchor effect, and a laminated structure with favorable adhesion is obtained immediately.
- the adhesion strength with the substrate becomes high.
- the intermediate layer is a metal spray layer, it is preferable because the low friction sliding material of the wedge-shaped piece can be firmly adhered to the substrate.
- the metal sprayed layer is made of a soft metal such as a copper alloy
- the counterpart material is not worn even when the low friction sliding material is worn, so it is desirable to maintain the lubricating characteristics. Yes.
- a soft metal such as a copper alloy has a high thermal conductivity and a high heat dissipation effect, abnormal temperature rise of the wedge due to frictional heat can be avoided in the event of abnormal wear.
- the low friction sliding material a resin with a low coefficient of friction is employed, and if the resin is formed as a film, the low friction sliding material can be easily formed.
- the above-mentioned resin coating is a fluorine-based resin, for example, a fluorine-based resin coating obtained by adding a fluorine-based resin to a binder resin and excellent in low friction characteristics.
- the fluorine resin coating is a fluorine resin coating containing one or more solid lubricants selected from graphite, molybdenum disulfide and metal oxides, abrasion resistance and peeling resistance are obtained. It is preferable because it has high quality.
- the fluorine resin coating comprises 60 to 130 parts by weight of a binder resin per 100 parts by weight of a fluorine resin, and at least one selected from graphite, molybdenum disulfide and metal oxides.
- the fluorine resin composition containing 5 to 30 parts by weight of the solid lubricant of the present invention is superior in low friction characteristics, abrasion resistance, and peeling resistance when adopting a fluorine resin coating which is made by molding. Become a person.
- a bearing bush having a sliding surface formed of a resin is fixedly provided in the axial hole of the external gear, Further, the friction sliding surface of the wedge-shaped piece is formed of the above-mentioned low friction sliding material.
- the friction sliding surface of the wedge-shaped piece is formed by the low friction sliding material, so that the wedge-shaped piece is in a predetermined arc-shaped gap.
- the resin layer of the bearing bush and the internal gear Contact with the outer peripheral surface of the shaft via a low friction sliding member.
- the frictional force receiving the wedge-shaped piece force becomes smaller than that in the conventional example having no low friction sliding material.
- the force to peel off the surface of the resin layer of the bush is reduced, and the resin layer of the bearing bush is not susceptible to surface force and peeling, and peeling from the inside of the layer (layer peeling phenomenon) also becomes difficult to occur.
- the low friction sliding material is selected as the intermediate layer's physical properties, and the low friction sliding material and the base material are selected. Even if the direct adhesion is low, it becomes possible to make a laminated integral in a high adhesion state, and it is durable for long-term use.
- the wedge-shaped piece is a low friction sliding material to the resin layer of the bearing bush. Contact.
- the seat is a car seat
- such a seat reclining device can sufficiently exhibit the above-described function in the car seat reclining device.
- the friction sliding surface of the wedge-shaped piece is low.
- the wedge-shaped piece is always in contact with the inner circumferential surface of the outer gear shaft hole or the outer circumferential surface of the inner gear shaft via the low friction sliding material. Therefore, it is not necessary to provide a bearing bush in advance for the part in frictional contact with the wedge-shaped piece, so that precise processing of the bearing bush press-fit surface in the conventional external gear etc. can be omitted.
- there is no need to be restricted by the standard bearing bush standard and there is a ⁇ IJ point that will be a reclining device for seats such as automobile seats that can be manufactured at low cost.
- the friction sliding contact surface of the wedge-shaped piece has a low friction sliding material integrally laminated through an intermediate layer such as a metal spray layer
- the low friction sliding material has the physical properties of the intermediate layer.
- a low friction sliding material such as fluorine resin was formed on the wedge-shaped piece via an intermediate layer. If it is, the adhesion strength with a base material will become high. In particular, when the intermediate layer is a metal sprayed layer, it is preferable because the low friction sliding material of the wedge-shaped piece can be firmly and firmly adhered to the substrate.
- a fluorine resin coating containing a predetermined solid lubricant has high abrasion resistance and peel resistance.
- the friction sliding contact surface of the wedge-shaped piece is formed of a low friction sliding material, so that the wedge-shaped piece is against the bearing bush in the shaft hole of the external gear.
- the resin layer of the bearing bush in frictional contact with the wedge-shaped piece is less likely to peel off, and car seats etc. with a durable differential transmission mechanism (Taumel mechanism) It also has the advantage of being a reclining device for your seat.
- FIG. 1 is a partially cutaway sectional view of a reclining device according to a first embodiment.
- FIG. 3 Partially cutaway sectional view of the reclining device according to the second embodiment
- FIG. 5 Partial cutaway sectional view of the main part of the conventional reclining device
- the first embodiment is a reclining device provided with a predetermined differential transmission mechanism for adjusting the opening angle of the hinge that connects the seat portion and the backrest portion of the seat.
- the differential transmission mechanism combines the internal gear 1 and the external gear 2 having a slightly smaller number of teeth, and the small diameter portion of the cam 5 integral with the shaft hole 3 of the external gear 2 and the shaft 4 of the internal gear 1.
- the external gear is provided with a compression coil panel 7 that applies an elastic force, and the wedge-shaped pieces 6 and 6 'are pushed by a cam 5 provided integrally with the shaft 4 of the internal gear 1 to slide in an arc-shaped gap.
- 2 is a seat reclining device that separates from the internal gear 1 and disengages and the hinge opening angle can be adjusted.
- At least the outer surface 6b, which is the friction sliding surface of the wedge-shaped pieces 6, 6 ', is formed of a low friction sliding material.
- the external gear 2 has one or more teeth smaller than the internal gear 1, if the range is illustrated as an example, 1
- the number of teeth is approximately 10 to 10, preferably about 2 to 5, and usually about 1 to 3.
- the relationship between such numbers of teeth is not particularly limited.
- the form of the panel giving elastic force in the direction in which the two wedge-shaped pieces 6 and 6 'move away is illustrated as a compression coil panel, a ring-shaped panel with partially cut out, or It is possible to adopt well-known parts having elastic action such as dampers, rubbers, and elastic resins. Further, as the friction sliding contact surface of the wedge-shaped piece 6, the outer surface 6b in sliding contact with the shaft hole 3 of the external gear 2 and the inner surface 6c in sliding contact with the cam 5 integral with the shaft 4 of the internal gear 1 The force that is the friction sliding surface, particularly the outer surface 6b, is required to have wear resistance.
- a low friction sliding material may be formed on one or more of the other end face 6d, the panel holding recess 6e, and the pair of facing front and rear faces 6f.
- a low friction sliding material consisting of a resin to part or all of the wedge-shaped pieces 6, 6, 6 by immersion or spraying, and drying or heat curing with drying.
- a coating of a low friction sliding material can be formed on the contact surface of the wedge-shaped piece on the rubbing surface.
- the base material of the wedge-shaped pieces 6, 6 ' is made of metal, and in particular, when the iron-based sintered material is formed, a resin-based low friction sliding material coating is applied on the surface The adhesion is good when it is provided.
- Examples of the low friction sliding material used in the present invention include V, so-called solid lubricants, and examples thereof include known low friction materials such as molybdenum disulfide, graphite, carbon, fluorine resin and the like. Materials can be used.
- fluorine-containing resins are preferred because they are excellent in low friction characteristics, seizing resistance and low cost.
- the fluorine resin is a heat-resistant material that can withstand frictional heat.
- PTFE tetrafluoroethylene-hexafluoropropylene copolymer
- tetrafluoroethylene perylene etc.
- fluoroalkyl ether copolymer tetrafluoroethylene-ethylene copolymer
- polychlorotrifluoroethylene ethylene-chlorotrifluoroethylene copolymer and the like.
- Each of these may be a single or two or more copolymers, three copolymers, etc.
- PTFE is preferable because it has the best heat resistance among fluorine resins and exhibits excellent slidability even at normal temperature. Furthermore, among PTFE, it is preferable to use lubricant grade powder PTFE. As a powder sale of lubricant grade powder, polyflon M15, rubron L-2 (trade name of Daikin Industries, Ltd.), Teflon TLP-10 (trade name of DuPont), Fluon G163 (trade name of Asahi Glass Co., Ltd.) and the like can be mentioned.
- Lubricant grade powder powder PTFE refers to regenerated PTFE obtained by crushing PTFE, which has been fired once, or PTFE powder obtained by reducing the molecular weight by gamma irradiation treatment, which is a commercially available product obtained by gamma irradiation treatment.
- An example is KT400H (brand name made by Kitamura Corporation).
- the form of the PTFE may be either a powder for molding or V, a fine powder for so-called solid lubricants, and the average particle size is 0.1 to 21 1, preferably 0. It should be in the range of 2 to 10 / ⁇ . When the particle size is within this range, it is uniformly dispersed in the coating which is difficult to agglomerate in the coating agent.
- a fluorine resin coating is preferable because the wear resistance and the peeling resistance become high by using a binder resin in combination.
- the resin In addition to firmly adhering to the base material made of sintered material, which is the base, without thermally deteriorating the fluorine resin coating, the resin also functions to bind the powdered fluorine resin and other compounds.
- binder resins include polyimide resins, epoxy resins, phenol resins and silicone resins. Among them, polyimide resins are most excellent in heat resistance and adhesion! Ru.
- polyimide-based resins include polyimide resin ( ⁇ ), polyamide imide resin ( ⁇ ), polyester imide resin, polyesteramide imide resin, etc. Among them, ⁇ and ⁇ are preferred. It is preferable that an imide bond or an amide bond is further bonded via an aromatic group, and an aromatic polyimide resin resin or an aromatic polyamideimide resin resin is particularly preferable.
- ⁇ is a resin having an imide bond and an amide bond.
- the imide bond of the aromatic polyamideimide resin may be a precursor such as a polyamic acid, a closed imide ring or a mixed imide ring.
- aromatic polyamideimide resin include aromatic primary diamine (for example, diphenylmethanediamine) and aromatic tribasic acid anhydride (for example, mono- or di-cyanocyanolide derivatives of trimet anhydride). And aromatic diisocyanate compounds (eg, diphenylmethane diisocyanate) and aromatic tribasic acid anhydrides.
- an aromatic, aliphatic or alicyclic disisocyanate compound and an aromatic tetrabasic acid dianhydride and an aromatic tribasic acid are used. There are some that are produced from anhydrides and so on, and any soot can be used.
- the fluorine-containing resin coating may contain, as another compounding agent, a known compounding agent used for the fluorine-containing resin coating.
- a known compounding agent used for the fluorine-containing resin coating metal oxides such as graphite, molybdenum disulfide, iron oxide, titanium oxide, magnesium oxide, aluminum oxide, etc. improve the abrasion resistance of the coating Desirable to be formulated for U ,.
- the fluorine resin coating is a binder resin 60 to 130 parts by weight, 100 parts by weight fluorine resin, and at least one solid lubricant selected from graphite, molybdenum disulfide and metal oxide powder.
- the fluorine resin composition blended in 5 to 30 parts by weight it is possible to better exhibit the adhesion to the base material, which is a sintered material-made wedge-shaped piece, and the abrasion resistance of the film.
- the amount of the binder resin is less than 60 parts by weight with respect to 100 parts by weight of the fluorine resin, the adhesion is lowered, and when the amount is more than 130 parts by weight, the low friction characteristics are deteriorated.
- the low-friction sliding material provided on the friction sliding surface of the wedge-shaped piece in the present invention is formed, for example, on an iron-based sintered metal substrate via an intermediate layer, It can be formed by enhancing the adhesion strength with the low friction sliding material.
- the intermediate layer may be any layer as long as fine irregularities are formed on the surface, but the layer formed by thermal spraying is preferred because the film thickness is not large and the anchor effect is high. It is a thing.
- the low-friction sliding material provided on the friction sliding surface of the wedge-shaped piece in the present invention is, for example, shot-blasted on the surface of the base material which also has an iron-based sintered metal force.
- the surface roughness is in the range of 5 to 50 / ⁇ for Rz.
- the second embodiment is substantially the same as the first embodiment except that a predetermined differential is provided to adjust the opening angle of the hinge connecting the seat portion and the back portion of the seat. It is a reclining device provided with a transmission mechanism, and the differential transmission mechanism is the same as that of the first embodiment only in that a bearing bush 10 whose sliding surface is formed of a resin is disposed in the shaft hole 3 of the external gear 2. It is different.
- the internal gear 1 and the external gear 2 having a slightly smaller number of teeth are engaged, and the sliding surface disposed in the shaft hole 3 of the external gear 2 is formed of resin
- a pair of wedge-shaped pieces 6, 6 ' have their tapered ends 6a, 6 They are arranged to be opposite to each other.
- the friction sliding surface of the wedge-shaped piece 6 having the same structure as that of the first embodiment shown in FIG. 2 includes an outer surface 6 b in sliding contact with the bearing bush 10 of the external gear 2 and an axis of the internal gear 1.
- An inner side surface 6c in sliding contact with the integral cam 5 is the main friction sliding surface, but in particular, the outer side surface 6b is required to have wear resistance.
- One or more of the other end face 6d, the panel holding recess 6e, and the pair of facing front and back faces 6f are also objects to be formed by the low friction sliding material.
- the bearing bush 10 used in the present invention is not limited to a resin molded product (one-piece molded product) that can be made as long as the sliding surface is made of a slidable resin. It is possible to use a well-known multi-layer bearing by molding or the like, and for example, a porous sintered body made of sintered back material such as copper alloy powder formed on a back metal 10a which also has a force such as steel or copper.
- Binder layer 1 Ob and a sliding resin composition in which the pores of the porous sintered layer 10b are partially filled for example, polytetrafluoroethylene containing 30 to 50% by weight of graphite powder It is possible to use one that also has a laminated body force consisting of the resin layer 10c made of fat.
- the bearing bush 10 is a resin having a slidable sliding surface, and it is appropriate that the backing metal is laminated and integrated through an intermediate layer (binder layer) having good adhesion with the resin. .
- the same material as the low friction sliding material described above can be used.
- the force to peel off the surface of the resin layer 10 c of the bearing bush 10 is reduced by the contact between the resin smooth surface and the low friction sliding material, and the force of the bearing bush 10 is reduced.
- the surface tension of the resin layer is also difficult to peel off in layers, or it is difficult to peel off from the intermediate layer (binder layer) or backing metal as the base material.
- Example 1 100 parts by weight of polytetrafluoroethylene (PTFE), 90 parts by weight of polyamide imide resin as a binder resin, and acid as a compounding agent were applied to the entire surface of the wedge-shaped piece which is also an iron-based sintered material. After coating with a coating material (NTN Precision Resins Co., Ltd .: Beary FL 7075) which becomes 10 parts by weight of iron oxide, it is baked at about 230 ° C and a fluorine resin coating made of PTFE having a thickness of 0.025 mm It formed.
- a coating material NTN Precision Resins Co., Ltd .: Beary FL 7075
- Example 2 after forming a copper sprayed layer consisting of 95% copper and 5% tin on the surface of a wedge-shaped piece which is also an iron-based sintered material, 100 weight of polytetrafluoroethylene (PTFE) is further formed on the entire surface.
- PTFE polytetrafluoroethylene
- a coating material NTN Precision Resins Co., Ltd .: Beary FL 7075
- Example 3 a nickel sprayed layer is formed on the surface of a wedge-shaped piece which is also an iron-based sintered material, and 100 parts by weight of polytetrafluoroethylene (PTFE) is further added to the entire surface, and polyamideimide is used as a binder resin. 100 parts by weight of graphite and 20 parts by weight of graphite as a compounding agent After spray coating with a coating material (NTN Precision Resins Co., Ltd .: Beary RCB), it is baked at about 230 ° C to obtain PTFE force with a thickness of 0.025 mm. A fluorine resin coating was formed.
- a coating material NTN Precision Resins Co., Ltd .: Beary RCB
- the wedge shaped piece thus obtained is assembled to the seat reclining device shown in FIGS. 1 and 2.
- the sliding movement was extremely smooth, and the external gear 2 quickly moved away from the internal gear and the opening angle of the hinge could be smoothly adjusted.
- Example 4 a primer consisting of tetrafluoroethylene-perfluoroalkyl ether copolymer (PFA) and a polyimide resin was applied to the entire surface of the base of a template piece molded of an iron-based sintered material, After drying, a PFA-based coating material (NT N Precision Resins Co., Ltd .: Barely FE 7090) is spray-coated, and then fired at about 350 ° C. A fat film was formed.
- PFA tetrafluoroethylene-perfluoroalkyl ether copolymer
- Example 5 forms a copper sprayed layer composed of 95% copper and 5% tin on the surface of a wedge-shaped piece made of the same iron-based sintered material as in Example 4, and further forms polytetrafluoroethylene (all over the surface).
- Coating material consisting of 100 parts by weight of PTFE and 90 parts by weight of polyamideimide resin as a binder resin (NTN Precision Resins Co., Ltd .: BEAREE FE7030) is spray coated and baked at about 230 ° C. A fluorine resin coating was also formed that would also provide a PTFE force of 0.025 mm.
- Example 6 a nickel sprayed layer is formed on the surface of a wedge-shaped piece made of the same iron-based sintered material as in Example 4, and 100 parts by weight of polytetrafluoroethylene (PTFE) on the entire surface, and binder.
- PTFE polytetrafluoroethylene
- a coating material consisting of 100 parts by weight of polyamideimide as a resin and 20 parts by weight of graphite as a compounding agent (NTN Precision Resins Co., Ltd .: Beary RCB) is spray coated and then fired at about 230 ° C.
- a fluorine resin coating was also formed that would also provide a PTFE force of 0.025 mm.
- Comparative Example 1 the surface of the iron-based sintered material of the same type as that of Example 4 was polished to perform surface finishing.
- wedge-shaped pieces 6 and 6 ′ are internal gears by the rotation operation of the control lever. When pressed by a cam provided on the shaft of the shaft, it can slide and move extremely smoothly, and the external gear 2 The opening angle of the hinge was able to be adjusted smoothly apart from the internal gear due to the force.
- the bearing bush 10 is a coating material mainly composed of polytetrafluoroethylene (PTFE) through a thermal spray layer of copper tin alloy on a knock metal which also has iron-based steel plate strength (manufactured by NTN Precision Resins Co., Ltd .: barely FL 7075) is coated.
- PTFE polytetrafluoroethylene
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US12/224,888 US7878594B2 (en) | 2006-03-10 | 2007-03-09 | Seat reclining device |
CN2007800086674A CN101400281B (zh) | 2006-03-10 | 2007-03-09 | 座席的斜靠装置 |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
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JP2006066341 | 2006-03-10 | ||
JP2006-066341 | 2006-03-10 | ||
JP2006-150039 | 2006-05-30 | ||
JP2006150039 | 2006-05-30 | ||
JP2007-030655 | 2007-02-09 | ||
JP2007030655A JP2008006265A (ja) | 2006-05-30 | 2007-02-09 | 座席のリクライニング装置 |
JP2007-032380 | 2007-02-13 | ||
JP2007032380A JP2007268251A (ja) | 2006-03-10 | 2007-02-13 | 座席のリクライニング装置 |
Publications (1)
Publication Number | Publication Date |
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WO2007105643A1 true WO2007105643A1 (ja) | 2007-09-20 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/054693 WO2007105643A1 (ja) | 2006-03-10 | 2007-03-09 | 座席のリクライニング装置 |
Country Status (3)
Country | Link |
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KR (1) | KR20080113350A (ja) |
CN (1) | CN101400281B (ja) |
WO (1) | WO2007105643A1 (ja) |
Cited By (1)
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JP2010025133A (ja) * | 2008-07-15 | 2010-02-04 | Toyota Boshoku Corp | 歯車及びこの歯車を用いた連結装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101034308B1 (ko) * | 2008-10-17 | 2011-05-16 | 현대다이모스(주) | 차량 시트용 올덤 커플링 타입 리클라이닝 장치 |
US8038218B2 (en) * | 2009-09-04 | 2011-10-18 | Lear Corporation | Tapered retainer clip for reclining mechanism for vehicle seats |
JP5627925B2 (ja) * | 2010-05-17 | 2014-11-19 | トヨタ紡織株式会社 | 車両用シートの連結装置 |
JP6977336B2 (ja) * | 2017-06-29 | 2021-12-08 | ブラザー工業株式会社 | ヒンジ装置および画像形成装置 |
CN111219114A (zh) * | 2018-11-27 | 2020-06-02 | 向阳技研株式会社 | 角度可调铰链 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS63303048A (ja) * | 1987-06-03 | 1988-12-09 | Toyota Motor Corp | シフトフオ−ク |
JPH05211925A (ja) * | 1991-06-18 | 1993-08-24 | Keiper Recaro Gmbh & Co | 調節可能な背もたれを持つ座席用の継手装置 |
JPH10120980A (ja) * | 1996-10-18 | 1998-05-12 | Ntn Corp | 耐摩耗性・非粘着性コーティング剤および摺動部材 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10341498A1 (de) * | 2003-09-06 | 2005-04-14 | C. Rob. Hammerstein Gmbh & Co. Kg | Vorrichtung zum Feststellen eines ersten Teils eines Kraftfahrzeugsitzes gegenüber einem zweiten Teil |
DE102004013272B3 (de) * | 2004-03-18 | 2006-01-26 | Faurecia Autositze Gmbh & Co. Kg | Neigungsverstellbeschlag für die Rückenlehne eines Kraftfahrzeugsitzes |
-
2007
- 2007-03-09 CN CN2007800086674A patent/CN101400281B/zh not_active Expired - Fee Related
- 2007-03-09 WO PCT/JP2007/054693 patent/WO2007105643A1/ja active Application Filing
- 2007-03-09 KR KR1020087020741A patent/KR20080113350A/ko not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63303048A (ja) * | 1987-06-03 | 1988-12-09 | Toyota Motor Corp | シフトフオ−ク |
JPH05211925A (ja) * | 1991-06-18 | 1993-08-24 | Keiper Recaro Gmbh & Co | 調節可能な背もたれを持つ座席用の継手装置 |
JPH10120980A (ja) * | 1996-10-18 | 1998-05-12 | Ntn Corp | 耐摩耗性・非粘着性コーティング剤および摺動部材 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010025133A (ja) * | 2008-07-15 | 2010-02-04 | Toyota Boshoku Corp | 歯車及びこの歯車を用いた連結装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101400281B (zh) | 2010-12-22 |
KR20080113350A (ko) | 2008-12-30 |
CN101400281A (zh) | 2009-04-01 |
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