Patent US2588596A successfully refreshed from Google Patents.
US4883318A
Expired / Lapsed
US
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Vehicle seat
Assignee: Tachi S Co Ltd
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Filing: 1987-10-13
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Granted: 1989-11-28
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Expires: 2007-10-13
Abstract
Abstract An improved vehicle seat comprising a cushion member formed of foam material is disclosed which is provided with a frame-like shape-retaining member of a wire material embedded within the cushion member. The shape-retaining member includes a buttocks support element to which a peripheral element is pivotably connected for up and down rotation with respect to the buttocks support section to provide a continuous top sitting surface for the buttocks support element and the movable peripheral support sections.
Inventors
- 👤 Mitsuhiro Adachi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:08
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/58; B60N2/5816; B60N2/5825; A; A47; A47C; A47C7/00; A47C7/02; A47C7/029; B60N2/62; B60N2/90; B60N2/986; Y; Y10; Y10S; Y10S297/00; Y10S297/01
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
210 words
A vehicle seat comprising: (a) a cushion member made of a foam material, said cushion member including a buttocks support section and a (peripheral) thigh support section, wherein both said buttock support section and said (peripheral) thigh support section are integrally formed with each other; (b) a shape-retaining frame-like member for retaining the shape of said cushion member, said shape-retaining member being wholly embedded within said cushion member and comprising a fixed frame-like element located in said buttocks support section of said cushion member and a movable frame-like element located in said (peripheral) thigh support section of said cushion member, the lateral edges of fixed and moveable elements being bent upwardly to conform to the peripheral contour of said cushion, and said movable element being pivotally connected for rotation to said fixed element so as to be movable vertically relative thereto; and (c) means for raising and lowering said movable frame-like element and said (peripheral) thigh support section of said cushion member therewith, said means being located at the bottom portion of said (peripheral) thigh support section, whereby said (peripheral) thigh support section can be pivotally adjusted up and down by vertical rotation with respect to said buttocks support section while maintaining a continuous sitting surface on said cushion member.
Claim 2
Dependent Claim
210 words
A vehicle seat comprising: (a) a cushion member made of a foam material, said cushion member including a buttocks support section and a (peripheral) thigh support section, wherein both said buttock support section and said (peripheral) thigh support section are integrally formed with each other; (b) a shape-retaining frame-like member for retaining the shape of said cushion member, said shape-retaining member being wholly embedded within said cushion member and comprising a fixed frame-like element located in said buttocks support section of said cushion member and a movable frame-like element located in said (peripheral) thigh support section of said cushion member, the lateral edges of fixed and moveable elements being bent upwardly to conform to the peripheral contour of said cushion, and said movable element being pivotally connected for rotation to said fixed element so as to be movable vertically relative thereto; and (c) means for raising and lowering said movable frame-like element and said (peripheral) thigh support section of said cushion member therewith, said means being located at the bottom portion of said (peripheral) thigh support section, whereby said (peripheral) thigh support section can be pivotally adjusted up and down by vertical rotation with respect to said buttocks support section while maintaining a continuous sitting surface on said cushion member.
Claim 3
Dependent Claim
24 words
The vertical seat of claim 1 wherein said peripheral support section comprises a thigh support section which supports both thighs of a passenger simultaneously.
Claim 4
Dependent Claim
26 words
The vehicle seat of claim 1 wherein said seat includes two side support sections on the left and right hand sides of said buttocks support section.
Claim 5
Dependent Claim
23 words
The vehicle seat of claim 1 wherein said foam material is urethane foam material and said frame-like elements are made of wire stock.
Claim 6
Dependent Claim
40 words
The vehicle seat of claim 4 wherein said shape-retaining frame-like member is embedded in said cushion member by fixing said shape-retaining member in a mold for forming said cushion member and foaming said urethane material to form said cushion member.
Claim 7
Dependent Claim
23 words
The vehicle seat of claim 1 wherein said fixed element and said movable elements are connected to each other by means of clips.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-11-27 | 1993-05-29 | 1993-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-11-27 | 1997-05-29 | 1997-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-11-27 | 2001-05-29 | 2001-11-28 | $7700.00 | Window Closed / Lapsed |