Patent US4627664A successfully refreshed from Google Patents.
US4627664A
Expired / Lapsed
US
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Seat assembly
Assignee: AISN SEIKI KK
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Filing: 1983-10-21
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Granted: 1986-12-09
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Expires: 2003-10-21
Abstract
Abstract A seat cushion having a member in the shape of, for example, a net embedded in a cushion pad, having required portions exposed above the surface of the pad, and formed from a material which is weldable by high frequency electric heating. The exposed portions are welded to a pad cover to secure it to the pad.
Inventors
- 👤 Hiroshi Okazaki
- 👤 Motoi Hyodo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:40
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0092; Y; Y10; Y10S; Y10S297/00; Y10S297/01; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
88 words
A seat assembly having a seat cushion comprising: a seat pad having an outer surface; a pair of support members embedded within said seat a net embedded within said seat pad and extending along a substantial portion of said seat pad between said pair of support members, said net including predetermined sections extending along said outer surface and being formed of a heat weldable material; and a seat cover enveloping a portion of said outer surface, said predetermined sections of said net being welded to said seat cover.
Claim 2
Dependent Claim
88 words
A seat assembly having a seat cushion comprising: a seat pad having an outer surface; a pair of support members embedded within said seat a net embedded within said seat pad and extending along a substantial portion of said seat pad between said pair of support members, said net including predetermined sections extending along said outer surface and being formed of a heat weldable material; and a seat cover enveloping a portion of said outer surface, said predetermined sections of said net being welded to said seat cover.
Claim 3
Dependent Claim
20 words
The seat assembly as defined in claim 1, wherein said seat cover is also formed of said heat weldable material.
Claim 4
Dependent Claim
42 words
The seat assembly as defined in claim 1, further including a plurality of means formed of said heat weldable material for adhering said heat pad to said seat cover, said adhering means being positioned on said seat cover proximate said predetermined sections.
Claim 5
Dependent Claim
19 words
The seat assembly as defined in claim 3, wherein said adhering means include a plurality of individual tape sections.
Claim 6
Dependent Claim
38 words
The seat assembly as defined in any one of claims 1 through 4, wherein said heat weldable material consists of material weldable by high frequency electric heating selected from a group consisting of nylon, polyester and vinyl chloride.
Claim 7
Dependent Claim
25 words
The seat assembly as defined in claim 1, wherein said predetermined sections are arranged as a plurality of interconnected strips of said heat weldable material.
References Cited (Backward Citations)
US2303195A
Cited
US2782839A
Cited
US3649974A
Cited
US3794378A
Cited
US3961823A
Cited
DE2644592A1
Cited
US4378396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-12-08 | 1990-06-09 | 1990-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-08 | 1994-06-09 | 1994-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-08 | 1998-06-09 | 1998-12-09 | $7700.00 | Window Closed / Lapsed |