Claims
- 1. A seat cushion subassembly comprising:
- a cushioning layer defining a sitting area on which a seat occupant is to sit, said cushioning layer being deformable in response to the seat occupant sitting on said sitting area;
- means for maintaining said cushioning layer in a deformed shape, resulting from the seat occupant sitting on said sitting area, after the seat occupant leaves said sitting area;
- an outer layer separate from and positioned over said cushioning layer and deformable therewith in response to the seat occupant sitting on said sitting area; and
- a plurality of spring means, operatively positioned with respect to said outer layer and said cushioning layer, for restoring said outer layer away from said cushioning layer to an original shape of said outer layer upon the seat occupant leaving said seat area while said cushioning layer remains in said deformed shape.
- 2. A seat cushion subassembly as claimed in claim 1, wherein said spring means comprises a plurality of wire springs connected to said subassembly.
- 3. A seat cushion subassembly as claimed in claim 2, wherein said wire springs extend in a widthwise direction of said seat cushion.
- 4. A seat cushion subassembly as claimed in claim 2, wherein said wire springs are mounted on a layer surface of said outer layer.
- 5. A seat cushion subassembly as claimed in claim 2, wherein said wire springs have a wave configuration.
- 6. A seat cushion subassembly as claimed in claim 1, wherein said spring means comprise a plurality of leaf springs connected to said subassembly.
- 7. A seat cushion subassembly as claimed in claim 6, wherein said leaf springs extend in a widthwise direction of said seat cushion.
- 8. A seat cushion subassembly as claimed in claim 6, wherein said leaf springs are mounted on a lower surface of said outer layer.
Priority Claims (4)
Number |
Date |
Country |
Kind |
63-144368 |
Jun 1988 |
JPX |
|
63-193209 |
Aug 1988 |
JPX |
|
1-93895 |
Apr 1989 |
JPX |
|
1-55040[U]JPX |
May 1989 |
JPX |
|
Parent Case Info
This application is a division of now abandoned application Ser. No. 07/741,969, filed Aug. 6, 1991 which was a continuation of now abandoned application Ser. No. 07/362,698, filed Jun. 7, 1989.
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143742 |
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EPX |
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EPX |
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EPX |
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JPX |
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JPX |
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Dec 1984 |
JPX |
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Feb 1985 |
JPX |
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Jul 1985 |
JPX |
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Jul 1985 |
JPX |
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Aug 1985 |
JPX |
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Sep 1985 |
JPX |
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Oct 1985 |
JPX |
61-86054 |
Jun 1986 |
JPX |
2168893 |
Jul 1986 |
GBX |
Non-Patent Literature Citations (4)
Entry |
Patent Abstracts of Japan, vol. 9, No. 107 (M-378), May 11, 1985; & JP-A-59230833 (Hitachi Seisakusho) Dec. 25, 1984 *abstract*. |
Patent Abstracts of Japan, vol. 8, No. 191 (M-322)(1628), Sep. 4, 1984. |
Patent Abstracts of Japan, vol. 11, No. 111 (M-578), Apr. 8, 1987. |
Patent Abstracts of Japan, vol. 9, No. 77 (M-369), Apr. 6, 1985. |
Divisions (1)
|
Number |
Date |
Country |
Parent |
741969 |
Aug 1991 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
362698 |
Jun 1989 |
|