US4403356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat cushions
Assignee: Tachi S Co Ltd
•
Filing: 1980-10-30
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Granted: 1983-09-13
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Expires: 2000-10-30
Abstract
Abstract A seat cushion for use in a seat of, for example, an automobile is manufactured by preparing a seat surface covering including a seating portion of fabric material and side portions of suitable material joined by sewing or high-frequency welding to the seating portion, and bonding a skinless molded block of cushion providing material or a profile-cut slab of cushion providing material to the seating portion of the seat surface covering by a bonding agent distributed at scattered points.
Inventors
- 👤 Muneharu Urai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:59
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/18; B; B32; B32B; B32B5/00; B32B5/02; B32B5/06; B32B5/18; B32B5/22; B32B5/24; B32B5/245; B32B7/00; B32B7/04; B32B7/12; B32B7/14; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/0278; Y; Y10; Y10S; Y10S297/00; Y10S297/01
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
59 words
A seat cushion comprising a seat surface covering including a seating portion of fabric material shaped to conform to a required surface configuration and seat side portions joined to said seating portion, and a mass of cushion providing material bonded by a bonding agent to said seating portion of said seat surface covering at a plurality of distributed points.
Claim 2
Dependent Claim
59 words
A seat cushion comprising a seat surface covering including a seating portion of fabric material shaped to conform to a required surface configuration and seat side portions joined to said seating portion, and a mass of cushion providing material bonded by a bonding agent to said seating portion of said seat surface covering at a plurality of distributed points.
Claim 3
Dependent Claim
29 words
A seat cushion as claimed in claim 1, wherein a plurality of filler pad strips are bonded to areas of the surface of said mass of cushion providing material.
Claim 4
Dependent Claim
31 words
A seat cushion as claimed in claim 1, wherein said seating portion and said side portions are joined together by sewing with a sewing machine or welding with a high-frequency welder.
Claim 5
Dependent Claim
35 words
A seat cushion as claimed in claim 1, wherein said seating portion is extended to provide said side portions so that said seat surface covering can be made of a single piece of fabric material.
Claim 6
Dependent Claim
19 words
A seat cushion as claimed in claim 1, wherein said bonding agent is distributed in a scattered dot pattern.
Claim 7
Dependent Claim
29 words
A seat cushion as claimed in claim 1, wherein a plurality of slab chips are bonded to spaced areas of the surface of said mass of cushion providing material.
Claim 8
Dependent Claim
39 words
A seat cushion as claimed in claim 1, wherein said seat cushion has a seating portion with an area where concentrated deformation will appear underload, and said bonding agent is not present at said area of said seating portion.
Claim 9
Dependent Claim
74 words
A seat cushion comprising: a seat surface covering including a seat portion of fabric material which has an embossed three-dimensional surface form and side portions connected with said seat portion, and a mass of cushion providing material which has a complementary shape to said three-dimensional surface form of said seat portion and an easy bonding surface; said cushion providing material being bonded to the seat portion of said seat surface covering at distributed points.
Claim 10
Dependent Claim
74 words
A seat cushion comprising: a seat surface covering including a seat portion of fabric material which has an embossed three-dimensional surface form and side portions connected with said seat portion, and a mass of cushion providing material which has a complementary shape to said three-dimensional surface form of said seat portion and an easy bonding surface; said cushion providing material being bonded to the seat portion of said seat surface covering at distributed points.
Claim 11
Dependent Claim
40 words
A seat cushion as in claim 8, wherein said side portions initially are separate from said seat portion, and said cushion providing material is bonded to said seat portion of fabric material at distributed points over its full surface area.
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) | 1986-09-12 | 1987-03-14 | 1987-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-09-12 | 1991-03-14 | 1991-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-09-12 | 1995-03-14 | 1995-09-13 | $7700.00 | Window Closed / Lapsed |