US3602548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upholstery construction for adjustable chairs
Assignee: SURGICAL MECHANICAL RESEARCH I
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Filing: 1969-10-20
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Granted: 1971-08-31
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Expires: 1989-10-20
Abstract
Abstract An upholstery construction particularly adapted for chairs used by doctors'' patients, such chairs having a head-back support, a seat support and a leg support which are pivotally interconnected for relative angular movement between a position in which the patient is supported in a sitting position and a position in which the patient is supported in a reclined position, the upholstery having corresponding cushions which are interconnected and relatively movable to conform to the chair; the upholstery including a longitudinally extending centrally disposed strap construction connected to the upholstery cushions to permit limited longitudinal movement and is yieldably secured to the head-back, seat and leg supports to permit change in the relative position of the cushions to correspond to change in angular relation of the supports.
Inventors
- 👤 Guenter A Grams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:04
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/10; A47C31/11; A47C7/00; A47C7/02; A47C7/18; Y; Y10; Y10S; Y10S5/00; Y10S5/932
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
169 words
An upholstery construction for patients'' chairs having a head-back supporting member, a seat member and a leg-supporting member, said members being rigid, spaced from each other and relatively movable between a position to receive a patient in a seated position and a position to receive the patient in a reclined position, said upholstery construction comprising: a. a padded cushion means extending the combined lengths of the chair members, said cushion means having foldable portions of reduced thickness spanning the space between the chair members to permit folding of the cushion means in conformity to the chair members throughout the range of their relative movement; and b. a strap structure extending lengthwise of and secured to said cushion means and having stretchable portions extending between adjacent edges of the chair members, over said edges to the back sides of said chair members and attached thereto, said stretchable portions yieldably securing the cushion means to the chair members to compensate for changes in angular relation and spacing of the chair members.
Claim 2
Dependent Claim
169 words
An upholstery construction for patients'' chairs having a head-back supporting member, a seat member and a leg-supporting member, said members being rigid, spaced from each other and relatively movable between a position to receive a patient in a seated position and a position to receive the patient in a reclined position, said upholstery construction comprising: a. a padded cushion means extending the combined lengths of the chair members, said cushion means having foldable portions of reduced thickness spanning the space between the chair members to permit folding of the cushion means in conformity to the chair members throughout the range of their relative movement; and b. a strap structure extending lengthwise of and secured to said cushion means and having stretchable portions extending between adjacent edges of the chair members, over said edges to the back sides of said chair members and attached thereto, said stretchable portions yieldably securing the cushion means to the chair members to compensate for changes in angular relation and spacing of the chair members.
Claim 3
Dependent Claim
50 words
An upholstery construction, as defined in claim 1, wherein: a. the strap structure further includes a guide portion exposed at the outer side of the cushion covering the head-back member and extending over the top thereof for attachment thereto; b. and a headrest is slidably adjustable on the guide portion.
Claim 4
Dependent Claim
53 words
An upholstery construction, as defined in claim 1, wherein: a. said strap structure includes a guide strap inserted through the midportion of the head-back cushion to the front side thereof and extending over the head portion thereof for attachment to the chair; b. and a headrest is slidably supported by the guide strap.
Claim 5
Dependent Claim
40 words
An upholstery construction, as defined in claim 1, wherein: a. the foldable juncture between the seat and leg cushions includes portions folded into confronting relation to permit limited movement of the seat and leg cushions to and from each other.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-30 | 1975-03-01 | 1975-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-30 | 1979-03-01 | 1979-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-30 | 1983-03-01 | 1983-08-31 | $7700.00 | Window Closed / Lapsed |