Patent US4252367A successfully refreshed from Google Patents.
US4252367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sling chair
Assignee: Telescope Casual Furniture Inc
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Filing: 1979-06-15
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Granted: 1981-02-24
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Expires: 1999-06-15
Abstract
Abstract The sling is secured in a front cross-bar which is pivotally mounted in a suspended manner at the front of the chair to accommodate the various positions of an occupant. A flexible plate is also secured to the front cross-bar under the sling to increase the contact area with an occupant's legs and thus spread the load.
Inventors
- 👤 Robert D. Vanderminden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:28
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/28; A47C4/32; A47C4/34; A47C4/38; A47C4/40; A47C4/30
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
85 words
A sling chair comprising a collapsible support frame having a cross bar at a front thereof; a sling secured in said support frame and having one end fixed to said cross bar; means for suspending said cross bar within said frame in pivotal relation; and a flexible plate secured to said cross bar and extending under said sling towards a rear of the chair to spread the point of contact of said cross bar over a relatively wide area of the legs of an occupant.
Claim 2
Dependent Claim
85 words
A sling chair comprising a collapsible support frame having a cross bar at a front thereof; a sling secured in said support frame and having one end fixed to said cross bar; means for suspending said cross bar within said frame in pivotal relation; and a flexible plate secured to said cross bar and extending under said sling towards a rear of the chair to spread the point of contact of said cross bar over a relatively wide area of the legs of an occupant.
Claim 3
Dependent Claim
121 words
A sling chair comprising a support frame having a pair of crossed leg frames and a plurality of cross bars securing said leg frames together; a sling secured in said support frame with one end secured to a front cross bar of said cross bars and a second end secured to a rear cross bar of said cross bars; means for suspending said front cross bar within said frame in pivotal relation, said means including a pair of links, each said link being pivotally mounted on a respective one of said leg frames and secured to a respective end of said front bar; and a flexible plate secured to said front cross bar in cantilever relation and extending under said sling.
Claim 4
Dependent Claim
121 words
A sling chair comprising a support frame having a pair of crossed leg frames and a plurality of cross bars securing said leg frames together; a sling secured in said support frame with one end secured to a front cross bar of said cross bars and a second end secured to a rear cross bar of said cross bars; means for suspending said front cross bar within said frame in pivotal relation, said means including a pair of links, each said link being pivotally mounted on a respective one of said leg frames and secured to a respective end of said front bar; and a flexible plate secured to said front cross bar in cantilever relation and extending under said sling.
Claim 5
Dependent Claim
16 words
A sling chair as set forth in claim 2 wherein said front cross bar is flat.
Claim 6
Dependent Claim
16 words
A sling chair as set forth in claim 2 wherein said plate is made of plastic.
Claim 7
Dependent Claim
21 words
A sling chair as set forth in claim 2 wherein said plate is approximately five inches wide and 0.100 inches thick.
Claim 8
Dependent Claim
71 words
A sling chair as set forth in claim 2 wherein said front cross bar includes a pair of parallel spaced apart pieces defining a gap therebetween, said sling includes a loop extending through said gap and a rod disposed in said loop to fix said sling to said front cross bar, and said plate is secured to an upper surface of the rear most piece of said pieces of said cross-bar.
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) | 1984-02-24 | 1984-08-25 | 1985-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-24 | 1988-08-25 | 1989-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-24 | 1992-08-25 | 1993-02-24 | $7700.00 | Window Closed / Lapsed |