Patent US3980335A successfully refreshed from Google Patents.
US3980335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reclining chair
Assignee: BUNTING CO Inc
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Filing: 1975-08-29
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Granted: 1976-09-14
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Expires: 1995-08-29
Abstract
Abstract A reclining chair has a frame and a seat fixedly and immovably secured to the frame. A back is pivotally mounted to the rear of the frame and extends downwardly beneath the seat. A leg rest is pivotally mounted to the front of the frame and includes an inwardly curved portion at the top thereof which extends beneath the seat. The lower part of the back is connected to the curved portion of the leg rest through a link member such that movement of either the back or the leg rest imparts movement to the other. The connections between the link member, the back, the leg rest and the frame are such as to provide an over-center safety lock which prevents the chair from being accidentially moved from its upright position into its reclining position. Built-in stop mechanisms in the link connection limit the full upright and full reclining positions of the chair.
Inventors
- 👤 Matthew D. Marhefka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:07
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/031; A47C1/034; A47C1/035
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
195 words
A chair movable between an upright position and a reclining position comprising: a frame including a generally horizontal seat and legs depending downwardly from said seat; a back pivotally mounted at a first pivot point to said frame adjacent the rear of said seat, said back including a lower section extending downwardly beneath said seat; a leg rest pivotally mounted at a second pivot point to said frame adjacent the front of said seat, said leg rest including a reverse bend portion adjacent the top thereof extending inwardly and downwardly beneath said seat; a link member beneath said seat, said link member having a first end pivotally connected at a third pivot point to said lower section of said back and a second end pivotally connected at a fourth pivot point to said reverse bend portion of said leg rest, said pivot points being such that when said chair is in its full upright position said fourth pivot point lies above the level of an imaginary straight line extending between said second and third pivot points whereby attempted movement of said back toward the reclining position forces said leg rest away from the reclining position.
Claim 2
Dependent Claim
195 words
A chair movable between an upright position and a reclining position comprising: a frame including a generally horizontal seat and legs depending downwardly from said seat; a back pivotally mounted at a first pivot point to said frame adjacent the rear of said seat, said back including a lower section extending downwardly beneath said seat; a leg rest pivotally mounted at a second pivot point to said frame adjacent the front of said seat, said leg rest including a reverse bend portion adjacent the top thereof extending inwardly and downwardly beneath said seat; a link member beneath said seat, said link member having a first end pivotally connected at a third pivot point to said lower section of said back and a second end pivotally connected at a fourth pivot point to said reverse bend portion of said leg rest, said pivot points being such that when said chair is in its full upright position said fourth pivot point lies above the level of an imaginary straight line extending between said second and third pivot points whereby attempted movement of said back toward the reclining position forces said leg rest away from the reclining position.
Claim 3
Dependent Claim
48 words
A chair as claimed in claim 1 including a first stop means associated with said first end of said link member for preventing said back and said leg rest from moving past said reclining position, said first stop means defining the extent of reclining movement of said chair.
Claim 4
Dependent Claim
45 words
A chair as claimed in claim 2 including a second stop means for preventing said leg rest from moving past its full upright position in a direction away from said reclining position, said second stop means defining the full upright position of said leg rest.
Claim 5
Dependent Claim
62 words
A chair as claimed in claim 3 wherein said lower back section includes a substantially horizontal rear cross bar extending between the two sides of said lower back section; said leg rest includes a substantially horizontal front cross bar extending between the two sides of said reverse bend portion and said link member is connected between said rear and front cross bars.
Claim 6
Dependent Claim
50 words
A chair as claimed in claim 4 wherein each of said front and rear cross bars includes a tab means rigidly secured thereto, each of said tab means extending generally upwardly when said chair is in its upright position, said link member being connected to each of said tab means.
Claim 7
Dependent Claim
34 words
A chair as claimed in claim 5 wherein said first stop means is comprised of said link member and said rear cross bar abutting each other when said chair is in its reclining position.
Claim 8
Dependent Claim
34 words
A chair as claimed in claim 6 wherein said second stop means is comprised of said link member and said front cross bar abutting each other when said chair is in its upright position.
Claim 9
Dependent Claim
60 words
A chair as claimed in claim 1 wherein said reverse bend portion of said leg rest includes a curved portion which extends forwardly of said chair and downwardly when said chair is in its upright position whereby when said chair is moved into its reclining position, said curved portion is elevated to a height above the height of said seat.
Claim 10
Dependent Claim
16 words
A chair as claimed in claim 1 wherein said frame includes a pair of immovable arms.
Claim 11
Dependent Claim
51 words
A chair as claimed in claim 1 wherein said legs are comprised of a pair of U-shaped members, each U-shaped member including a pair of upright members releasably secured to the remaining parts of said frame and a substantially horizontal member joining the lowermost parts of said pair of upright members.
Claim 12
Dependent Claim
30 words
A chair as claimed in claim 1 further including a headrest and means mounting said headrest to said back so that the vertical position of said headrest can be adjusted.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-14 | 1980-03-15 | 1980-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-14 | 1984-03-15 | 1984-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-14 | 1988-03-15 | 1988-09-14 | $7700.00 | Window Closed / Lapsed |