Patent US3975050A successfully refreshed from Google Patents.
US3975050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tilting swivel chair support
Assignee: Individual
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Filing: 1975-05-14
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Granted: 1976-08-17
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Expires: 1995-05-14
Abstract
Abstract A unit of hardware for reclinably adjustable seating of vehicle driver and/or passenger and adapted to be swiveled into selected position, and comprising a pedestal rotatably receiving a socket positionably locked thereto, and a stop plate positionably locked in reclined positions by a toggle pin carried into tight engagement therewith by a manually releasable lever operated shackle, the tilt being positively restricted.
Inventors
- 👤 Dale P. McKee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 22:42
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/022; A47C1/024; A47C1/026; A47C3/00; A47C3/18; B; B60; B60N; B60N2/00; B60N2/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
154 words
A reclinably adjustable seat support including, a mounting for supporting engagement with the underside of a seat and having laterally spaced longitudinal flanges depending therefrom carrying spaced fore and aft pivot pins extending therebetween, a pedestal supported member carrying the aft pivot pin and having a vertically disposed stop plate with an upper edge engageable with the underside of the mounting to limit the normal position of the mounting to the pedestal supported pivot, the stop plate projecting forwardly from said member and having a series of angularly displaced notches faced forwardly at a radius substantially the same as the distance between said pivot pins, and a recline latch comprised of a shackle rotatable on the fore pivot pin and having spring means biasing a toggle pin carried at its moveable end into releasable engagement with any one of said series of notches to lock the mounting in position to the pedestal supported member.
Claim 2
Dependent Claim
154 words
A reclinably adjustable seat support including, a mounting for supporting engagement with the underside of a seat and having laterally spaced longitudinal flanges depending therefrom carrying spaced fore and aft pivot pins extending therebetween, a pedestal supported member carrying the aft pivot pin and having a vertically disposed stop plate with an upper edge engageable with the underside of the mounting to limit the normal position of the mounting to the pedestal supported pivot, the stop plate projecting forwardly from said member and having a series of angularly displaced notches faced forwardly at a radius substantially the same as the distance between said pivot pins, and a recline latch comprised of a shackle rotatable on the fore pivot pin and having spring means biasing a toggle pin carried at its moveable end into releasable engagement with any one of said series of notches to lock the mounting in position to the pedestal supported member.
Claim 3
Dependent Claim
187 words
A removeable and reclinably adjustable seat support including, a mounting for supporting engagement with the underside of a seat and having laterally spaced longitudinal flanges depending therefrom carrying spaced fore and aft pivot pins extending therebetween, a pedestal with a deck support and a top portion of right cylinder form, a pivot member with a socket removeably complementary to and rotatable on said top portion of the pedestal and carrying the aft pivot pin and having a vertically disposed stop plate with an upper edge engageable with the underside of the mounting to limit the normal position of the mounting to the pedestal supported pivot, the stop plate projecting forwardly from said pivot member and having a series of angularly displaced notches faced forwardly at a radius substantially the same as the distance between said pivot pins, and a pivot latch comprised of a shackle rotatable on the fore pivot pin and having spring means biasing a toggle pin carried at its moveable end into releasable engagement with any one of said series of notches to lock the mounting in position to the pedestal supported pivot member.
Claim 4
Dependent Claim
187 words
A removeable and reclinably adjustable seat support including, a mounting for supporting engagement with the underside of a seat and having laterally spaced longitudinal flanges depending therefrom carrying spaced fore and aft pivot pins extending therebetween, a pedestal with a deck support and a top portion of right cylinder form, a pivot member with a socket removeably complementary to and rotatable on said top portion of the pedestal and carrying the aft pivot pin and having a vertically disposed stop plate with an upper edge engageable with the underside of the mounting to limit the normal position of the mounting to the pedestal supported pivot, the stop plate projecting forwardly from said pivot member and having a series of angularly displaced notches faced forwardly at a radius substantially the same as the distance between said pivot pins, and a pivot latch comprised of a shackle rotatable on the fore pivot pin and having spring means biasing a toggle pin carried at its moveable end into releasable engagement with any one of said series of notches to lock the mounting in position to the pedestal supported pivot member.
Claim 5
Dependent Claim
69 words
The removeable and reclinably adjustable seat support as set forth in claim 2, wherein the stop plate has a lower edge normal to the axis of the right cylinder socket interengagement of the pivot member and pedestal, and a swivel latch comprised of a slide along said lower edge and a bolt carried thereby into and out of engagement through aligned openings in the pivot member and pedestal respectively.
Claim 6
Dependent Claim
75 words
The removeable and reclinably adjustable seat support as set forth in claim 2, wherein the stop plate has a lower edge normal to the axis of the right cylinder socket interengagement of the pivot member and pedestal, and a swivel latch comprised of a slide along said lower edge and a spring biased bolt carried thereby and urged by said spring into engagement through and with aligned openings in the pivot member and pedestal respectively.
Claim 7
Dependent Claim
77 words
The removeable and reclinably adjustable seat support as set forth in claim 2, wherein the stop plate has a lower edge normal to the axis of the right cylinder socket interengagement of the pivot member and pedestal, and a swivel latch comprised of a slide along said lower edge and a bolt with a forward extension for manual operation and carried thereby into and out of engagement through aligned openings in the pivot member and pedestal respectively.
Claim 8
Dependent Claim
80 words
The removeable and reclinably adjustable seat support as set forth in claim 2, wherein the stop plate has a lower edge normal to the axis of the right cylinder socket interengagement of the pivot member and pedestal, and a swivel latch comprised of a slide along said lower edge and a spring biased bolt with a forward extension for manual operation and carried thereby and urged into engagement through and with aligned openings in the pivot member and pedestal respectively.
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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) | 1979-08-17 | 1980-02-16 | 1980-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-17 | 1984-02-16 | 1984-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-17 | 1988-02-16 | 1988-08-17 | $7700.00 | Window Closed / Lapsed |