Patent US5232264A successfully refreshed from Google Patents.
US5232264A
Expired / Lapsed
US
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Vehicle seat
Assignee: Aisin Corp
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Filing: 1991-11-25
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Granted: 1993-08-03
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Expires: 2011-11-25
Abstract
Abstract A vehicle seat having seat cushion portion and seat back portion comprises a main frame including main back frame for the seat back portion and a main cushion frame for the seat cushion portion connected to the main back frame, a sub frame including sub back frame for the seat back portion and sub cushion frame for the seat cushion portion pivotally connected to the sub back frame, the sub frame having a seat cover on which an occupant of the seat sits. The vehicle seat further includes a raising and lowering device provided at the main frame and operatively connected to the sub frame to raise or lower the sub frame with respect to the main frame secured to vehicle body so that the position of main frame may be unchanged even when the position of the sub frame is adjusted for the proper position of the occupant of the seat.
Inventors
- 👤 Naoaki Hoshihara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:19
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/42; B60N2/4249
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
130 words
A vehicle seat having a seat cushion portion and a seat back portion comprising: a main frame secured to a vehicle body, said main frame including a main back frame for the seat back portion and a main cushion frame connected to the main back frame for the seat cushion portion; a sub frame including a sub back frame for the seat back portion and a sub cushion frame for the seat cushion portion, said sub cushion frame being pivotally connected to the sub back frame, the sub frame having a seat cover on which an occupant of the seat sits; a raising and lowering device provided at the main frame and operatively connected to the sub frame to raise and lower the sub frame relative to the main frame.
Claim 2
Dependent Claim
130 words
A vehicle seat having a seat cushion portion and a seat back portion comprising: a main frame secured to a vehicle body, said main frame including a main back frame for the seat back portion and a main cushion frame connected to the main back frame for the seat cushion portion; a sub frame including a sub back frame for the seat back portion and a sub cushion frame for the seat cushion portion, said sub cushion frame being pivotally connected to the sub back frame, the sub frame having a seat cover on which an occupant of the seat sits; a raising and lowering device provided at the main frame and operatively connected to the sub frame to raise and lower the sub frame relative to the main frame.
Claim 3
Dependent Claim
50 words
A vehicle seat according to claim 1, wherein the raising and lowering device includes drive means and connecting means movable between upper and lower positions by the driving force from the drive means and operatively connected to the sub frame to move the sub frame in upward and downward directions.
Claim 4
Dependent Claim
54 words
A vehicle seat according to claim 2, wherein the raising and lowering device is secured to the main back frame and wherein the connecting means includes at least one screw, and nut secured to the screw to move between the upper and lower positions in accordance with the driving force of the drive means.
Claim 5
Dependent Claim
67 words
A vehicle seat according to claim 3, wherein the raising and lowering device further includes a link means, provided at the main cushion frame and operatively connected to a front portion of the sub cushion frame of the sub frame, for raising and lowering the front portion of the sub cushion frame, said raising and lowering pivoting the sub cushion frame relative to the sub back frame.
Claim 6
Dependent Claim
21 words
A vehicle seat according to claim 4, wherein the drive means is a motor and reduction gears for rotating the screw.
Claim 7
Dependent Claim
40 words
A vehicle seat according to claim 5, wherein the main frame is secured to the vehicle floor and further includes a seat slide means for sliding the main cushion frame in front and rear directions with respect to the vehicle.
Claim 8
Dependent Claim
18 words
A vehicle seat according to claim 6, further comprising a head rest secured to the main back frame.
Claim 9
Dependent Claim
18 words
A vehicle seat according to claim 7, further comprising a seat belt assembly secured to the main frame.
Claim 10
Dependent Claim
41 words
A vehicle seat according to claim 7, further comprising an adjuster frame mounted to the main cushion frame; and a seat reclining device attached to the adjuster frame for reclining the main back frame with respect to the main cushion frame.
Claim 11
Dependent Claim
47 words
A vehicle seat according to claim 2, wherein the drive means is a motor and the connecting means includes wire means driven by the motor for moving in upward and downward directions, the wire means being operatively connected to the sub back frame of the sub frame.
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) | 1996-08-02 | 1997-02-01 | 1997-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-08-02 | 2001-02-01 | 2001-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-08-02 | 2005-02-01 | 2005-08-03 | $7700.00 | Window Closed / Lapsed |