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US 5,607,204 AGranted
Adjustable vehicle seat
AssigneeSears Manufacturing Company
InventorDennis Gryp
Life of this patent
Estimating the term…
Abstract
An adjustable seat bottom support assembly which allows the seat bottom to slide fore and aft relative to the seat backrest and which allows the front portion of the seat bottom to raise and lower vertically for greater comfort and thigh and leg support for a range of sizes of seat occupants.
Claims8
An adjustable seat comprising:
- a frame having a pair of tracks;
- a backrest mounted to the frame;
- a seat having a front and rear and mounted on a seat support plate, said support plate including a pair of depending rollers movably restrained within said tracks to permit fore and aft movement of said seat relative to said backrest;
- an inflatable bag positioned below and engageable with said support plate for rotating said support plate relative to said frame and wherein said rollers act as the pivot point for said support plate to thereby adjust the vertical height of the front of said seat;
- and
- a pressurized air supply and a conduit forming a pressurized air path between said air supply and said inflatable bag and having a manually actuatable valve to allow air into said bag and to vent air from said bag to modulate the height of the front of said seat.
3 more elements
Dependencies are inferred from the claim text.