Chairs and seats – Bottom or back with means to alter contour
Patent
1986-02-28
1987-11-17
Zugel, Francis K.
Chairs and seats
Bottom or back with means to alter contour
297460, 297DIG3, A47C 300
Patent
active
047070277
ABSTRACT:
A pneumatically cushioned vehicle seat and apparatus and method to adjust the same is provided by the present invention. A novel switching and pumping arrangement for the pneumatic seat and/or seating combination allows the pump to inflate the pneumatic cushion and also deflate the pneumatic cushion. Use of the pump for deflation of the pneumatic cushion eliminates the need of the chair occupant pushing against the same cushion when adjusting the seat to a less firm position.
REFERENCES:
patent: 4321044 (1982-03-01), Kron
patent: 4570676 (1986-02-01), Nishio et al.
patent: 4589695 (1986-05-01), Isono
patent: 4592588 (1986-06-01), Isono et al.
Horvath Zoltan L.
Kavanagh Gary A.
Manning Steven F.
Pyszel Ronald J.
Rogers Lloyd W.
General Motors Corporation
Helms Ernest E.
Zugel Francis K.
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