Chairs and seats – Bottom or back with means to alter contour
Patent
1989-10-05
1991-07-09
Aschenbrenner, Peter A.
Chairs and seats
Bottom or back with means to alter contour
128 33, 297DIG8, A47C 2718
Patent
active
050299395
ABSTRACT:
The invention provides a vehicle seat construction and method of utilization of the same. The inventive vehicle seat construction alternately supports the vehicle seat occupant upon different portions of the vehicle occupant's body. The above massaging effect relieves the vehicle seat occupant of possible discomfort realized after extended driving periods. Additionally, the inventive seat structure provides the alternating support feature while allowing the vehicle seat to function normally in the absence of the power to the pneumatic system which energizes the alternating suport feature.
REFERENCES:
patent: 3297023 (1967-01-01), Foley
patent: 3595223 (1971-07-01), Castagna
patent: 3613671 (1971-10-01), Poor et al.
patent: 3730588 (1973-05-01), Braun
patent: 3770315 (1973-11-01), Smittle et al.
patent: 3879776 (1975-04-01), Solen
patent: 3919730 (1975-11-01), Regan
patent: 4524762 (1985-06-01), Schulman
patent: 4555140 (1985-11-01), Nemoto
patent: 4852195 (1989-08-01), Schulman
Hoying John F.
Smith Jack E.
Aschenbrenner Peter A.
General Motors Corporation
Helms Ernest E.
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