Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region
Patent
1993-06-25
1996-06-25
Crammer, Laurie K.
Chairs and seats
Bottom or back with means to alter contour
Providing support for lower back region
297DIG3, A47C 454
Patent
active
055293778
ABSTRACT:
A unit handled air cell assembly or module is mounted on a backplate or other suitable support of an automotive seat back. The module comprises an air cell, an electric motor driven air pump, a solenoid valve and a reversible electric pigtail for connecting the electric motor and the solenoid valve to a control circuit. The electric motor driven air pump is disposed inside the air cell and operatively connected to an air tube that extends out of the air cell. The solenoid valve is connected to the exterior end of the air tube to control the flow of air to and from the air cell. The electric motor driven air pump is shaped so as to fit in a cut-out of the back plate or support and avoid discomfort to the seat occupant. In a second embodiment, the electric motor driven air pump is disposed in a plastic sleeve that is attached to the air cell and the solenoid valve is attached to the outlet end of the air pump.
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Crammer Laurie K.
McCord Winn Texton
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