Seat having vertically movable lumber support

Details Seat having vertically movable lumber support Seat having vertically movable lumber support

1989-07-25

1990-08-21

Brown, Peter R.

Chairs and seats

Bottom or back with means to alter contour

297374, A47C 740

Patent

active

049500325

ABSTRACT:
Disclosed is a seat for an automobile or the like. The seat includes a seat cushion; a seat back connected to the seat cushion, a space being formed within a lower portion thereof; a rod which is rotatably provided between oppositely disposed side frames of the seat back; a hip support secured to an intermediate portion of the rod and disposed within the space provided within the seat back; an operation handle provided upon either one of the side frames and adapted to rotate the rod by means of a brake mechanism; a pinion to which the rotation of the operation handle is transmitted by means of the a brake mechanism; a support board disposed upon a support plate provided inside the hip support, the support board being vertically movable; and a retaining mechanism for retaining the support board at a specified height.

REFERENCES:
patent: 3880463 (1975-04-01), Shepard et al.
patent: 4623193 (1986-11-01), Lieker

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