Hip supporting apparatus of seat

Details Hip supporting apparatus of seat Hip supporting apparatus of seat

1991-09-24

1994-04-12

Brittain, James R.

Chairs and seats

Bottom or back with means to alter contour

Providing support for lower back region

2972841, A47C 300

Patent

active

053020022

ABSTRACT:
A seat having a seat cushion and a seat back, including a horizontally extending and rotatable to-and-fro adjustment shaft which is provided in the lower portion of the seat back. A hip support, which is separate from the seat back, is movable backwards and forwards on the seat cushion from the lower portion of the seat back in accordance with the rotation of the to-and-fro adjustment shaft. An adjusting device is used to rotatably adjust the to-and-fro adjustment shaft.

REFERENCES:
patent: 4913495 (1990-04-01), Nagasaka et al.
patent: 4940284 (1990-07-01), Nagasaka
patent: 4950032 (1990-08-01), Nagasaka
patent: 5013087 (1991-05-01), Nagasaka

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