Pillow and backrest of chair

Details Pillow and backrest of chair Pillow and backrest of chair

1998-04-06

1999-02-23

Brown, Peter R.

Chairs and seats

Headrest

Resiliently mounted

297408, A47C 738

Patent

active

058736328

ABSTRACT:
A chair is composed of a seat, a backrest, a headrest, and a swiveling device located between the backrest and the headrest so as to cause the backrest and the headrest to swivel relative to each other in response to the sitting posture of a person who is seated on the seat of the chair. The swiveling device has a tubular member, two volute elastic plate members, a connection rod, and a plurality of elastic members.

REFERENCES:
patent: 2833339 (1958-05-01), Liljengren
patent: 4564235 (1986-01-01), Hatsutta et al.
patent: 4810033 (1989-03-01), Kemmann
patent: 4844544 (1989-07-01), Ochiai

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