Chair back height adjustment mechanism

Details Chair back height adjustment mechanism Chair back height adjustment mechanism

1989-10-11

1991-04-16

Aschenbrenner, Peter A.

Chairs and seats

Movable back

297401, A47C 100

Patent

active

050076787

ABSTRACT:
A chair back height adjustment mechanism includes an inner, generally rectangular bracket defining a pair of laterally spaced sockets adapted to receive a pair of chair back supports. An inner shell defines a plurality of guides which receive glides or tabs formed on the bracket. The bracket defines a rack portion facing the inner shell. A release handle is pivotally mounted on the inner shell. The handle defines teeth engageable with the rack portion of the bracket.

REFERENCES:
patent: 3592508 (1971-07-01), Druseikis
patent: 4012158 (1977-03-01), Harper
patent: 4139235 (1979-02-01), Elbert
patent: 4451084 (1984-05-01), Seeley
patent: 4616877 (1986-10-01), Slaats et al.
patent: 4660885 (1987-04-01), Suhr et al.
patent: 4662681 (1987-05-01), Favaretto
patent: 4662682 (1987-05-01), Maurel

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