Adjustment device for adjustable chairs

Chairs and seats – Back movement resiliently opposed in operating position – Adjustable resistance

Reexamination Certificate

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Details

C297S374000

Reexamination Certificate

active

07815257

ABSTRACT:
Adjustment device for chairs, comprising a back support capable of rotating around a shaft fastened to a support base, said support for the backrest being provided with a blocking plate having a plurality of openings, an insert capable of limited movement in a defined track in the support base to engage and disengage said openings, and an actuator connected to said insert, in which the actuator is operated by a rod connected to a handle that can be operated by the user, said actuator being movable between a release position and a lock position, in which said insert is selectively engaged in one of said openings.

REFERENCES:
patent: 2778409 (1957-01-01), Soderberg
patent: 3711054 (1973-01-01), Bauer
patent: 4348898 (1982-09-01), Stan
patent: 4408800 (1983-10-01), Knapp
patent: 4438898 (1984-03-01), Knoblauch
patent: 4652050 (1987-03-01), Stevens
patent: 4889384 (1989-12-01), Sulzer
patent: 5029940 (1991-07-01), Golynsky
patent: 5871258 (1999-02-01), Battey
patent: 5997087 (1999-12-01), Stumpf
patent: 6000756 (1999-12-01), Hybarger
patent: 6010189 (2000-01-01), Hybarger
patent: 6027169 (2000-02-01), Roslund, Jr.
patent: 6378943 (2002-04-01), Beggs
patent: 6588845 (2003-07-01), Wilkerson
patent: 6685267 (2004-02-01), Johnson et al.
patent: 6712428 (2004-03-01), Moreschi
patent: 6779847 (2004-08-01), Klein
patent: 6871909 (2005-03-01), Hobb
patent: 6921134 (2005-07-01), Hong
patent: 6945603 (2005-09-01), Elzenbeck
patent: 6957862 (2005-10-01), Chen
patent: 6957864 (2005-10-01), Chen
patent: 7014262 (2006-03-01), Rossetto et al.
patent: 7040711 (2006-05-01), DeKraker
patent: 7147285 (2006-12-01), Lin
patent: 2001/0013569 (2001-08-01), Donati
patent: 2004/0140703 (2004-07-01), Bock
patent: 2004/0212235 (2004-10-01), Elzenbeck
patent: 2004/0245827 (2004-12-01), Bedford et al.
patent: 2006/0071522 (2006-04-01), Bedford et al.
patent: 2006/0163925 (2006-07-01), Bock
patent: 2006/0255636 (2006-11-01), Donati
patent: 2006/0290185 (2006-12-01), Moreschi
patent: 2007/0040432 (2007-02-01), Donati
patent: 2007/0040433 (2007-02-01), Huang
patent: 0105955 (1986-02-01), None
patent: 0568233 (1996-06-01), None

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