Rocking chair with automatic locking mechanism

Details Rocking chair with automatic locking mechanism Rocking chair with automatic locking mechanism

2006-02-14

2006-02-14

White, Rodney B. (Department: 3636)

Chairs and seats

Rocker-mounted

With means to limit or inhibit rocking motion

C297S270200, C297S270400

Reexamination Certificate

active

06997510

ABSTRACT:
A rocking chair comprising a base, a seat assembly including a seat rockably mounted to the base and a backrest mounted to the seat so as to be movable between first and second positions includes a couple of biasing members mounted to the backrest for biasing the backrest towards the first position, and a locking mechanism mounted to both the base and the seat assembly for locking the seat relatively to the base when the backrest is in the first position. The locking mechanism is operated by applying at least a threshold force onto the backrest, which causes the backrest to move between the first and second positions relatively to the seat, unlocking the backrest relatively to the base, and allowing the seat to move relatively to the base. The locking mechanism includes a toothed rack and an arm lever that operatively cooperate in response to a small force exerted on the backrest. The rocking chair is safe for people having hand or forearm disability problem and for people with reduced mobility.

REFERENCES:
patent: 4438973 (1984-03-01), LaPointe
patent: 5203433 (1993-04-01), Dugas
patent: 6120094 (2000-09-01), Parent
patent: 6213551 (2001-04-01), Desnoyers et al.
patent: 6244658 (2001-06-01), Parent et al.
patent: 6402242 (2002-06-01), Bellefleur
patent: 6406095 (2002-06-01), Bouchard et al.
patent: 6464295 (2002-10-01), Bergeron et al.
patent: 6588841 (2003-07-01), Hoffman et al.

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