Chairs and seats – Collapsible chair; i.e. – relatively folding bottom – back,... – Collapsed to a compact bundle having all rigid elongated...
Patent
1989-09-20
1992-04-14
Chen, Jose V.
Chairs and seats
Collapsible chair; i.e., relatively folding bottom, back,...
Collapsed to a compact bundle having all rigid elongated...
280642, A47C 400
Patent
active
051041804
ABSTRACT:
A folding and locking mechanism for a folding baby chair, the mechanism locks the chair in an assembled and folded condition and is unlocked from either condition by the same simple manual operation. A bracket pivotally connected between a rear leg and a support arm locks in two respective positions on a retainer pin which rides on the bracket periphery and is received by a pair of retainer recesses, one for the assembled condition and one for the folded condition. The retainer pin is held by a locking lever that pivots and moves up and down in a holder frame within the support arm. Movement of the lever upward by a simple manual action urges the retainer pin away from the bracket, allowing the bracket to rotate to thereby fold or assemble the chair. A descending operating plate holds the upwardly urged locking lever in the up position until the bracket begins to rotate.
REFERENCES:
patent: 4412688 (1983-11-01), Giordani
patent: 4632421 (1986-12-01), Shamie
patent: 4697823 (1987-05-01), Kassai
patent: 4706986 (1987-11-01), Kassai
patent: 4723815 (1988-02-01), Kassai
patent: 4741551 (1988-05-01), Perego
patent: 4828278 (1989-05-01), Nakao et al.
patent: 4832361 (1989-05-01), Nakao et al.
Kaneko Tomihisa
Takahashi Takehiko
Chen José V.
Combi Co. Ltd.
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