Chairs and seats – Collapsible chair; i.e. – relatively folding bottom – back,... – With folding armrest
Patent
1996-12-04
1998-01-13
Nelson, Jr., Milton
Chairs and seats
Collapsible chair; i.e., relatively folding bottom, back,...
With folding armrest
297 161, A47C 400
Patent
active
057071055
ABSTRACT:
A safety lock is pivotally secured to a back frame and a stand frame of a folding chair by a pivot pin to secure said folding chair in an extended position, the safety lock including a metal hook having a retaining notch adapted for hooking on a headed locating pin, and a rubber cap enclosing the hook and having a retaining notch adapted for hooking on the headed locating pin and an inside recess adapted for receiving the head of the headed locating pin.
REFERENCES:
patent: 3319997 (1967-05-01), Clement
patent: 4580833 (1986-04-01), Waples
patent: 4693510 (1987-09-01), Marchesini
patent: 4963762 (1990-10-01), Brooks
patent: 5054848 (1991-10-01), Liu
patent: 5529270 (1996-06-01), Liu
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