Chairs and seats – Collapsible chair; i.e. – relatively folding bottom – back,... – Laterally collapsible
Patent
1985-10-28
1986-12-23
Lyddane, William E.
Chairs and seats
Collapsible chair; i.e., relatively folding bottom, back,...
Laterally collapsible
108124, 297175, D 6353, A47C 408
Patent
active
046308610
ABSTRACT:
A foldable stool has trapezoidal sides including first and second nonfolding side walls and first and second folding end walls. Each end wall includes first and second nonfolding half-walls and a piano-type hinge connecting these half-walls to each other. A folding top wall of the stool includes first and second nonfolding top half-walls hinged together with a piano-type hinge. Piano-type hinges connect each first half-wall to the first side wall, and piano-type hinges connect each second half-wall to the second side wall. A lip portion extending horizontally outwardly from the top wall when the stool is in its upright condition is in contact with the upper edges of each of the side walls and end walls to support any weight put on the stool along the entire top edges of these side walls and end walls. A shoulder portion of the top wall is inset from the lip portion, and serves to contact the inner top edge of each of the side and end walls to hold the stool locked in its upright position when weight is applied to the stool. The four corner portions of this shoulder portion are relieved sufficiently to allow the stool to be moved between its upright condition and a folded condition.
REFERENCES:
patent: D156324 (1949-12-01), Dastugue
patent: D170311 (1953-09-01), Doherty
patent: 409677 (1889-08-01), Forman
patent: 703690 (1902-07-01), Young
patent: 900552 (1908-10-01), Kade
patent: 3120076 (1964-02-01), Zuch
patent: 3188158 (1965-06-01), Sanchez
patent: 4122638 (1978-10-01), O'Brian et al.
Lyddane William E.
Rendos Thomas A.
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