Chairs and seats – Collapsible chair; i.e. – relatively folding bottom – back,... – Relatively collapsible bottom – rear legs – and integral back...
Patent
1976-09-19
1977-03-29
Frazier, Roy D.
Chairs and seats
Collapsible chair; i.e., relatively folding bottom, back,...
Relatively collapsible bottom, rear legs, and integral back...
297441, 297457, 297 57, A47C 400
Patent
active
040145913
ABSTRACT:
A collapsible chair providing a lightweight, strong, and sturdy chair when unfolded and providing a compact elongated structure when collapsed. The collapsible chair includes a fabric seat supported in suspended relationship at four corners by a frame assembly comprised of a plurality of legs pivotably connected together. The frame assembly includes a pair of pivotal crossed rear brace legs and a pair of pivotal crossed front brace legs joined by a pair of brace leg assemblies which define the opposite sides of the frame. The pair of brace leg assemblies each include three pivotally connected brace legs, two of these brace legs of each pair of assemblies being connected by a pivotable stop link which permits relative pivotal movement of these brace legs and provides a means for restraining the three brace legs in their proper positions when the chair is in its open position. The ends of the pivotally crossed rear brace legs and the ends of the pivotally crossed front brace legs are pivotally joined to the side frame assemblies by angular brackets which permit simultaneous relative pivotal movement of the two connected brace legs about perpendicular axes, and thereby facilitating collapse of the chair in two dimensions simultaneously to form an elongated compact assembly of nearly parallel brace legs.
REFERENCES:
patent: 2587543 (1952-02-01), Smith
patent: 2691410 (1954-10-01), Boucher
patent: 2722972 (1955-11-01), Altruda
patent: 3901551 (1975-08-01), Wiesner
Aschenbrenner Peter A.
Frazier Roy D.
Gold Medal, Inc.
Nilles James E.
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