One-piece shell for a chair

Details One-piece shell for a chair One-piece shell for a chair

1990-05-01

1991-12-31

Cranmer, Laurie K.

Chairs and seats

Bottom or back

Framework

297353, A47C 702

Patent

active

050766465

ABSTRACT:
A one-piece molded seating shell for use in the construction of a chair. The shell is molded from composite polymeric materials, and comprises a seating portion and a back support portion interconnected therewith by a single, central, narrow intermediate integrally formed joint. At least the joint is provided with reinforcing fibers extending therein and permits the back support portion to flex rearwardly of its normal plane and in torsion.

REFERENCES:
patent: 2808875 (1957-10-01), Bargen
patent: 3133765 (1964-05-01), Kramer
patent: 3302276 (1967-02-01), Williams et al.
patent: 3883176 (1975-05-01), Morton
patent: 3904243 (1975-09-01), Kostelec et al.
patent: 4032190 (1977-06-01), Muller-Deisig et al.
patent: 4630864 (1986-12-01), Toll

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