Chairs and seats – Bottom or back – Framework
Patent
1974-12-04
1976-02-24
Mitchell, James C.
Chairs and seats
Bottom or back
Framework
5347, A47C 702
Patent
active
039401839
ABSTRACT:
A car seat is described which includes a panel in the form of a substantially rectangular sheet of plastic material having seat and back portions connected to each other by an integral hinge. The seat and back portions each have a major central area formed with an array of T-shaped elements arranged in columns and rows and each having a T-shaped supporting surface. The T-shaped elements of adjacent rows are staggered and intermeshed to form a lattice of elongate substantially uniform width channels each extending about the periphery of an associated T-shaped section and oriented parallel to one of the directions of the rows and columns. The continuity between the channels aligned along the directions of said rows and channels is repeatedly interrupted by the T-shaped sections. A continuous stiffening bead is provided about each central area to define a peripheral channel open in the direction of the supporting surfaces. An optional stiffening wire may be disposed within the peripheral channel before the panel is covered with a mesh material which is connected to the latter after a peripheral strip of binding material is folded over to cover the edges of the panel and the mesh material. When the mesh material abuts against the T-shaped surfaces of the elements, the mesh material covers the opening of the elongate channel and prevents the stiffening wire from moving out therefrom.
REFERENCES:
patent: 1982516 (1934-11-01), Holmested
patent: 3167353 (1965-01-01), Crane
patent: 3391413 (1968-07-01), Crane et al.
Dennison Saul
Seltzer Samuel M.
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