Metal working – Method of mechanical manufacture – Obtaining plural product pieces from unitary workpiece
Patent
1975-05-23
1976-04-27
DiPalma, Victor A.
Metal working
Method of mechanical manufacture
Obtaining plural product pieces from unitary workpiece
29464, 29469, 144315R, 144316, 144319, 156250, 297445, B23P 1700
Patent
active
039523969
ABSTRACT:
A method for fabricating a sofa, wherein an integral seat and back is formed by joining the sides of the boards together using a form to create a surface having an upward back portion and a horizontal seat portion. The seat is supported upon a pair of spaced apart legs. A pair of arms is constructed from blocks of wood by cutting through each block to form a convex piece and a mating concave piece. The backsides of the two pieces are joined to each other in a vertically offset manner to form joint surfaces. The upper offset portion is cut off and the remaining arm is joined to the seat utilizing its joint surfaces.
REFERENCES:
patent: 181360 (1876-08-01), Osgood
patent: 646290 (1900-03-01), Kratz
patent: 1140964 (1915-05-01), Dittmar
patent: 3564700 (1971-02-01), Binek
DiPalma Victor A.
Malin Craig O.
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