Frame particularly for stretching a piece of painting canvas

Details Frame particularly for stretching a piece of painting canvas Frame particularly for stretching a piece of painting canvas

1976-02-17

1977-09-27

Perham, Alfred C.

Flexible or portable closure, partition, or panel

Framed type

Adjustable frame size

52657, 403295, 403402, B44D 318, E04C 238

Patent

active

040504980

ABSTRACT:
A frame of rectangular shape particularly for stretching a piece of painting canvas, the frame comprising four strips connected between each other at the ends by means of joints of box-like configuration. The joints are made of sheet material and bent to define two converging channels in which the ends of corresponding strips are slidably inserted and retained. A V-shaped spring is inserted at the converging area of the channels and has two legs resiliently acting on the strip ends to cause stretching of the painting canvas held on the frame.

REFERENCES:
patent: 58154 (1866-09-01), Todd
patent: 172511 (1876-01-01), Simpson
patent: 1128362 (1915-02-01), Rawbon
patent: 2028353 (1936-01-01), Roberts
patent: 3625274 (1971-12-01), Johnson

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