Geometrical instruments
Patent
1983-07-29
1985-07-09
Weidenfeld, Gil
Geometrical instruments
339 91R, 339125R, 339198P, H01R 1362
Patent
active
045278490
ABSTRACT:
Two variations of a simplified structure for retaining a device to a mounting surface are appropriate for use with a disconnect block, or for removably retaining any device to a mounting surface. As a disconnect block, cooperating connector portions in mating surfaces of fixed and removable body portions prevent motion transverse to the mating surfaces. The removable portion is provided with a flexible portion containing projections which mate with apertures in the mounting surface. The flexible portion is pried away from the mounting surface to raise the projections from the holes in the mounting surface and release the removable portion. In a second embodiment, a mounting surface is provided with two facing inverted L-shaped projections, a stop projection, and at least one hole. The device base member includes cooperating projections, and a flexible portion with a projection adapted to engage the hole in the mounting surface.
REFERENCES:
patent: 2762026 (1956-09-01), Knohl
patent: 3020513 (1962-02-01), Quackenbush
patent: 3535675 (1970-10-01), Baumanis
patent: 3686619 (1972-08-01), McCardell, Jr. et al.
patent: 3821691 (1974-06-01), Reimer
patent: 3842388 (1974-10-01), Harwood et al.
patent: 4222624 (1980-09-01), Eme et al.
patent: 4449767 (1984-05-01), Weidler
Allied Corporation
Criss Roger H.
Paumen Gary F.
Weidenfeld Gil
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