Snap-in locking device for electrical wiring device boxes

Details Snap-in locking device for electrical wiring device boxes Snap-in locking device for electrical wiring device boxes

1979-04-12

1980-10-07

Foss, J. Franklin

Supports

Brackets

Specially mounted or attached

174 58, 220 39, 248 271, A47B 9606

Patent

active

042263930

ABSTRACT:
An anchoring or locking device to enable snap-in installation of boxes for electrical wiring devices in which the snap-in locking device is separate from the box and may be used universally with all types of boxes. The locking device includes a mounting base plate and means to attach the base plate to the side walls or to the top and bottom walls of an electrical wiring device box, the base plate having resilient fingers or extensions projecting therefrom at an incline starting from a point rearward of the box on which the device is mounted and extending at an acute angle from such point in a direction toward the front portion of the box. The projecting fingers or extensions are compressed inwardly toward the base plate when the box on which the locking device is mounted is pushed into the hole provided for the box in the wall on which it is to be mounted. When the box is inserted the proper distance the projecting resilient fingers clear the inner edge of the wall opening and snap back to their original position thereby locking the wiring device box in place. A wall plate is provided for coupling to the locking device from the front thereby sandwiching the edge of the wall adjacent the opening between the wall plate and the locking device.

REFERENCES:
patent: 1847169 (1932-03-01), Buchanan
patent: 2299696 (1942-10-01), Gregersen
patent: 2309189 (1943-01-01), Hancock et al.
patent: 2762591 (1956-09-01), Weber
patent: 3448952 (1969-06-01), Swanquist et al.
patent: 3963204 (1976-06-01), Liss
patent: 4120416 (1978-10-01), Suk
patent: 4183486 (1980-01-01), Esoldi

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