Electricity: conductors and insulators – Boxes and housings – With electrical device
Patent
1990-01-30
1991-10-15
Picard, Leo P.
Electricity: conductors and insulators
Boxes and housings
With electrical device
411437, 411523, H01R 13502
Patent
active
050576496
ABSTRACT:
An electrical wiring box for mounting an electrical device therein by means of push inserted screws is provided. The box is defined in part by a pair of parallel spaced sidewalls and a pair of parallel spaced end walls. A mounting bracket is formed on each end wall for the snap mounting of a resilient screw receiving spring clip. Each spring clip is formed of a strip of resilient metal bent to define a base portion, upwardly disposed side portions and inwardly disposed top portions, such that the ends of the strip are positioned adjacent one another. The ends of the top portions are bent downwardly and inwardly of the clip to define a spring receiving space therebetween. The base portion has a spring receiving opening defined by a pair of downwardly bent tabs which is aligned with the space defined by the ends of the strip. In operation the spring clips are snapped into engagement with the respective brackets and the electrical device positioned within the wiring box for mounting. Mounting screws are inserted through mounting holes in the electrical device and then pushed through the space between the top portions of the clip and the opening of the bottom portion of the clip whereupon the ends of the clip and the tabs engage the screw so as to prevent its withdrawal.
REFERENCES:
patent: 3876821 (1975-04-01), Pringle
patent: 4167648 (1979-09-01), Lockwood
patent: 4424405 (1984-01-01), Nattel
patent: 4642420 (1987-02-01), Nattel
patent: 4843189 (1989-06-01), Jorgensen et al.
patent: 4936396 (1990-06-01), Lockwood
Picard Leo P.
Ryan William J.
Tone David A.
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