Receptacles – Outlet or junction box type
Patent
1977-07-25
1981-08-04
Moy, Joseph Man-Fu
Receptacles
Outlet or junction box type
220 394, 174 53, 411176, 411352, 411354, 411366, 411522, H02G 308
Patent
active
042817730
ABSTRACT:
An electrical wiring box having a pair of mounting elements associated therewith for permitting the quick and easy mounting of an electrical device within the wiring box. Each mounting element has a central portion with a screw receiving opening. Side portions extend from the central portion and deflective V-shaped flanges including thread-engaging portions are integral with the side portions. The thread-engaging portions terminate at opposed thread-engaging surfaces which are parallel and lie at an acute angle to a reference line which is perpendicular to the major axis of the flanges. The mounting elements fit in openings in the box and are held in place by abutments on the central portions and by the V-shaped flanges. In installing an electrical device in the box, screws are pushed through the central openings and into the regions between the thread-engaging surfaces. The screws may be further tightened by turning a fraction of a turn.
REFERENCES:
patent: Re22543 (1944-09-01), Tinnerman
patent: 1599139 (1926-09-01), Marshall
patent: 1813678 (1931-07-01), Randall
patent: 2336153 (1943-12-01), Ryder
patent: 3212391 (1965-10-01), Duffy
patent: 3895732 (1975-07-01), Robinson et al.
patent: 3910156 (1975-10-01), Soltysik
patent: 3955463 (1976-05-01), Hoehn
GTE Products Corporation
Keay David M.
Man-Fu Moy Joseph
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