Electricity: conductors and insulators – Covers or face plates – With closure for face plate opening
Patent
1991-02-20
1993-06-08
Picard, Leo P.
Electricity: conductors and insulators
Covers or face plates
With closure for face plate opening
H01R 13447
Patent
active
052181693
ABSTRACT:
A safety cover for an electric receptacle has a mounting plate fitting over an electrical receptacle, and a cover assembly with a cover edge extending around the periphery thereof, the mounting plate having an edge engagable surface thereon corresponding in shape to the cover edge. The cover assembly is mountable on the mounting plate between a closed and an open position. The cover assembly has a plurality of locking projections spaced around the periphery of the cover assembly at positions so that they are incapable of simultaneous operation by a hand below a predetermined size. When the cover assembly is closed, locking hooks on the locking projections engage in locking hook receiving apertures in the mounting plate structure and the cover edge is snugly abutted against the edge engagable surface. The cover assembly can be moved to the open position only by simultaneous deformation of the cover assembly at the positions of the locking hooks sufficient to move the locking hooks sufficiently far inwardly of the cover assembly to free the locking hooks from the locking hook receiving apertures.
REFERENCES:
patent: 2526606 (1950-10-01), Gregg
patent: 4424407 (1984-01-01), Barbic
patent: 4603932 (1986-08-01), Heverly
patent: 4652696 (1987-03-01), Winnick
patent: 4688747 (1987-08-01), Helmsdorfer et al.
patent: 4851612 (1989-07-01), Peckham
patent: 4899019 (1990-02-01), Riceman
patent: 5045640 (1991-09-01), Riceman
Picard Leo P.
Randolph-Rand Corporation
Tone David A.
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