Receptacles – Closures – Face plate type
Patent
1975-10-14
1977-07-19
Marcus, Stephen
Receptacles
Closures
Face plate type
174 67, 220335, H02G 318
Patent
active
040363961
ABSTRACT:
A weatherproof junction box cover assembly, comprising a structural member for mounting relationship with a junction box and a cover hingedly mounted on the structural member with cooperative inter-acting hood means at the top and sides of the cover assembly. A shiftable bias means is provided to normally bias the cover toward a closing position, the bias means being shiftable between an over-center station in relation to the pivot means whereby the cover will stay open when moved to the fully open position and a direct-closing-bias station whereby the cover will be constantly biased toward the closing position. The same cover assembly may therefore be used as a stay-open device or as a self-closing device, merely by shifting the anchor point of the bias means.
REFERENCES:
patent: 1591510 (1926-07-01), Bushnell
patent: 1990189 (1935-02-01), King
patent: 2316302 (1943-04-01), Van Dyk et al.
patent: 3140344 (1964-07-01), Slater et al.
patent: 3200989 (1965-08-01), Hubbell
patent: 3229846 (1966-01-01), Katz
patent: 3686425 (1972-08-01), Zerwes et al.
Kennedy Richard T.
Kettelson Ernest S.
Quitschau Algird R.
Kettelson Ernest S.
Marcus Stephen
Rathbun Harold J.
Square D Company
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