Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1993-10-25
1995-12-05
Recla, Henry J.
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
200 4322, 200333, 52208, H01H 164
Patent
active
054731291
ABSTRACT:
An electric disconnect switch enclosure for outdoor applications includes a viewing window to visually ascertain the ON-OFF conditions of the switch contacts without having to motivate the switch handle or open the enclosure door. The viewing window can be formed in the enclosure door in an automated manufacturing process.
REFERENCES:
patent: 3227831 (1966-01-01), Jacks et al.
patent: 4107488 (1978-08-01), Keller et al.
patent: 4110584 (1978-08-01), Erickson et al.
patent: 4778959 (1988-10-01), Sabatella et al.
patent: 5243161 (1993-08-01), Cox et al.
patent: 5276299 (1994-01-01), Marsh
Boucher George J.
Markowski Robert G.
McCuin Jon P.
Michaelis Gary P.
General Electric Company
Menelly Richard A.
Recla Henry J.
Walczak David J.
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