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US 5,473,129 AGranted
Environmental electric switch enclosure with viewing window
AssigneeGeneral Electric Company
InventorsRobert G. Markowski, Jon P. McCuin, Gary P. Michaelis, George J. Boucher
Life of this patent
Estimating the term…
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.
Claims3
An electric disconnect switch enclosure comprising:
- a compartment having opposing top, bottom and sides joined by a back to form a rectangular closure open at a front thereof;
- a hingeably mounted door on said front providing access to disconnect switch components within said closure;
- a viewing window on said door arranged over a gasket positioned about an aperture formed within said door for providing visual access to disconnect switch components without requiring said door to be opened;
- and
- window support structure on an inner surface of said door, said support structure comprising a first plurality of tabs integrally-formed from said door extending from said inner surface at a top of said aperture and a second plurality of tabs integrally-formed from said door extending from a bottom surface of said aperture, said window being captured between said first and second tabs and said gasket in a press-fit relation.
2 more elements
Dependencies are inferred from the claim text.