H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/108
H01H 9/08 (2006.01) H01H 9/18 (2006.01) H01H 11/00 (2006.01) H01H 50/54 (2006.01)
Patent
CA 1138500
D-22118 ABSTRACT OF THE DISCLOSURE Electromagnetically operated contactor or relay employing contact modules which are removably mounted in either of two positions respectively providing normally open and normally closed contact conditions. one set of contact modules is mounted in a main frame and a second set is mounted in an upper frame which overlies the main frame and obscures the first set of contact modules. Transparent viewing members extend through apertures in the upper frame. Each trans- parent viewing member has a viewing surface exposed externally of the upper frame and an image trans- mitting surface adjacent to a contact module of the underlying first set. Each contact module has two light reflecting surface areas which are distin- guishable from each other, one or the other being adjacent to the image transmitting surface of the associated transparent viewing member depending upon the position of the contact module. Thus, the images of the light reflecting surface areas appearing at the viewing surfaces of the transparent viewing mem- bers provide visual indications of the positions and consequently the normal contact conditions of the underlying contact modules.
358651
Gte Products Corporation
R. William Wray & Associates
LandOfFree
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