Vacuum contactor with integral shaft

Details Vacuum contactor with integral shaft Vacuum contactor with integral shaft

H - Electricity

01

H

306/103, 306/215

H01H 3/32 (2006.01) H01H 33/66 (2006.01) H01H 33/666 (2006.01) H01H 50/64 (2006.01) H01H 33/02 (2006.01)

Patent

CA 1245258

11 A B S T R A C T ELECTRICAL CONTACTOR WITH IMPROVED CROSSBAR STRUCTURE The invention relates to an electric contactor and, particularly, to a movable structure (cross-bar assembly) especially suitable for use in vacuum type contactors. The movable structure comprises a unitary member (38) formed, preferably molded, from insulating material and including a pair of generally cruciform trunnion portions (90) on opposite ends thereof, each trunnion portion being disposed and firmly engaged in an annular bearing member, e.g. the inner race of a ball or roller bearing (48). The spaces (104) between the cross-arms of each cruciform trunnion portion (90) preferably are filled with a resin, e.g. epoxy.

468686

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