Switch contact element retaining means and method of assembly

Electricity: circuit makers and breakers – Electric switch details – Contact

Patent

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Details

29844, 339263R, 339272A, H01H 158

Patent

active

045958114

ABSTRACT:
An electrical contactor device has a molded insulating body base member with at least one boss having a bore extending from a contact element support surface. A stationary contact element having a generally planar plate portion and a projection extending from said plate portion adjacent, in a bent condition, to a terminal screw receiving boss is positioned on the boss of said base member and the terminal receiving screw is threaded into engagement with the contact element to assemble the contact element with the screw and to simultaneously bend the projection into a keyway formed in the bore to secure the contact element to the base member. A second projection adjacent the first projection is of substantially greater width than the first projection and is permanently bent into a position for engagement with a shelf extending from a portion of the base member adjacent to the bore to assist in securing the contact element to the base member.

REFERENCES:
patent: 2622119 (1952-12-01), Hubbell
patent: 3944773 (1976-03-01), Schumacher
patent: 4410232 (1983-10-01), Murray

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