Screw retainer for a molded case circuit breaker movable contact

Details Screw retainer for a molded case circuit breaker movable contact Screw retainer for a molded case circuit breaker movable contact

1992-05-15

1993-06-08

Luebke, Renee S.

Electricity: circuit makers and breakers

Toggle mechanisms

H01H 900

Patent

active

052171116

ABSTRACT:
A screw retainer is fabricated from a thin sheet of spring steel and is comprised of three sections: a screw support section, a leg support section and a leg section. The screw support section contains a through-hole for receiving a support screw. The leg support section is bounded by the screw-support section and the leg section. The leg section is angulated with respect to the leg support section and has a degree of spring action that allows it to be compressed so as to allow it and the leg support section to be inserted between the respective lower portions of integrally-formed upstanding support arms of a support base. Once the screw retainer is completely inserted between the respective lower portions of the integrally-formed upstanding support arms, the leg section springs back to its normal position thereby preventing the screw retainer from becoming dislodged from its position.

REFERENCES:
patent: 3134051 (1964-05-01), Lyon
patent: 4650272 (1987-03-01), Doughty et al.
patent: 4931603 (1990-06-01), Castonguay et al.

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