Electrical connector switching module

Details Electrical connector switching module Electrical connector switching module

1978-07-28

1979-11-27

Lake, Roy

Geometrical instruments

174 73R, 200144R, 339143T, H01R 1352

Patent

active

041758170

ABSTRACT:
A connector module for loadbreak operation having an insulating housing and a switch insert. The insert includes a container with a major portion of uniform diameter and a configuration such that the diameter does not increase from its outer end to its inner end. Inside the container is a snuffer-contact assembly. A bore contact having a gas port is attached to a snuffer tube of the assembly and has fixed to it a piston adapter for driving the snuffer-contact assembly toward the open end of the container tube in response to gas generated by arcing inside the bore. Resilient sliding contact means are fixed to the piston and press against the inside wall of the container tube to establish continuous electrical contact with it even while the piston is moving. A gas check valve member is resiliently seated against the inner side of the gas port. Keyways in the piston ride over longitudinal keyribs formed in the wall of the container to prevent rotation of the piston in the container. A nosepiece is threaded into an expanded end of the container tube. Matching opposing grooves about the outer perimeter of the snuffer tube and the inner wall of the container hold an open retaining ring which resiliently restrains the snuffer-contact assembly from axial movement in the container.

REFERENCES:
patent: 3920307 (1975-11-01), Burns
patent: 3989341 (1976-11-01), Ball
patent: 4088383 (1978-05-01), Fischer et al.

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