Resilient clamping device for securing an arc chute cover of a s

Details Resilient clamping device for securing an arc chute cover of a s Resilient clamping device for securing an arc chute cover of a s

1985-03-11

1986-09-23

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200293, 200295, 2003021, H01H 3300, H01H 902

Patent

active

046137343

ABSTRACT:
The invention concerns a mounting arrangement for an arc-quenching chute cover upon a base of a switching device. For that purpose it includes resilient clamping elements, such as a quick-release fastener which guides a coil spring and a rubber bushing. The anchoring of the quick-release fastener in the base is achieved by twisting a pin into a widened region. When excess pressures arise inside the arc-quenching chute cover, the rubber bushing is compressed and has a damping effect on the shaft portion of the quick-release fastener passing through it.

REFERENCES:
patent: 2337809 (1943-12-01), Gaynor
patent: 3538286 (1970-11-01), Michaelson, Jr.

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