Contact switching device

Details Contact switching device Contact switching device

1983-08-12

1984-09-18

Shepperd, John W.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 73, 200244, H01H 304

Patent

active

044726155

ABSTRACT:
A contact switching device has a driving link pivoted on its one end, a spring loaded slide slidably disposed within a longitudinal guide groove disposed on the other end portion of the driving link, a connecting link pivoted at one end on the slide and at the other end on an intermediate point of a driven link pivoted on its one end and having a movable contactor disposed on the other end portion of the driven link to separably engage two stationary contacts. Alternatively two connecting links having equal lengths may be pivoted at one end on the slide and at the other ends on respective driven links at points equidistant from the pivot on which the driven links are pivoted. The driven links have equal length and movable contactors for separably engaging pairs of stationary contacts. The contact of one pair is connected to one contact of the other pair.

REFERENCES:
patent: 320017 (1885-06-01), Thomson et al.
patent: 2601422 (1952-06-01), Thumim
patent: 3013143 (1961-12-01), Hayden
patent: 3264420 (1966-08-01), Charbonneau

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