Electricity: circuit makers and breakers – Special application – Actuated concurrently with operation or use of art device
Patent
1979-12-26
1981-12-29
Truhe, J. V.
Electricity: circuit makers and breakers
Special application
Actuated concurrently with operation or use of art device
180279, 307121, 340 52H, H01H 3514
Patent
active
043084389
ABSTRACT:
A rocker having a ball-and-socket mounting, hence movable in any direction, is normally held in a fixed position by the conical tip of a catch assembly which is pressed by a spring against the head of the rocker. In the event of a concussion, the rocker pivots, an armature forming part of the catch assembly is pulled toward the rocker, and a contact holder is simultaneously displaced, the path of movement of the contact holder being shorter than that of the armature. A contact element is thereupon separated from the matching contact stud, breaking the battery-grounding circuit. Provision may be made for an auxiliary circuit to be closed at the same time by a bridge connecting two additional contacts. By means of two electromagnets, the cut-out can also be actuated and reset by remote control.
REFERENCES:
patent: 2331017 (1943-10-01), Ericson
patent: 3110780 (1963-11-01), Schultz et al.
patent: 3745277 (1973-10-01), Shawcross et al.
Mathez Marc
Rossel Roland
Ginsburg Morris
R.T.R. S.A.
Truhe J. V.
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