Electric switch, in particular a load switch or electric circuit

Details Electric switch, in particular a load switch or electric circuit Electric switch, in particular a load switch or electric circuit

1992-12-18

1994-03-15

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335 21, H01H 900

Patent

active

052949036

ABSTRACT:
An electric circuit breaker or load switch has at least one fixed contact, a movable contact and a spring system having a rigid arm and a leaf spring. The leaf spring is hinged to the arm to provide an arm-leaf spring assembly in the form of a toggle mechanism, having a first end hinged to a movably supported element bearing the movable contact, and a second end which is hingedly supported at a distance from and opposite the fixed contact. The second end, the first contact and the movable element are positioned such that the arm-leaf spring assembly in both the open and closed position of the contacts assumes a deflected position, by which the connection length of the switch is effectively reduced.

REFERENCES:
patent: 4387356 (1983-06-01), Takemura et al.
patent: 4935711 (1990-06-01), Van der Scheer et al.

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