Electromagnetic apparatus

Details Electromagnetic apparatus Electromagnetic apparatus

1990-05-03

1991-10-08

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Retarded or delayed type

335131, H01H 700

Patent

active

050558110

ABSTRACT:
An electromagnetic apparatus has a connecting mechanism which transmits the operation of an actuator (28) of a main body to electric contact parts (13, 14) of a time delay unit 34 mounted on the main body. The connecting mechanism comprises a movable frame (31, 41, 51) for making the open/close operation of the electric contact parts (13, 14), and a connecting bar (30,60, 70) for connecting between the actuator (28) and the movable frame (31, 41, 51). The connecting bar (30, 60, 70) detachably engages with the actuator (28) and is connected to the movable frame (31, 41, 51) through a spring (32) which adjusts difference of operation stroke when the actuator (28) is moved over the operation stroke of the movable frame (31, 41, 51).

REFERENCES:
patent: 4009457 (1977-02-01), Guery et al.
patent: 4181829 (1980-01-01), Selas
patent: 4303147 (1971-12-01), Selas et al.

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