Switch

Details Switch Switch

1981-03-12

1982-06-29

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Latching means

335202, H01H 920

Patent

active

043374476

ABSTRACT:
In a switch, in particular a power, control or starter switch, a contact system and a magnetic system are provided in a housing whereby the magnetic system actuates the contact system. The contact system is provided with contact bars having rigid contact pieces, as well as actuable bridges with movable contact pieces which are actuated by means of a common bridge, whereby each bridge and the associated contact bars are mounted in a switch chamber. Furthermore, a switch-on contact with a self-locking contact is provided. In switches of this type, it is typically required to hold a switching operation for a longer time period, without necessitating the manually pushing down of a push key. The required separate switch-on contact is typically mounted in a separate large housing. In order to reduce the structural and space requirements and to permit a simple wiring, a contact yoke is structurally integrated with the switch for the switch-on contact which can be actuated from the outside by means of an actuating element and which cooperates with the common bridge support.

REFERENCES:
patent: 3808567 (1974-04-01), Maier
patent: 3852544 (1974-12-01), Grunert et al.

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