Trigger switch

Details Trigger switch Trigger switch

2011-07-19

2011-07-19

Figueroa, Felix O (Department: 2833)

Electricity: circuit makers and breakers

Solid contact

Push button operated

C200S01600R

Reexamination Certificate

active

07982152

ABSTRACT:
Disclosed a trigger switch including fixed contacts forming main contacts double in series and functioning as a switch for supplying a motor with power and slide plate parts connected to the fixed contacts; and movable contacts provided in an actuator interlocking with an operation part and auxiliary contacts sliding on the slide plate parts. Drawing the operation part causes the actuator to move forward making the movable contact come into electric contact with the fixed contact to supply the motor with power, simultaneously making the auxiliary contact bridge over the slide plate parts to achieve electric contact to make no potential in the contact between the movable contact and the fixed contact. Releasing the operation part make the movable contact separate from the fixed contact, simultaneously making the auxiliary contact bridging over the slide plate parts cause a break of the contact with the slide plate part.

REFERENCES:
patent: 4206333 (1980-06-01), Savas et al.
patent: 4282414 (1981-08-01), Johnston et al.
patent: 5929407 (1999-07-01), Ziem
patent: 6664490 (2003-12-01), Kato
patent: 6749028 (2004-06-01), Chan et al.
patent: 2003-162930 (2003-06-01), None

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