Patent ID: 6736220
Filing Date: 2004-05-18
Classification: H01H

Abstract:
A trigger assembly for controlling the operation of an electric power tool including an electric motor, comprising:a base for fixing within said power tool; and a trigger supported by the base for inward and outward movement; wherein the base comprises: a housing; a first mechanical switch provided in the housing and operable to switch on and off said motor; an electronic operating circuitry provided in the housing for controlling the operation of said motor when the first switch is closed; a slider guided within the housing for movement by or with the trigger to operate the first switch and the operating circuitry; and a second mechanical switch provided within the housing and operable in response to the movement of the trigger to switch on and off an auxiliary device for said power tool, the auxiliary device being located externally of the base and operable independently of the operating circuitry.