Patent ID: 6218633
Filing Date: 2001-04-17
Classification: H01H

Abstract:
A switch mechanism for use in an electric power tool which is driven by a motor and includes a handle, the mechanism comprising:a speed change switch having a plunger, the speed change switch controlling the rotational speed of the motor;a trigger switch protruding out of the handle for being pulled to displace the plunger, the trigger switch displacing the plunger in correspondence with an amount by which the trigger switch is pulled; anda regulating member provided adjacent to where the trigger switch protrudes out of the handle so as to be operable from outside of the handle, the trigger switch, the speed change switch, and the plunger being disposed along an axis with the plunger interposed between the trigger switch and the speed change switch, the regulating member, when operated, being located between the trigger switch and the speed change switch, without interfering with the plunger, so as to block the movement of the trigger switch as the trigger switch is pulled, thus controlling the amount by which the trigger switch is pulled.