Battery-operated power tool with light source

Details Battery-operated power tool with light source Battery-operated power tool with light source

H - Electricity

05

B

H05B 37/02 (2006.01) B25B 23/18 (2006.01)

Patent

CA 2517555

A battery-operated power tool includes housing, a motor disposed in the housing, a battery, a light source, a driver circuit, and first and second physical switches. The driver circuit includes a transistor configured as a switch connecting the battery to the light source. The driver circuit further includes a capacitor arranged to form a timer. The first physical switch is arranged such that its assertion connects the battery to the light source for a predetermined period of time. The second physical switch is separate from the first physical switch and is arranged such that its assertion connects the battery to the motor.

L'invention porte sur un outil électrique alimenté par batterie comprenant: un boîtier, un moteur placé dans le boîtier, une batterie, une source lumineuse, un circuit de commande, et un premier et un deuxième commutateur physiques. Le circuit de commande comporte: un transistor commutant la batterie sur la source lumineuse ainsi qu'un condensateur servant de minuteur. Le premier commutateur physique relie la batterie à la source lumineuse pendant une période donnée. Le deuxième commutateur physique, séparé du premier, relie la batterie au moteur.

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