Patent ID: 7115018
Filing Date: 2006-10-03
Classification: B24B,H01H

Abstract:
1. A handheld polishing tool comprising: a housing having at least one handle extending therefrom; a polishing shaft mounted for rotation on the housing; a brushless DC motor mounted within the housing; a gear train connecting the motor to the polishing shaft whereby the polishing shaft is driven to rotate by the motor; a power cord, for suppling power to the motor, extending from the housing a selected distance to a power plug; a motor speed control circuit mounted spaced from the housing along the power cord, the motor speed control circuit supplying power to the motor, and in speed controlling relation to the motor; and a switch having a variable output, the switch mounted to the handle and connected by a communications link to the motor speed control circuit and arranged to cause the motor speed control circuit to vary the speed of the motor in proportion to the variable output of the switch.