Patent 9539691 was granted and assigned to Bosch on January, 2017 by the United States Patent and Trademark Office.
A hand-power tool includes at least one tool spindle and a drive unit configured to drive the tool spindle at a rotational speed greater than 10,000 min−1. The hand-power tool further includes at least one lighting unit that has at least two lighting mechanisms that are configured to illuminate a work area. The lighting mechanisms are arranged on an axial plane of the tool spindle at an angle of less than 125 degrees relative to each other with respect to the tool spindle.