Robert Boschgmbh

Dieter Butz

Mario Frank

Stefan Heess

Albert Kleider

Guenther Berger

Juergen Stierle

A hand power tool formed as a hand-guided angular grinder has a tool, and an electric-motor drive for the tool, a housing accommodating the drive and carrying a central bearing pin, a handle composed of two semi-shells, rotatably arranged on the bearing pin, overlapping an end side of the motor housing and having a switch strip, an electrical switch actuated by the switch strip and connected with the drive, and a fixing device for fixing the handle in at least two different positions in a relative rotation to the motor housing and having a manual actuating member arranged on the handle, each of the handle shells being provided with a bearing semi-shell formed on the handle shell and rotatably arranged on the bearing pin, the bearing pin being provided at an end side with a blind hole, and a sleeve is inserted in the blind hole, provided with a radial flange overlapping concentric ends of the bearing pin and the bearing semi-shells, and having a snapping hook located at an end which is remote from the flange and arrested in radial recesses in the bearing pin.

Hand power tool

An eccentric disk grinder has a grinding disk, an eccentric shaft fixedly connected with the grinding disk, a motor, a shaft having an axis arranged so that the motor eccentrically, circulatingly and rotatably moves around the axis of the shaft, with the eccentric shaft being rotatable relative to the shaft, a braking device provided for delaying movement of the grinding disk and having a braking element which follows the movement of the grinding disk and is delayable relative to the grinding disk.

Growing community of inventors

Kirchheim, Germany

Dieter Butz