Abstract: A hand-held power tool, particularly hand-operated angle grinder has a device housing having a motor housing receiving an electric drive, a gear head arranged at one end of the motor housing and having a projecting drive spindle for a tool, and a handle arranged at another end of the motor housing and having a switch strip for switching the electric drive on and off, at least one of the handle and the gear head forming a rotatable housing part and being rotatable relative to the motor housing around a longitudinal axis of the motor housing. A manually actuated positioning device fixes the rotatable housing part in at least two different rotational positions, while the motor housing being provided with a central bearing neck, the rotatable housing part being provided with a rotating cross which is received on the bearing neck so as to be rotatable and secured against axial displacement, the positioning device being formed to cause a positive-locking engagement between the motor housing and the rotating cross.

Abstract: In an electric hand machine tool, particularly an angle grinding machine, for the purpose of ergonomic handling the handle, together with the switch bar, is designed to be rotatable, relative to the tool mounting on the gear head (11). For the rapid, problem-free changing of the position of the handle relative to the tool mounting, the handle (12) can be locked against rotation on the motor casing, containing the electric drive, in at least two turned positions by a manually operable locking device, and can be clamped on the motor casing by a manually operable clamp device. In a preferred embodiment the locking device (40) and clamp device are coupled together by constraint and are operated simultaneously by means of a single tightening lever.

Abstract: A hand held power tool has a working disc and a working sheet held on the working disc by a burdock connection. The working disc has a burdock surface. An intermediate pad is held on the burdock surface of the grinding disc. The intermediate pad has a first side provided with a velour coating and releasably connectable with the burdock surface of the grinding working disc and a second side releasably connectable with the working sheet.