Aeg Electric Tools Gmbh

Jörn Gmbh

Stefan Pohl

Achim Hess

Hans Klöpfer

Jürgen Hopp

Markus Wörner

Oliver Lippke

Michael Schiebel

A spindle lock of a hand-held combination drill and chisel hammer has a gearbox housing and a countershaft rotatably supported in the gearbox housing about an axis of rotation. A locking plate is provided for selectively releasing and locking a rotational movement of the countershaft. Guide elements are disposed in the gearbox housing, wherein the locking plate is displaceably guided on the guide elements in the gearbox housing in a direction parallel to the axis of rotation of the countershaft. The guide elements have a guide rail arrangement wherein a part of the guide rail arrangement is provided on the gearbox housing and is integral with the gearbox housing.

Spindle lock for a hand-held combination drill and chisel hammer

A hand-held hammer drill has a housing, a tool spindle rotatingly driving a tool, a hammer action percussion-driving the tool, a swash plate drive driving the hammer action, and a countershaft driving as needed the tool spindle and the hammer action. A first bearing and an axial bearing are provided. The hub is rotatably supported in a cantilevered arrangement by the first bearing in the housing and coaxially surrounds the countershaft. The hub has a free cantilevered end and the axial bearing is disposed on the free cantilevered end, wherein the axial bearing axially supports the countershaft and has radial play relative to the countershaft.

Hand-held hammer drill

Growing community of inventors

Waiblingen, Germany

Stefan Pohl