Percussion drill with mode changeover device has first changeover element for changing between rotation/hammer, rotation only modes, second changeover element for torque matching

摘要

The percussion drill has a main body housing (2) on which a motor (3) is mounted, a planetary gear reduction arrangement (11), a cam device (15) for transferring a hammer motion axially to a spindle, a pressure device for pressing on and fixing internal teeth (13), a first changeover element for changing between rotation and hammer and rotation only modes, a second changeover device for torque adaptation and a force element for fixing the internal teeth.