Powered hand tool, especially hammer drill, has housing sleeve which to prevent rotation relative to hammer tube has counter element interacting with fixing element of hammer tube in mechanically or positively locking manner

摘要

The powered hand tool, especially a hammer drill, has a housing sleeve (22) installed on a hammer tube (16), and an unlocking sleeve (40) movably installed in the longitudinal direction of the hammer tube and locking or releasing the tool holder (14). The hammer tube has at least one fixing element (24) in the form of a recess (26) or slot (28), and the housing sleeve to prevent its rotation relative to the hammer tube has at least one counter element (30) interacting with the fixing element in a mechanically or positively locking manner.