Tool receiver for hammer drill or hammer chisel, with lock bolt in form of shaped body with recess between projections

摘要

The tool receiver has a lock bolt (12) in the form of a shaped body with two axially spaced projections (13, 14) between which there is a recess (15). The support ring (16) has a recess (19) between two axially spaced projections (17, 18). The projections of the ring correspond to the recess in the lock bolt and vice versa.