B - Operations – Transporting – 25 – D
Patent
B - Operations, Transporting
25
D
B25D 17/08 (2006.01) B23B 51/00 (2006.01)
Patent
CA 2430516
A shank for a rotary and percussive tool has a locking groove arranged between two guide regions and axially closed at its opposite ends for receiving at least one radially displaceable and axially displaceable, within predetermined limits, locking member of a chuck in which the shank is received, with the guide dimension (F) of the guide region being smaller than the width (B) of the axial region (A) of the locking groove and that includes the radial extent of an entrain strip provided in that region (A), and greater than the thickness (D) of the axial region measured in a direction transverse to the width measurement direction.
Bongers-Ambrosius Hans-Werner
Britten Werner
Kleine Werner
Obermeier Josef
Gierczak Eugene J. A.
Hilti - Aktiengesellschaft
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