B - Operations – Transporting – 25 – D
Patent
B - Operations, Transporting
25
D
B25D 17/08 (2006.01) B21J 7/00 (2006.01)
Patent
CA 2142475
A tool holder for a rotary and/or chisel hammer is provided with a sleeve body with a central opening for receiving a tool bit with a least one axial locking groove which is closed at both ends for engaging a cylindrical locking body which is located in a through opening in the sleeve body. The sleeve body is surrounded by a displaceable adjustment sleeve which has an area for preventing an outward radial movement of the locking body and which in a displaced position permits the radial outward movement of the at least one locking body. A ring element consisting of several ring segments is located behind the locking body and extends with a support portion into the through opening. With the movement of the locking body it can be displaced to the rear against spring pressure and in its displaced position permits a radially outward movement of the at least one locking body.
Black & Decker Inc.
Sim & Mcburney
LandOfFree
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