B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
77/30, 255/54
B23B 51/00 (2006.01) B23B 31/00 (2006.01) B23B 31/12 (2006.01)
Patent
CA 1242340
ABSTRACT OF THE DISCLOSURE In a drill chuck for securing the shank of a tool in a hand-held device, clamping jaws are mounted in a chuck member and bear radially outwardly against the conically shaped surface in a first sleeve into which the tool shank is inserted. A second sleeve is connected to the first sleeve and is in threaded engagement with the chuck member. A locking or third sleeve is located about the first and second sleeves. The third sleeve is axially displaceable between a first position and a second position. In the first position the third sleeve engages the first and second sleeves so that the second sleeve cannot be rotated relative to the first sleeve or the chuck member and the tool shank can be locked by the clamping jaws. When the third sleeve is displaced into the second position the second sleeve is released and can be rotated relative to the chuck member for axially displacing the first sleeve relative to the chuck member and adjusting the radial position of the clamping jaws.
481778
Gartner Karl-Heinz
Hunger Josef
Manschitz Erwin
Moser Hans-Karl
Mundle Jurgen
Hilti - Aktiengesellschaft
Rolston George A.
LandOfFree
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