Chucks or sockets – Socket type – Fluid-conduit drill holding
Patent
1997-08-21
1999-09-21
Bishop, Steven C.
Chucks or sockets
Socket type
Fluid-conduit drill holding
279 75, 279 82, 279905, 408 57, 409136, 409234, B23B 3122, B23B 5106, B23C 528
Patent
active
059543477
ABSTRACT:
A tool holder and an associated tool with the shank are provided for a drilling and/or striking machine tool. The tool holder has a drive spindle with a receiving opening provided with a cone for centering and a portion for driving the tool. Dumbbell-shaped locking elements are guided with their inner ends in a passage and with their outer ends in a longitudinal groove. The outer ends engage in pockets in an axially displacable locking sleeve which is prestressed by a spring in the direction toward its locking position.
REFERENCES:
patent: 3405950 (1968-10-01), Cox
patent: 4080090 (1978-03-01), Kern
patent: 4824298 (1989-04-01), Lippacher et al.
patent: 5000631 (1991-03-01), Deutschenbaur et al.
patent: 5709393 (1998-01-01), Von Keudell et al.
Buck Manfred
Fehrle Siegfried
Koelle Bernd
Bishop Steven C.
Robert & Bosch GmbH
Striker Michael J.
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