Chuck assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 24, 2001
Grant Date -
N/A
app pub date -
Oct 7, 1999
filing date -
Oct 9, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
To provide a chuck assembly which is superior in practical usability and workability in clamping and fixing a tool to a spindle without fail and with ease by lever-operation of a specialized operational jig, a taper portion is provided on at least one of an inner circumferential wall of the sleeve portion and an outer circumferential wall of the tool clamping portion, the tool clamping portion and the sleeve portion are brought into contact with each other at the taper portion, a retainer portion for retaining the operational jig is provided on the sleeve portion, a support portion is provided in a predetermined position of the chuck assembly body for supporting the operational jig retained at the retainer portion, the sleeve portion retained by the operational jig is slidingly moved relative to the tool clamping portion when the operational jig is lever-operated in a taper direction of the taper portion by using the support portion as a fulcrum, and the opening portion of the tool clamping portion is widened/narrowed by taper action of the taper portion by the sliding movement of the sleeve portion.
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