Apparatus for operating the clamping jaws of a chuck
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United States of America Patent
Stats
-
Jul 19, 1988
Grant Date -
N/A
app pub date -
Feb 25, 1987
filing date -
Feb 25, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for operating the clamping jaws of a chuck. The clamping jaws are coupled with an adjustment member which, for producing an adjustment movement is in driving connection with an adjusting drive mechanism. The latter is formed by a two-part rotary motor that is disposed externally of the main spindle and is concentric thereto. The rotary motor is rotatably mounted as a self-contained unit. One functional member of the rotary motor is driveable directly by the main spindle and is drivingly supported thereon. The other functional member is drivingly connected with the adjustment member. To maintain the clamping force, the two functional members can be positively secured to one another. To undertake an adjustment movement, the two functional members can be infinitely variably moved relative to one another.
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Cited Art Landscape
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