Double acting internal diameter gripping chucks
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United States of America Patent
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-
Oct 26, 1982
Grant Date -
N/A
app pub date -
Jun 30, 1980
filing date -
Jun 30, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chuck is disclosed for gripping an annular workpiece by jaws clamping against the inside wall of the workpiece. The jaws extend axially of the chuck and are rocked between clamping and release positions by levers which contact the radially outer face of the rearward end of the jaws as a result of pivoting about a point adjacent the radial outer periphery of the chuck body. The levers are moved by an axially movable actuator at the axial center of the chuck. The arrangement provides a mechanical advantage such that the chuck in closed position is substantially self locking.
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