Workpiece advancing apparatus
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United States of America Patent
Stats
-
Dec 29, 1987
Grant Date -
N/A
app pub date -
Dec 23, 1985
filing date -
Dec 23, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus is provided for gripping and advancing a workpiece for processing. The apparatus includes a flexible tension member and guide pulleys for supporting the tension member. The tension member is entrained about the guide pulleys for movement on the guide pulleys in a workpiece advancing direction and in a direction opposite thereto. A gripping assembly is provided for gripping the workpiece, and the gripping assembly is operably connected to the tension member for operation between an open position and a closed position. A tensioning mechanism is provided for selectively tensioning and untensioning the tension member for operating the gripping assembly from between one of the open and closed positions and the other of the positions. A drive arrangement is provided for selectively moving the tension member on the guide pulleys to move the gripping assembly selectively in the advancing and opposite directions.
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