Cable feeding apparatus
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United States of America Patent
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-
Sep 29, 1998
Issued Date -
N/A
app pub date -
Oct 17, 1996
filing date -
Nov 23, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved cable feeder uses tractor type drive belts and compressed air to propel cable through a conduit. The axial force applied to the cable is sensed with a strain gauge near the conduit or a pressure detector in a hydraulic system powering the drive belts. If excessive force is applied, hydraulic fluid is diverted from the drive belts. The radial force applied to the cable is limited by a calibrated spring. The feeder can also be arranged in a mid-assist configuration. Conduits and the cable are sealed to maintain air pressure. A by-pass pipe is provided to convey pressurized air from a first conduit to a succeeding conduit.
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Family
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Cited Art Landscape
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