Brake system for drilling equipment
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United States of America Patent
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Jun 20, 1995
Grant Date -
N/A
app pub date -
Dec 15, 1994
filing date -
Sep 15, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A brake system for controlling a winch cable for an oil well drilling or servicing operation includes a main external contracting band brake for stopping the cable and an auxiliary disk brake for controlling the speed the cable unwinds from the winch so as to control the descent of a load on the cable.
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