Brakes – Wheel – Transversely movable
Patent
1994-12-15
1995-06-20
Oberleitner, Robert J.
Brakes
Wheel
Transversely movable
188 721, 188264A, 254379, F16D 5100, B66D 526
Patent
active
054254353
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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Gregory Rig Service & Sales, Inc.
Oberleitner Robert J.
Poon Peter M.
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