Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent
1997-05-06
1999-09-14
Matecki, Katherine
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
188 715, B66D 526
Patent
active
059509910
ABSTRACT:
An improved force transmitting apparatus for transmitting force between first and second members includes a plurality of force transmitting assemblies. The force transmitting assemblies are operable between engaged conditions in which the first force transmitting apparatus is effective to transmit force and disengaged conditions in which the force transmitting apparatus is ineffective to transmit force. A controller operates the force transmitting assemblies between the disengaged and engaged conditions as a function of a load applied to the apparatus. The improved force transmitting apparatus is useful as a brake in a drilling system having a draw string connectable with pipe. The force transmitting assemblies are connected with a drum of a winch connected to the draw string.
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Lunder Edward J.
Patel Kirit R.
Eaton Corporation
Matecki Katherine
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