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US 11,629,561 B2Granted
Brakes for a tong
AssigneeWeatherford Technology Holdings, LLC
InventorsKevin Wood, Arne Tjark Becker
Life of this patent
Estimating the term…
Abstract
A tong for handling a tubular includes a jaw carrier having an active jaw movable from a retracted position to an extended position relative to the jaw carrier; a cam body disposed about the jaw carrier and rotatable relative to the cam body; and a brake assembly including an first brake member for engaging an upper surface coupled to the jaw carrier.
Claims15
A tong for handling a tubular, comprising:
- a jaw carrier having an active jaw movable from a retracted position to an extended position relative to the jaw carrier, and a passive jaw;
- a cam body disposed about the jaw carrier and rotatable relative to the jaw carrier;
- and
- a brake assembly including a first brake member for engaging an upper surface coupled to the jaw carrier.
1 more element
A method of rotating a tubular using a tong, comprising:
- inserting the tubular into the tong, the tong having a jaw carrier including at least one active jaw, at least one passive jaw, and a cam body;
- retaining the jaw carrier using a brake assembly;
- rotating the cam body relative to the jaw carrier to radially extend the at least one active jaw into engagement with the tubular;
- rotating the jaw carrier using the cam body;
- disengaging the brake assembly from retaining the jaw carrier;
- and
- rotating the tubular gripped by the at least one active jaw.
4 more elements
Dependencies are inferred from the claim text.