Cathead, Automatic

A clutch operated metal mechanical device consisting of a wheel having a flanged or flat surfaced rim or a spool shaped drum mounted on a shaft to which the end of a wire or fiber rope or chain is attached. The rotating cathead imparts a pulling power to the line attached to it.

Source: Petroleum Safety Orders–Drilling and Production, Definitions, California Code of Regulations, 8 CCR § 6505, December 2012. Regulations


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