Pipe handling head

Details Pipe handling head Pipe handling head

1976-04-26

1977-06-21

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

214 25, 294106, B66C 110, E21B 1900

Patent

active

040307468

ABSTRACT:
A head for grasping and guiding a length of pipe, such as marine riser pipe. The head has a base, a body pivoted to the base, and a pair of latch arms pivoted to the body for grasping and releasing the pipe. Power actuated means are provided for pivoting the body on its pivot. Power actuated means are provided for pivoting the latch arms between open and closed positions. The power operated means may embody features that adapt the head to the requirements of grasping and guiding a length of riser pipe suspended from hoisting equipment by a cable and being drawn into a derrick.

REFERENCES:
patent: 2814396 (1957-11-01), Neale
patent: 3038620 (1962-06-01), Collin
patent: 3147993 (1964-09-01), Broderson et al.
patent: 3325029 (1967-06-01), Rigsby
patent: 3651966 (1972-03-01), Willett
patent: 3888317 (1975-06-01), Walters
patent: 3937515 (1976-02-01), Langowski

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