Suspension of adjustable pipe spinner

Details Suspension of adjustable pipe spinner Suspension of adjustable pipe spinner

1982-08-29

1984-10-23

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 572, 81 5724, 81 5735, 81 574, B25B 1350

Patent

active

044781113

ABSTRACT:
A well pipe spinner includes two body parts carrying rollers and mounted by two pivotal connections for swinging movement between a closed position in which the rollers grip and drive a well pipe and an open position releasing the pipe. A structure extends between and interconnects the two pivotal connections in a relation permitting relative adjustment of their pivotal axes toward and away from one another for gripping different sizes of pipe. The tool is supported by a structure which is adapted to be suspended from a line or other element and which suspends the two body parts and pivotal connections at essentially the locations of the two pivotal axes.

REFERENCES:
patent: 2524508 (1950-10-01), Barnes
patent: 2550045 (1951-04-01), DeHetre
patent: 2556536 (1951-06-01), Harris
patent: 4099429 (1978-07-01), Hauk
patent: 4425827 (1984-01-01), Wells

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