Suspension of pipe spinner

Details Suspension of pipe spinner Suspension of pipe spinner

1982-02-23

1984-01-17

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

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

Patent

active

044258275

ABSTRACT:
A pipe spinner is provided which includes two 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 or the like and an open position releasing the pipe, with an adjustable connection attaching the two pivotal connections together for relative lateral movement to shift the two pivotal axes toward and away from one another for gripping different sizes of pipe, and with the spinner including a hanger or support structure attached to the mentioned adjustable connection and adapted to be suspended by a line or other element in a manner suspending the entire tool through the adjustable connection.

REFERENCES:
patent: 2556536 (1951-06-01), Harris
patent: 2703221 (1955-03-01), Gardner
patent: 2741460 (1956-04-01), Gardner
patent: 3086413 (1963-04-01), Mason
patent: 3921473 (1975-11-01), Boyadjieff et al.

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