Tube nut wrench

Details Tube nut wrench Tube nut wrench

1975-06-16

1976-10-26

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5729, B25B 1700

Patent

active

039876926

ABSTRACT:
A tube nut wrench having a slotted end for application of a socket member of the wrench laterally to a side of a tube so as to receive the latter into the socket and to allow the socket to be moved axially to receive the tube nut for setting the latter. A reversible air motor is used to rotate the socket member in a reverse direction to register a slot in the socket member with a slot in the end of the wrench to admit the tube at the start of an operation, or to allow withdrawal of the wrench from the tube at the end of an operation, the motor being operable in a forward direction to set the nut. An adapter is provided for engagement with the regular socket member to provide a larger socket for reception of a larger than usual size nut.

REFERENCES:
patent: 429034 (1890-05-01), Justice
patent: 2649823 (1953-08-01), Markovich
patent: 2703221 (1955-03-01), Gardner
patent: 3257877 (1966-06-01), Ulrich et al.

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