Wrench head for applying high torque in limited space and method

Details Wrench head for applying high torque in limited space and method Wrench head for applying high torque in limited space and method

1995-11-30

1997-11-04

Carone, Michael J.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

811242, 811247, B25B 1308

Patent

active

H00016896

ABSTRACT:
A wrench head or the like device for applying torque about an axis to a b head or the like element from which there extends axially a member such as a tube or cable. The device has a pair of jaws spaced and configured so as to oppositely engage the element and provide a gap between distal ends of the jaws. The jaws have axially opposite regions, and the device is characterized by a reinforcement extending across and fixed to an axially aligned pair of these regions. The reinforcement terminates at the radially outward sides of the jaws and is relatively thin axially so that the device is receivable in a space limited axially and radially of the element. The reinforcement has a opening extending radially from the gap for passage of the member to align the device axially with the element. The device is further characterized by the width of the opening being substantially less than the space between the jaws so that the reinforcement minimizes bending of the jaws when applying a relatively high torque to the element. One form of the device may be constructed by welding a disk to one side of a conventional box end wrench and then cutting the gap and the opening through the wrench and the disk.

REFERENCES:
patent: 1224875 (1917-05-01), Zarth
patent: 2691912 (1954-10-01), Jones
patent: 2715347 (1955-08-01), Johnson
patent: 2716367 (1955-08-01), Montgomery
patent: 2800816 (1957-07-01), Tasciotti
patent: 5230263 (1993-07-01), Kwaka

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