Torque release wrench

Details Torque release wrench Torque release wrench

1975-09-12

1977-04-26

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

192 56L, B25D 23142

Patent

active

040194124

ABSTRACT:
The invention described herein is a ratchet-type torque release wrench for the precise setting of the residual axial tension (clamping force) to be retained within a threaded fastening system under installation, wherein as the threaded fastening system's bolt attains a predetermined value of axial tension the manually perceptible spontaneous release of only a minor portion of the total torque applied to either the fastening system under installation signals to the installation operator the completion of the fastening system's installation sequence.

REFERENCES:
patent: 2398392 (1946-04-01), Page
patent: 2667800 (1954-02-01), Garwood
patent: 2792733 (1957-05-01), Walraven et al.
patent: 3101434 (1963-08-01), Kitscha
patent: 3503021 (1970-03-01), DeBruin et al.
patent: 3710674 (1973-01-01), Seccombe et al.

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