Audible signal torque wrench

Details Audible signal torque wrench Audible signal torque wrench

1998-03-31

2000-05-16

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Responsive to torque on work

81477, B25B 23159

Patent

active

06062115&

ABSTRACT:
An audible torque wrench including a head having a tool connecting part. A handle is operatively attached to the head in order to cause rotation thereof. A grip is pivotably attached at one of its ends to the handle. A spring is fastened between the grip and the handle at the end opposite the pivot on the grip. The spring is mounted so that it may be moved longitudinally along the length of the handle in order to change the torque settings for the wrench. An audible clicker spring is fastened to either the handle or the grip at a position between them so that when a force is applied to the grip, to rotate it about the head, the grip compresses the spring and biases the resilient member until it reaches the position where an audible signal is made.

REFERENCES:
patent: 1512192 (1924-10-01), Benko
patent: 2122760 (1938-07-01), Scott et al.
patent: 2371901 (1945-03-01), Livermont
patent: 2400205 (1946-05-01), Livermont
patent: 3357284 (1967-12-01), Van Hoose
patent: 3608403 (1971-09-01), Green
patent: 3763724 (1973-10-01), Green
patent: 3847038 (1974-11-01), Green
patent: 4403530 (1983-09-01), Biddle
patent: 5123289 (1992-06-01), Potesta
patent: 5152200 (1992-10-01), Kaplan

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