Ratcheting torque-angle wrench and method

B - Operations – Transporting – 25 – B

Patent

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Details

B25B 23/142 (2006.01)

Patent

CA 2502695

A torque-angle wrench (10) has a torque preset alert circuit (28) which provides a first signal when a predetermined torque level is reached, an angle sensing circuitry (22, 23) providing a second signal corresponding to angular rotation, output circuitry (24, 25) responsive to the second signal for providing an indication of angular rotation, and switch circuitry (27) for preventing the second signal from reaching the output circuitry until the occurrence of the first signal.

L'invention concerne une clé à angle de couple (10) doté d'un circuit d'alerte (28) préréglé à couple qui produit une premier signal lorsqu'un niveau de couple prédéterminé est atteint, de circuits de détection (22, 23) d'angle produisant un second signal correspondant à une rotation angulaire, de circuits de sortie (24, 25) réagissant au second signal pour produire une indication de rotation angulaire, et de circuits de commutation (27) pour empêcher le second signal d'atteindre les circuits de sortie jusqu'à la survenue du premier signal.

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