Patent ID: 8065940
Filing Date: 2011-11-29
Classification: B25B,H01R,Y10T

Abstract:
1. A torque application device comprising: a first end portion spaced apart from a second end portion; a collar having a first opening positioned toward the first end portion for engaging a fastener; a grip coupled to the collar and extending away from the collar toward the second end portion, wherein the grip includes a second opening positioned toward the second end portion and in communication with the first opening, and wherein the grip is configured to magnify torque applied to it and to transfer all or part of the magnified torque to the collar; and a slip mechanism that partially or completely decouples the collar and the grip such that a predetermined maximum torque can be applied to the collar to tighten the fastener, wherein at least one of the grip and the collar is configured to provide a first visual indicator configured to display when the predetermined maximum torque has been applied to the collar, and a second visual indicator configured to display when the predetermined torque has not been applied to the collar.