Mold safety device

Details Mold safety device Mold safety device

B - Operations, Transporting

66

D

254/92

B66D 5/16 (2006.01) B60T 7/12 (2006.01) B66D 1/54 (2006.01) B66D 5/04 (2006.01)

Patent

CA 1192895

ABSTRACT OF THE DISCLOSURE The invention relates to an improved safety device for stopping cable payout in an overspeed condition, and particularly to a safety device for securing an object from falling because of failure of a hoisting device. According to the invention, an inertial actuated drum locking mechanism comprises an inertial member mounted on a cable rewind drum. The inertial member is pivotable so that when actuated by inertial force above a predeter- mined value due to overspeed rotation of the drum, the inertial member moves to engage a fixed member for arrest- ing further motion of the drum. The inertial member is held in place until the outward force exceeds the predeter- mined value, at which point, the inertial member toggles outward to provide rapid and positive engagement of the locking mechanism.

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