Importance

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Abstract

A governor assembly for an elevator system. The governor assembly includes: a sheave configured to rotate about a central axis (X-X) thereof at a speed related to the speed of movement of an elevator car; a plurality of masses mounted to the sheave for rotation therewith about the central axis (X-X) and configured to move from a first radial position to a second radial position, radially outward of the first radial position, when a speed of rotation of the sheave meets or exceeds a set speed; a sensor configured to detect that the plurality of masses have reached the second radial position; and a brake moveable from a non-braking position in which the sheave is free to rotate to a braking position in which the brake contacts the sheave so as to slow or stop rotation of the sheave.

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First Claim