Patent ID: 7424832
Filing Date: 2008-09-16
Classification: G01L

Abstract:
1. A cable tension measuring device, comprising: a beam structure comprising first, second, and third extensions, the second extension located between and equidistant from the first and third extensions; two pulleys, each rotatably attached to the first and third extensions, having an inner surface to accept a cable; two openings on the first and third extensions, located below the pulleys to allow insertion of the cable on a bottom side of the inner surface and rotation of the pulleys; a slot, located at a top of the second extension, comprising a width sufficient to accept the cable; a guard, fastened to the top of the second extension, over the slot, to hold the cable in place within the slot; an angle formed between the cable and a line parallel to the beam structure, extending between the bottom sides of the pulleys, when the cable is inserted on the inner surface on the bottom side of the pulleys and in the slot; and, at least two gages located on the beam structure capable of determining beam structure bending between the first and second extensions and between the second and third extensions.