Patent ID: 8347740
Filing Date: 2013-01-08
Classification: C30B,G01G,Y10T

Abstract:
1. An apparatus for measuring the weight of an object while pulling the object upward, the apparatus comprising: a frame having a vertical axis and a horizontal axis, the vertical axis parallel to an axis along which the object is pulled, the horizontal axis being orthogonal to the vertical axis; a cable coupled to the object; a first cylinder rotatably connected to the frame, at least a portion of the cable engaging a surface of the first cylinder; a second cylinder rotatably connected to the frame, at least a portion of the cable engaging a surface of the second cylinder; an upper arm having a first end, a second end, the upper arm coupled to the frame; a lower arm coupled at one end to the first cylinder and at another end to the frame; an actuator coupled to the upper arm; a force measurement device for measuring the weight of the object, the force measurement device coupled to the first cylinder; and wherein the actuator is operable to lower and raise the force measurement device, the first cylinder, and the second cylinder, and wherein the lower arm substantially restrains the first cylinder from movement parallel to the horizontal axis.