Patent ID: 6135189
Filing Date: 2000-10-24
Classification: E06B

Abstract:
Apparatus to balance a first force against a second force wherein the ratio between the first force and the second force, as said first and second forces vary with respect to one another, is variable and calculatable, comprising,a threaded tapered screw, the screw having a pitch which is proportional to said ratio;a follower, adapted to engage the thread of the screw and to translate longitudinally and rotate with respect to the screw; whereby the first and second forces may be maintained substantially in balance when the apparatus is operationally connected to the first and second forces; anda hollow tubular screw extension connected to and extending axially and longitudinally from the larger end of the tapered threaded screw, whereby, during operation of the apparatus to balance the first and second forces, torque tends to be applied to the larger end of the screw.