Patent ID: 8979080
Filing Date: 2015-03-17
Classification: F16F

Abstract:
1. An adjustable compliance apparatus, comprising: a shaft; a sleeve element that comprises a bore there through, the shaft positioned through the bore of the sleeve element; a torsion spring that comprises a plurality of coils, the shaft positioned through the plurality of coils; and a space between the shaft and the plurality of coils; wherein the sleeve element is slidable in an axial direction along the shaft between the torsion spring and the shaft so as to fill or unfill the space between the shaft and the plurality of coils by rotating the sleeve element around the shaft so as to adjust the amount of contact between the sleeve element and the plurality of coils, and wherein compliance of the adjustable compliance apparatus is adjustable based on a number of the plurality of the coils in contact with the sleeve element as positioned along the shaft within the torsion spring.