Patent ID: 7025151
Filing Date: 2006-04-11
Classification: A61B,B25B

Abstract:
1. A device for limiting torque, comprising: first and second shafts having a longitudinal axis; at least first and second transfer elements arranged coaxial with the longitudinal axis of the first and second shafts, the first transfer element associated with the first shaft and the second transfer element associated with the second shaft; the two transfer elements having substantially complementary engaging faces; at least one elastic element configured to bias the engaging faces of the first and second transfer elements into engagement with each other; wherein an engaging face of the first transfer element has a first engageable contour, and an engaging face of the second transfer element has a second engageable contour, wherein first and second engageable contours each have first and second active angles and a first passive angle; wherein the first and second active angles of at least the first engageable contour are substantially unequal.