Patent ID: 9597093
Date: 2017-03-21
CPC Classifications: A61B,B23B,F16D,Y10T

Claim:
1. A drive tool comprising: a tubular drive shaft extending along a first axis having a first end defining a connector element including a part-spherical cavity and a second drive element end, the connector element having walls surrounding the part-spherical cavity, and a first and second pair of slots extending along the tubular drive shaft and the walls of the connector element between an outer surface of the connector element and the part-spherical cavity; a pivot member extending along a second axis having a tool at a first end and a part-spherical head at a second end, the head pivotally mounted in the part-spherical cavity in the connector element; first and second deflectable arms engageable with the part-spherical head are mounted on the tubular drive shaft adjacent the cavity of the tubular drive shaft and deflectable through the respective first and second pair of slots into engagement with the part-spherical head; wherein the first and second pair of slots of the tubular drive shaft respectively surround the first and second deflectable arms and extend parallel to the first axis, have a first end at the connector element cavity and wherein the arms are mounted on the tubular drive shaft at a second end of the slots, the second end of the slots being closer to the second end of the tubular drive shaft than the first end of the tubular drive shaft; and wherein each arm has a first raised portion extending outwardly of an outer surface of the tubular drive shaft, each raised portion located between the first and second pair of slots surrounding the respective deflectable arm.