Patent ID: 6854742
Filing Date: 2005-02-15
Classification: A61B,Y10T

Abstract:
1. A tool driver comprising a shaft having a longitudinal axis and opposite ends, a first partial boss at one of said shaft ends, a tool collet at the other of said shaft ends, a second partial boss having a bore extending therethrough, said second partial boss being positioned on said shaft with said shaft in said bore, a stop on said shaft, said second partial boss being slidable on said shaft between said first partial boss and said stop, a spring being positioned between said second partial boss and said stop, said spring urging said second partial boss into said engagement with said first partial boss, said first and second partial bosses being complementary to each other, said first and second partial bosses in engagement with each other defining a bayonet type latch mechanism, said latch mechanism having an axially extending inwardly tapered bore extending from said one end coaxially of said shaft into said first and second bosses, said tapered bore being adapted to receive a coaxially located disc of a tool to be connected to said tool driver within said tapered bore, said tapered bore and said tool disc coaxially centering said tool on said axis of said tool driver.