Patent ID: 7682099
Filing Date: 2010-03-23
Classification: B25F,B25G,Y10T

Abstract:
1. A hand tool coupling mechanism, comprising: a first member having a first splined orifice; a second member having an upper prong with a second orifice having an inner splined portion and an outer smooth cut portion around the circumference thereof and a lower prong with a third orifice having an inner splined portion and an outer smooth cut portion around the circumference thereof; a splined pin assembly, further comprising: the first member being positioned between the upper prong and the prong of the second member with the first splined orifice coaxially aligned with the second and third splined orifices of the upper and lower prongs of the second member wherein the splined pin being movable from one axial position of the splined pin in which the splines on the splined pin do not mesh with the splines on the upper prong and lower prong such that pivoting of the first member with respect to the second member is permitted, to another axial position in which the splines on the splined pin mesh with the splines on the lower prong and the upper prong so that pivoting of the first member with respect to the second member is prevented.