Patent ID: 7195247

Claim:
A combination comprising at least a first bit and a joint for connecting a handle with the at least first bit; with the bit comprising: a shank having an axis and an outer periphery, and an indent formed on the outer periphery of the shank, with the indent having an axial extent: with the joint comprising: an insert fit in the handle, a socket connected with the insert and comprising an axial passage for receiving the shank, a plurality of first apertures communicated with the axial passage, a plurality of second apertures communicated with the axial passage and axially spaced from the plurality of first apertures, a first locking device installed on the socket and comprising a plurality of first detents put in the plurality of first apertures for abutment against the outer periphery and for removable receipt in the indent, with the first locking device further comprising a collar installed on the socket for controlling the plurality of first detents, a second locking device installed on the socket, wherein the second locking device comprises a plurality of second detents put in the plurality of second apertures for abutment against the shank and for removable receipt in the indent, with the second locking device further comprising a ring installed on the socket for controlling the plurality of second detents, and a C-clip installed on the socket for restraining the ring, with the axial extent of the indent allowing locking receipt of one of the plurality of first and second detents against axial movement of the at least first bit in the socket of the joint.