| http://www.w3.org/ns/prov#value | - including a non-reversible drive connection to said holder to positively hold said holder in its working position said mechanism including an electric motor and the combination also includes a pinion moved in synchronism with the movement of the tool holder, a rack moved by said pinion, an abutment moved in response to movement of said rack, and a limit switch actuated by said abutment when the to
|
