Abstract
The following quote was obtained by the news editors from the background informa tion supplied bythe inventors: “The disclosure relates to a fastener to be atta ched to a workpiece by an attaching deviceprovided on an arm, such as a manipul ator, of a robot; a fastener attaching device using the fastener; anda fastener attaching method using the fastener attaching device.“For example, as described in Japanese Unexamined Patent Application Publication (JP-A) No. 2020-89903, a stud welder is used as an attaching device for attachi ng, by arc welding, a stud bolt, serving asa fastener, to a workpiece, such as a steel member, in the production of vehicle bodies of mass-producedvehicles. T he stud welder disclosed in JP-A No. 2020-89903 is called a welding gun, with wh ich a studbolt gripped by a gripper, called a collet, provided at the end of th e welding gun is manually welded toa workpiece. With such a manual welding gun, welding is performed after gripping the stud bolt with thegripper one-by-one.
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