US Patent No. 9,364,899

TOOL HOLDER ON WHICH NONROTATIONAL TOOL OF MACHINING CENTER IS MOUNTED


Patent No. 9,364,899
Issue Date June 14, 2016
Title Tool Holder On Which Nonrotational Tool Of Machining Center Is Mounted
Inventorship Yoshikazu Satou, Yamanashi (JP)
Assignee FANUC CORPORATION, Yamanashi (JP)

Claim of US Patent No. 9,364,899

1. A tool holder which is detachably attachable to a spindle of a machining center, and on which tool holder a nonrotational
cutting tool is mounted, the tool holder comprising:
a sleeve that is fitted to the spindle, on which spindle the tool holder is mounted;
a drive shaft that is connected to the sleeve;
a tool holder body that is supported to be rotatable relative to the drive shaft; and
a tool holding unit which is fixed to the tool holder body and on which the nonrotational tool is mounted,
wherein the tool holder body includes a positioning pin that is inserted into the machining center, and the tool holder body
also includes a locking mechanism,

the locking mechanism locks the rotation of the tool holder body relative to the drive shaft when the positioning pin is not
inserted into the machining center, and

the locking mechanism allows the rotation of the tool holder body relative to the drive shaft when the positioning pin is
inserted into the machining center.