US Patent No. 10,786,881

SPINDLE DEVICE


Patent No. 10,786,881
Issue Date September 29, 2020
Title Spindle Device
Inventorship Masahiro Murota, Yamanashi-ken (JP)
Assignee FANUC CORPORATION, Yamanashi (JP)

Claim of US Patent No. 10,786,881

1. A spindle device comprising:a spindle housing;
a spindle shaft configured to be rotatably supported inside the spindle housing;
a spindle mount having an insertion cavity into which the spindle housing is inserted along an axial direction of the spindle shaft;
a flange portion projecting outward from an outer peripheral surface of the spindle housing and configured to be removably fixed to an end of the spindle mount that is closer to one opening of the insertion cavity; and
a support member configured to support the spindle housing inserted in the insertion cavity, by using, as a base, another end of the spindle mount that is closer to another opening of the insertion cavity,
wherein the support member includes a plurality of support arms which are arranged at intervals in a circumferential direction of the spindle shaft, each of the support arms extending in a radial direction of the spindle shaft so as to cross an edge of the other opening of the insertion cavity.