Title:
送り装置及び工作機械
Document Type and Number:
Japanese Patent JP6540058
Kind Code:
B2
Abstract:
A feed apparatus includes a base, a moving member that is movable in a predetermined axial direction with respect to the base, a first screw shaft provided on the base so as to be parallel to the axial direction, a second screw shaft provided separately from the first screw shaft on the base so as to be parallel to the predetermined axial direction, a first motor mounted on the base to rotate the first screw shaft, a second motor mounted on the base to rotate the second screw shaft, a first nut provided on the moving member and moving in the predetermined axial direction in conjunction with rotation of the first screw shaft, and a second nut provided on the moving member and moving in the predetermined axial direction in conjunction with rotation of the second screw shaft. The first nut and the second nut are disposed at different positions in the predetermined axial direction.
Inventors:
Koji Toyama
Application Number:
JP2015019031A
Publication Date:
July 10, 2019
Filing Date:
February 03, 2015
Export Citation:
Assignee:
JTEKT Corporation
International Classes:
B23Q5/40; B23Q1/58
Domestic Patent References:
| JP2000141156A | ||||
| JP2061542U | ||||
| JP7040163A | ||||
| JP2014145391A |
Foreign References:
| US6490956 |
Attorney, Agent or Firm:
Patent business corporation Kyoritsu