Title:
NONCONTACT POWER SUPPLY DEVICE FOR TOOL HOLDER
Document Type and Number:
WIPO Patent Application WO/2022/172512
Kind Code:
A1
Abstract:
A noncontact power supply device 10 is provided with a power transfer coil unit 56 attached to a spindle housing 20 and a power receiving coil unit 58 arranged on the outer peripheral surface of a tool holder 26, and supplies energy in a noncontact manner to an actuator 36 housed in a body part 32 of the tool holder 26.
Inventors:
FUJIWARA SATOSHI (JP)
Application Number:
PCT/JP2021/038846
Publication Date:
August 18, 2022
Filing Date:
October 11, 2021
Export Citation:
Assignee:
NT ENGINEERING KK (JP)
International Classes:
B23B29/12; B23Q5/04; H01F38/14; H02J50/10; H02J50/40
Foreign References:
| JP2020129953A | 2020-08-27 | |||
| JPH10234138A | 1998-09-02 | |||
| JPH08155705A | 1996-06-18 | |||
| US20180178338A1 | 2018-06-28 |
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