Title:
ROTARY SHAFT STRUCTURE, AND MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/079707
Kind Code:
A1
Abstract:
Conventionally, there has been a demand for a technology that, for example under the necessity of downsizing a rotary shaft structure, enables wiring of an increased number of filament bodies within the rotary shaft structure. This rotary shaft structure 50 comprises: a hollow fixed part 136; a hollow rotary part 134 that is disposed on the fixed part 136 so as to be rotatable about a rotary axis J4 and that, together with the fixed part 136, defines a through-hole 138 which penetrates the rotary part 134 and the fixed part 136 in the direction of the rotary axis J4 and through which filament bodies 26 pass; and a restriction member 58 that restricts the filament bodies 26 in the rotary part 134 so as to allow the filament bodies 26 to rotate along with the rotary part 134 within a section A between one open end 138a and the other open end 138b of the through-hole 138.
Inventors:
NAKAYAMA KAZUTAKA (JP)
Application Number:
PCT/JP2021/040859
Publication Date:
May 11, 2023
Filing Date:
November 05, 2021
Export Citation:
Assignee:
FANUC CORP (JP)
International Classes:
B25J19/00
Domestic Patent References:
| WO2004078423A1 | 2004-09-16 |
Foreign References:
| EP2165808B1 | 2010-11-10 | |||
| JP2020044589A | 2020-03-26 | |||
| JPH04111795A | 1992-04-13 | |||
| JP2004276233A | 2004-10-07 | |||
| JP2002532275A | 2002-10-02 | |||
| JP2020044648A | 2020-03-26 | |||
| JP2000077150A | 2000-03-14 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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