Title:
JOINT STRUCTURE AND ROBOT
Document Type and Number:
WIPO Patent Application WO/2022/163510
Kind Code:
A1
Abstract:
Provided is a joint structure (10) comprising: first members (11), (62a) having cylindrical first inner surfaces (11i), (62i) that follow a prescribed axis (J6); a second member (12) having cylindrical outer surfaces (12o1), (12o2) that are positioned coaxially with the first inner surfaces; first seals (21), (22) that seal annular gaps between the first inner surfaces (11i), (62i) and the outer surfaces (12o1) while permitting relative rotation of the first and second members about the axis (J6); third members (31), (32) provided with second inner surfaces (31i), (32i) that are positioned coaxially with the first inner surfaces, the third members (31), (32) being removably attached to the first members at locations on the outer sides of the positions of sealing by the first seals; and second seals (41), (42) that are press-fitted to the second inner surfaces (31i), (32i), the second seals (41), (42) sealing annular gaps between the second inner surfaces (31i), (32i) and the outer surfaces (12o2) while permitting relative rotation of the first and second members about the axis (J6).
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Inventors:
HANATANI KOUHEI (JP)
Application Number:
PCT/JP2022/002115
Publication Date:
August 04, 2022
Filing Date:
January 21, 2022
Export Citation:
Assignee:
FANUC CORP (JP)
International Classes:
B25J17/00; B25J19/00; F16C33/76; F16J15/3204
Foreign References:
| JP2006017255A | 2006-01-19 | |||
| JP2009085267A | 2009-04-23 | |||
| JP2011245586A | 2011-12-08 | |||
| JP2001254787A | 2001-09-21 | |||
| CN111283725A | 2020-06-16 |
Attorney, Agent or Firm:
UEDA, Kunio et al. (JP)
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