Title:
FEED SHAFT MECHANISM
Document Type and Number:
WIPO Patent Application WO/2023/145075
Kind Code:
A1
Abstract:
A feed shaft mechanism including a ball screw, a nut that engages with the ball screw, a bracket to which the nut is attached, a bearing provided at one end of the ball screw, a first housing part that holds an outer ring of the bearing, and a second housing part that can detachably hold the first housing part and is fixed to a base, wherein the outer shape of the first housing part, as viewed from the axial direction of the ball screw, has a narrow width direction due to the small distance from the axial center of the ball screw, and a wide width direction that is wider than the narrow direction, the bracket has a through hole-shaped portion in which a position corresponding to the wide direction is partially notched, and the shape of the through-hole shaped portion, as viewed from the axial direction of the ball screw, is a shape through which the first housing part can pass.
Inventors:
WATANABE KAZUHIRO (JP)
Application Number:
PCT/JP2022/003610
Publication Date:
August 03, 2023
Filing Date:
January 31, 2022
Export Citation:
Assignee:
FANUC CORP (JP)
International Classes:
F16H25/20
Foreign References:
| US20060156838A1 | 2006-07-20 | |||
| JP2019181645A | 2019-10-24 | |||
| JP2001227614A | 2001-08-24 |
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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