Title:
ROBOT, MOTOR UNIT, AND COUPLING UNIT
Document Type and Number:
WIPO Patent Application WO/2018/055682
Kind Code:
A1
Abstract:
The present invention comprises: a ball screw (3) having a rotatable screw shaft (31); a moving body (32) that screws on to the screw shaft (31) and moves in conjunction with the rotation of the screw shaft (31); a motor (2) having a rotatable output shaft (21) and rotating the output shaft (21); a shaft (41) having a first hole (421) and a second hole (422) that are lined up in a thrust direction and positioning a shaft end (31b) of the screw shaft (31) fitted into the first hole (421) and a shaft end (31b) of the output shaft (21) fitted into the second hole (422), in the radial direction, relative to each other, said first hole (421) having a shape conforming to the shape of the shaft end (31b) of the screw shaft (31) and opening to one side in the thrust direction, and said second hole (422) having a shape conforming to the shaft end (31b) of the output shaft (21) and opening to the other side opposite to the one side in the thrust direction; a first fixing section (43) that fixes the screw shaft (31), having the shaft end (31b) thereof fitted into the first hole (421), to the shaft (41); and a second fixing section (45) that fixes the output shaft (21), having the shaft end thereof fitted into the second hole (422), to the shaft (41).
Inventors:
KAWATA KOUJI (JP)
MURAMATSU HIROKATSU (JP)
KAWAUCHI MOTONORI (JP)
SEGAWA SUGURU (JP)
NISHIKAWA MASAKI (JP)
MURAMATSU HIROKATSU (JP)
KAWAUCHI MOTONORI (JP)
SEGAWA SUGURU (JP)
NISHIKAWA MASAKI (JP)
Application Number:
PCT/JP2016/077773
Publication Date:
March 29, 2018
Filing Date:
September 21, 2016
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD (JP)
International Classes:
F16H25/20; F16D1/02
Foreign References:
| JPH1078098A | 1998-03-24 | |||
| JPH01193139A | 1989-08-03 | |||
| JPS6139054U | 1986-03-12 | |||
| JPS5924558U | 1984-02-15 |
Attorney, Agent or Firm:
FURIKADO, Shoichi et al. (JP)
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