Title:
STUB SHAFT, POWER TRANSMISSION SHAFT, AND METHOD FOR MANUFACTURING STUB SHAFT
Document Type and Number:
WIPO Patent Application WO/2022/059385
Kind Code:
A1
Abstract:
In this stub shaft, a shaft section connected to a flange section has a first outer-diameter part and a second outer-diameter part having a diameter smaller than the first outer-diameter part, and when, in a cross-section passing through a rotation axis, a part which overlaps with the surface between the shaft section and an imaginary-line flange section which forms a 45 degree angle with respect to the rotation axis is defined as a boundary part and the direction along the rotation axis is defined as X-axis direction, a heat-hardened section is disposed closer to the shaft section than the boundary part in the X-axis direction.
Inventors:
AKITA YASUSHI (JP)
ISHIKURA KENICHIRO (JP)
ISHIKURA KENICHIRO (JP)
Application Number:
PCT/JP2021/029489
Publication Date:
March 24, 2022
Filing Date:
August 10, 2021
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
C21D9/28; F16C3/02
Foreign References:
| JPH10267027A | 1998-10-06 | |||
| JP2007315463A | 2007-12-06 | |||
| JP2002275538A | 2002-09-25 | |||
| JP2009079689A | 2009-04-16 | |||
| JP2020063784A | 2020-04-23 | |||
| JP2001315539A | 2001-11-13 | |||
| JP2018115704A | 2018-07-26 |
Attorney, Agent or Firm:
YAMAMOTO, Osamu et al. (JP)
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