Title:
WASHER AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2017009064
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a washer capable of improving material yield.SOLUTION: A washer includes: an inner peripheral surface 11 formed into a circular arc shape; an outer peripheral surface 12 formed into the circular arc shape concentric with the inner peripheral surface 11 outside the inner peripheral surface 11 in a radial direction; two end surfaces (left end surface 13L and right end surface 13R) connecting both end parts of the inner peripheral surface 11 and both end parts of the outer peripheral surface 12 respectively; two inner peripheral side cutout parts (left-inner peripheral side cutout part 14L and right-inner peripheral side cutout part 14R) formed from the inner peripheral surface 11 to the end surfaces; and two outer peripheral side cutout parts (left-outer peripheral side cutout part 15L and right-outer peripheral side cutout part 15R) formed at positions corresponding to the inner peripheral side cutout parts on the outer peripheral surface 12.SELECTED DRAWING: Figure 4
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Inventors:
UEDA TAKEHITO
OCHIAI YOICHI
OCHIAI YOICHI
Application Number:
JP2015126214A
Publication Date:
January 12, 2017
Filing Date:
June 24, 2015
Export Citation:
Assignee:
TAIHO KOGYO CO LTD
International Classes:
F16C17/04
Domestic Patent References:
| JP2004019800A | 2004-01-22 | |||
| JPS5498947U | 1979-07-12 | |||
| JPH01104425U | 1989-07-14 | |||
| JPS5764423A | 1982-04-19 | |||
| JPH07164069A | 1995-06-27 | |||
| JPS64715U | 1989-01-05 | |||
| JPS57165824U | 1982-10-19 | |||
| JPH0488718U | 1992-07-31 |
Foreign References:
| WO2007143987A1 | 2007-12-21 |
Attorney, Agent or Firm:
Toyohiko Nagata
Takafumi Hidefumi
Takafumi Hidefumi