Title:
締付対象物の共回り抑制構造
Document Type and Number:
Japanese Patent JP7278690
Kind Code:
B2
Abstract:
To provide a corotation suppression structure for a fastening object, capable of suppressing corotation of the fastening object with a bolt.SOLUTION: A bolt hole 11 is formed in a valve body 1. The bolt hole 11 opens on the surface of the valve body 1 (upper body 2), and the inside and outside do not communicate with each other except for the opening. A groove 31 extending from the bolt hole 12 is formed on the surface of the valve body 1. The groove 31 is recessed from the surface of the upper body 2 in a substantially semicircular cross section, and extends to the outside of a region on the surface of the valve body 1 where a first insertion part 22 of a clamp 21 contacts.SELECTED DRAWING: Figure 4
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Inventors:
Hitoshi Nishioka
Application Number:
JP2019122412A
Publication Date:
May 22, 2023
Filing Date:
June 28, 2019
Export Citation:
Assignee:
Daihatsu Motor Co., Ltd.
International Classes:
F16K27/00; F16B39/282
Domestic Patent References:
| JP10047480A | ||||
| JP2005014112A | ||||
| JP2010202099A |
Foreign References:
| WO2016208185A1 | ||||
| EP0994275A1 |
Attorney, Agent or Firm:
Yuichi Minagawa
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