Title:
締結具
Document Type and Number:
Japanese Patent JP7292127
Kind Code:
B2
Abstract:
A fastener to fasten a member to be fastened includes a shaft portion, a tool working surface, and an external operation restricting portion. The shaft portion is provided with a male thread configured to be rotated about an axis line to work so as to fasten the member to be fastened. The tool working surface is formed to a tool working portion integrated with the shaft portion. A tool to rotate the shaft portion works to the tool working surface. The external operation restricting portion is configured to restrict the rotation of the shaft portion through an operation from outside the fastener. In this fastener, the tool working surface to which the tool works is formed in an approximately cylindrical inner surface shape.
Inventors:
Masahiko Hamada
Application Number:
JP2019117778A
Publication Date:
June 16, 2023
Filing Date:
June 25, 2019
Export Citation:
Assignee:
Aoyama Manufacturing Co., Ltd.
International Classes:
F16B23/00; B60R13/10; F16B41/00
Domestic Patent References:
| JP2018048656A | ||||
| JP59037419U | ||||
| JP48019854U | ||||
| JP2012202500A | ||||
| JP53101162U | ||||
| JP2012087912A | ||||
| JP2007040456A |
Attorney, Agent or Firm:
Keiya Inoue
Hisao Hase
Yoshiyuki Mizuno
Hisao Hase
Yoshiyuki Mizuno