Title:
FASTENING MEMBER
Document Type and Number:
WIPO Patent Application WO/2020/166462
Kind Code:
A1
Abstract:
The present invention prevents loosening by: a fastening member comprising a bolt, which has a head and a screw shaft, and a spring washer through which the screw shaft can be inserted and through which the head cannot be inserted, the head and the spring washer being capable of engaging with each other; and a fastening member comprising a nut and a spring washer into which the screw shaft screwed into the nut can be inserted and through which the nut cannot be inserted, the nut and the spring washer being capable of engaging with each other.
Inventors:
MATSUNAGA KOICHI (JP)
Application Number:
PCT/JP2020/004441
Publication Date:
August 20, 2020
Filing Date:
February 06, 2020
Export Citation:
Assignee:
MATSUNAGA KOICHI (JP)
International Classes:
F16B39/24; F16B39/26
Foreign References:
| JPS55147522U | 1980-10-23 | |||
| CN208106948U | 2018-11-16 | |||
| JPH0718018U | 1995-03-31 | |||
| JPS5493663U | 1979-07-03 |
Attorney, Agent or Firm:
FUKUMOTO Masahiko (JP)
Download PDF: