Title:
脱落防止具
Document Type and Number:
Japanese Patent JP6784374
Kind Code:
B2
Abstract:
To provide a falling-out preventing tool which easily confirms a fastening degree.SOLUTION: A falling-out preventing tool 1 comprises a first coil spring part 2, a second coil spring part 3, and a third coil spring part 4. The second coil spring part 3 includes a second coil element wire 3A, and a first end region 3C that is a region within a predetermined range from a front end of the second coil element wire 3A is colored in a color that is different from a color of another region of the second coil element wire 3A. The third coil spring part 4 includes a third coil element wire 4A, and a second end region 4C that is a region within a predetermined range from a front end of the third coil element wire 4A is colored in a color that is different from the color of the other region of the second coil element wire 3A and a color of another region of the third coil element wire 4A. The second end region 4C of the third coil element wire 4A extends in the same direction as a direction that is substantially orthogonal to a winding radial direction of the first coil spring part 2, and the front end of the third coil element wire 4A is brought into contact with the second coil element wire 3A.SELECTED DRAWING: Figure 1
More Like This:
| WO/2001/098673 | VISUALLY DISTINCTIVE SAFETY WIRE |
Inventors:
Mayumi Soeda
Application Number:
JP2017122484A
Publication Date:
November 11, 2020
Filing Date:
June 22, 2017
Export Citation:
Assignee:
Limited company sit
Nippon Steel Tower Industry Co., Ltd.
Nippon Steel Tower Industry Co., Ltd.
International Classes:
F16B39/20
Domestic Patent References:
| JP2016156482A | ||||
| JP2006057832A | ||||
| JP2006002684A | ||||
| JP2014219093A |
Attorney, Agent or Firm:
Shuichiro Ariyoshi
Morita Yasuyuki
Tsutsui Nobuyoshi
Satoko Endo
Keita Kajiwara
Morita Yasuyuki
Tsutsui Nobuyoshi
Satoko Endo
Keita Kajiwara