Title:
CO-ROTATION PREVENTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/142819
Kind Code:
A1
Abstract:
[Problem] To provide a co-rotation preventing device which has a simplified structure and which can be handled easily. [Solution] This co-rotation preventing device (A1) has: a first fitting section (2) into which a bolt head can be fitted; a second fitting section (3) which communicates with the first fitting section (2) in a z-direction and into which a section to be fastened is fitted; and an insertion groove (4) which communicates with the second fitting section (3) in the z-direction and into which a bolt shaft can be inserted. Each of the first fitting section (2), the second fitting section (3), and the insertion groove (4) extends in an x-direction perpendicular to (intersecting) the z-direction, and is open to an end section in the x-direction. The insertion groove (4) has a slit-like shape having an open end (41) at an end section in the z-direction.
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Inventors:
SUGITA SHOICHI (JP)
Application Number:
PCT/JP2019/001079
Publication Date:
July 25, 2019
Filing Date:
January 16, 2019
Export Citation:
Assignee:
NISSHO ASTEC CO LTD (JP)
International Classes:
B25B13/00; F16B35/04; F16B37/04; F16L23/036
Foreign References:
| JP2006315167A | 2006-11-24 | |||
| JP3176124U | 2012-06-14 | |||
| JPS5237399U | 1977-03-16 | |||
| US5954466A | 1999-09-21 | |||
| JP2003191171A | 2003-07-08 | |||
| JPS62201670U | 1987-12-22 | |||
| JPS5377257U | 1978-06-27 | |||
| US20020194966A1 | 2002-12-26 |
Attorney, Agent or Firm:
YOSHIDA Minoru et al. (JP)
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