Title:
継ぎ棒のロック構造
Document Type and Number:
Japanese Patent JP7402512
Kind Code:
B2
Abstract:
To provide a lock nut capable of preventing a connection state of a pair of rod materials from being released in an undesired manner, and a lock structure of a joint rod using the lock nut.SOLUTION: A lock nut 50 is composed of a first nut 52 having a first female screw 56 formed on the inner surface and a first male screw 58 formed on the outer surface, and a second nut 54 having a second female screw 62 formed on the inner surface to screw with the first male screw 58. Then, the first female screw 56 of the first nut 52 is screwed into a rod material side male screw 24 formed at the end part of one rod material 12 of a pair of rod materials 12, 14 constituting a joint rod 10.SELECTED DRAWING: Figure 4
Inventors:
Kazunori Ohkubo
Kazuki Terano
Kazuki Terano
Application Number:
JP2020032000A
Publication Date:
December 21, 2023
Filing Date:
February 27, 2020
Export Citation:
Assignee:
Daito Denki Co., Ltd.
International Classes:
F16B39/18
Domestic Patent References:
| JP2000199506A | ||||
| JP61201912A |
Attorney, Agent or Firm:
Yuji Tada