Title:
連結装置
Document Type and Number:
Japanese Patent JP7288516
Kind Code:
B2
Abstract:
A coupling device (first coupling device 56a) comprises: a shackle body 100 having a curved portion 110 and a pair of extending portions 112 extending from both ends of the curved portion 110; and a guide plate 106 that forms a guide surface 138 that intersects the shackle body 100 on the thickness direction side of the curved portion 110, the thickness direction being a direction penetrating the inner space surrounded by the curved portion 110 and the extending portions 112. As a result, the movement of a hook 52 along the length of the shackle body 100 is restricted, twisting of a chain, etc. connected to the hook 52 is suppressed, and the chain, etc. can be prevented from breaking.
Inventors:
Tomoyuki Tanaka
Application Number:
JP2021553419A
Publication Date:
June 07, 2023
Filing Date:
October 19, 2020
Export Citation:
Assignee:
Ihi Paul Worth Co., Ltd.
International Classes:
F16G15/06; F16B45/04
Domestic Patent References:
| JP2001208033A | ||||
| JP58119646U |
Foreign References:
| US6282879 | ||||
| KR1020190111556A |
Attorney, Agent or Firm:
Aomi International Patent Office