Title:
FASTENING TORQUE MANAGEMENT TOOL AND COMBINATION OF FASTENING TORQUE MANAGEMENT TOOL AND FASTENER
Document Type and Number:
Japanese Patent JP2019078339
Kind Code:
A
Abstract:
To provide a novel fastening torque management tool capable of fastening not only a bolt but also a nut with predetermined torque, and provide novel combination of the fastening torque management tool and a fastener.SOLUTION: A fastening torque management tool comprises: a first member 4 comprising an installation part 8 and a fastener housing part 10 continuously connected to the installation part; and a second member 6 having a fastening torque addition part 25 and screwed into the first member in a releasable manner. In the fastener housing part, a regular-polygonal housing hole 18 is formed, wherein the housing hole may be fitted to a torque addition regular-polygonal outer peripheral surface of a fastener 30 of which a free end part is opened and an inner peripheral surface is formed with a normal female screw or normal male screw. On an outer peripheral surface of the installation part in the first member, a reverse male screw 12 is formed, and on an inner peripheral surface of the second member, a reverse female 26 screwed to the reverse male screw is formed. Screwing the reverse male screw and the reverse female screw screws the second member to the first member.SELECTED DRAWING: Figure 7
More Like This:
Inventors:
UENO HIROTOSHI
AIKAWA TAKAYUKI
AIKAWA TAKAYUKI
Application Number:
JP2017205957A
Publication Date:
May 23, 2019
Filing Date:
October 25, 2017
Export Citation:
Assignee:
NIPPON CLOSURES CO LTD
International Classes:
F16B31/02
Attorney, Agent or Firm:
Naozumi Ono
Sachiko Okunuki
Toshiyuki Kojima
Sachiko Okunuki
Toshiyuki Kojima