Title:
DOUBLING PLATE FOR FRICTIONAL JOINING
Document Type and Number:
Japanese Patent JP2023113399
Kind Code:
A
Abstract:
To provide a doubling plate for frictional joining capable of enabling fastening from one direction by a torque shear wrench and dispensing with a nut.SOLUTION: A doubling plate 11 is used in frictional joining with a bolt while being superposed on a member to be joined 10, by using a bolt which has a shape with a torque shear stud-type fracture groove and a pin tail, and on which a male screw 21 of left-hand thread is formed on one of half parts of the bolt, a male screw 23 of right-hand thread is formed on the pin tail-side half part, and a nut 22 is engaged with the male screw 23 of right-hand thread, as a stud bolt. The doubling plate is disposed below the member to be joined 10, enables fastening from one side by being provided with a female screw 11A of left-hand thread to be engaged with the male screw 21 of left-hand thread of the bolt, and provides a function as a nut of large width across flat.SELECTED DRAWING: Figure 1
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Inventors:
HAMANAKA SHIGENOBU
HAMANAKA KEISHI
KATSUKI MANABU
HAMANAKA KEISHI
KATSUKI MANABU
Application Number:
JP2022015741A
Publication Date:
August 16, 2023
Filing Date:
February 03, 2022
Export Citation:
Assignee:
HAMANAKA NUT CO LTD
International Classes:
F16B35/00; F16B5/02; F16B31/02
Attorney, Agent or Firm:
Hisao Ishii
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