Title:
NUT LOOSENESS PREVENTION TOOL AND NUT
Document Type and Number:
Japanese Patent JP2023104855
Kind Code:
A
Abstract:
To reliably prevent a nut from loosening and falling under a condition where impact, vibration or the like continues intermittently.SOLUTION: A nut looseness prevention device 5 comprises a plurality of nuts 6 each of which is screwed onto a bolt 2 protruding from a rotary hub 1 to mount a rotor 3 on the rotary hub 1, and a binding band 11 wound around the plurality of nuts 6. An engagement groove 10 extending along a nut rotation direction is formed in a side peripheral surface of each nut 6. Under fastening, the binding band 11 is squeezed in a loop manner so that a band part 12 of the binding band 11 is fitted into the engagement groove 10 of each nut 6 arranged at equal intervals along a circumferential direction with respect to a rotation center of the rotor 3.SELECTED DRAWING: Figure 4
Inventors:
MISHIMA KATSUMI
NAKAMURA YOSHINORI
NAKAMURA YOSHINORI
Application Number:
JP2022113667A
Publication Date:
July 28, 2023
Filing Date:
July 15, 2022
Export Citation:
Assignee:
TIRE SERVICE CENTER CO LTD
EIWA ELECTRIC CO LTD
EIWA ELECTRIC CO LTD
International Classes:
F16B39/10; B60B3/16; B60B37/04; F16B39/20
Attorney, Agent or Firm:
Patent Attorney Corporation Ishii Patent Office