Title:
NUT TURN STOPPING STRUCTURE
Document Type and Number:
Japanese Patent JP2000046032
Kind Code:
A
Abstract:
To prevent a fastened nut from being loosened or removed by a burgler, etc., with a commercially available tool such as a wrench or torque wrench.
On the periphery of a nut 4, a first cylindrical cap 8 is fitted rotatably round the axis C and not capable of being drawn off in the axial direction. Also on the periphery of a holder nut 9, a second cylindrical cap 11 is fitted rotatably round the axis C and not capable of being drawn off in the axial direction. Even when one hitches a tool at these caps 8 and 11, it is not practicable to rotate the nut 4 or holder nut 9.
Inventors:
TANAKA SHOSUKE
Application Number:
JP21691398A
Publication Date:
February 15, 2000
Filing Date:
July 31, 1998
Export Citation:
Assignee:
NICHIDO DENKO KK
International Classes:
F16B39/12; F16B41/00; (IPC1-7): F16B41/00; F16B39/12
Attorney, Agent or Firm:
Koichi Suzue (1 person outside)
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