THEFT PREVENTION BOLT - AOYAMA SEISAKUSHO

Title:

THEFT PREVENTION BOLT

Document Type and Number:

Japanese Patent JP2018048656

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a theft prevention bolt that can be tightened by using a general tool without generating a waste without impairing appearance.SOLUTION: A theft prevention bolt includes: a shank 2 formed with a body male screw part 4; and a head part 3 continuing to the shank 2. The head part 3 has a bag-shaped female screw part 5. The head part 3 preferably has a taper shape where the lateral face thereof inclines so as to extend in a direction of the shank 2.SELECTED DRAWING: Figure 1

Inventors:

HAMADA MASAHIKO
FUJIMOTO TAKANORI

Application Number:

JP2016182517A

Publication Date:

March 29, 2018

Filing Date:

September 20, 2016

Export Citation:

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Assignee:

AOYAMA SEISAKUSHO

International Classes:

F16B23/00; F16B41/00

Attorney, Agent or Firm:

Patent Business Corporation Najima Patent Office

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