Title:
FALL OFF PREVENTION OF BOLT OR NAIL
Document Type and Number:
Japanese Patent JPS6469810
Kind Code:
A
Abstract:
PURPOSE: To improve the effect of rotation-prevention and fall off prevention by arranging a hole which a nail passes through in the head of a bolt or a nail.
CONSTITUTION: A hole 3 which a nail 2 passes through is arranged in the head 1 of a nail or a bolt. Therefore, after the nail or the bolt is pressed in or screwed in, rotation prevention or fall off prevention of the bolt or the nail can be ensured by pressing a nail 4 into the hole 3.
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Inventors:
KINEMUCHI KOHEI
KINEMUCHI HIDEO
KINEMUCHI HIDEO
Application Number:
JP22721687A
Publication Date:
March 15, 1989
Filing Date:
September 09, 1987
Export Citation:
Assignee:
KINEMUCHI HIDEO
KINEMUCHI KOHEI
KINEMUCHI KOHEI
International Classes:
F16B15/02; (IPC1-7): F16B15/02