鳥害防止具

Japanese Patent JP7147579

B2

To provide a bird damage prevention tool capable of easily passing a space between one set of edge lines.SOLUTION: A bird damage prevention tool 10 comprises: a tubular member 11 extending in a straight manner; a plurality of branched members 12, 13, 14 which are provided in a multi-step in an axial direction of the tubular member 11, and protrude radially from a periphery of the tubular member 11; a main shaft member 15 which is arranged inside of the tubular member 11 so as to be inserted thereinto; and a plurality of branch rods 16 whose base end parts are fixed to a periphery of the main shaft member 15, and whose tip end parts can protrude so as to freely advance and retreat in a state of being inclined downward in a peripheral direction from tip end edges of the branched members 12, 13, 14. In a state in which the main shaft member 15 with the plurality of branch rods 16 is moved toward the base end part side of the tubular member 11, a virtual circle connecting tip end edges of the plurality of branch rods 16 are increased in a diameter, and in a state in which the main shaft member 15 with the plurality of branch rods 16 is moved toward the tip end part side of the tubular member 11, the virtual circle connecting tip end edges of the plurality of branch rods 16 can be reduced in a diameter.SELECTED DRAWING: Figure 1

JP2003111259	CABLE INJURY PREVENTIVE TOOL FOR PROTECTING CABLE FROM BIRD, INSECT AND ANIMAL
JP11155463	ELECTRIC SHOCK-TYPE DEVICE FOR PREVENTING COMING FLYING OF BIRD AND FIXED UTENSIL TO BE USED THEREIN
JPH11313596	REPELLING SYSTEM

Hiroyuki Moriyama

JP2019007096A

October 05, 2022

January 18, 2019

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Chugoku Electric Power Co., Inc.

A01M29/32; H02G1/02; H02G7/00

JP2014158445A
JP201210675A
JP2014117269A

US20030182876

Masayuki Masabayashi
Hayashi Kazuyoshi

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