| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent small animal invasion from a lower part of a door for opening and closing a vehicle entrance arranged on an entrance prevention fence for dividing an automobile road ground boundary. <P>SOLUTION: The structure for preventing small animal invasion includes a door that swings around a revolving shaft as the center extending in the vertical direction in the vehicle entrance arranged on the entrance prevention fence for dividing the automobile road ground boundary and opens and closes the vehicle entrance, a sheet body that is made of an elastic material and mounted on the whole length of the lower edge of the door, and an undulation part that is extended on a parallel with the lower edge in a state in which the door closes the vehicle entrance and is placed on the ground in an arrangement to cross the vehicle entrance. The vertical length in a state in which the sheet body is attached to the door is shorter than the interval from the lower edge of the door to the ground, longer than the interval from the lower edge of the door to the ridge line of the undulation part, and the height of the ridge line of the undulation part from the ground is lower than the minimum ground clearance of a vehicle going through the vehicle entrance. <P>COPYRIGHT: (C)2013,JPO&INPIT |
