| 摘要 |
PROBLEM TO BE SOLVED: To provide a gate for preventing the entry of a bicycle and a motorcycle which can solve a problem as much as possible that a park premise which can be called a relaxation place for ordinary citizen is occupied as a parking lot for motorcycles and bicycles by the amendment of regulations for the promotion of the enhancement of measures against illegal parking because of a revision of the Road Traffic Law in June, 2006, that this is caused by the small number of installed parking lots devoted solely for motorcycles and bicycles, and that the ordinary park premise has to cease to be used as an alternative to a parking lot for motorcycles and bicycles. SOLUTION: A cylindrical gate is provided at the center of a circular gate which forms the prevention gate, and a passage zone of the gate is formed in a shape of a curve. Thus, the installation of the prevention gate at the entrance of a park or the like prevents the entry of bicycles and motorcycles into the part or the like because both of the curve-shaped side walls of the passage zone become obstacles. COPYRIGHT: (C)2009,JPO&INPIT
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