| 摘要 |
PROBLEM TO BE SOLVED: To provide an entry preventing device capable of preventing deforma tion and breakage of the device even when it is subjected to the force exceeding a limit in the state of being set to prevent entry, and preventing the road sur face to which the device is fixed from being separated together with the bed of the device. SOLUTION: An entry preventing member 2 and a support member 3 are fitted to a bed member 1 to be tiltable backward. The support member 3 is energized in the direction touching the receiving member 2. The support member 3 is provided with an engagement hole 30, and an insert hole is provided in a movable strut 20 of the entry preventing member 2. A fragile clasp member 4 is mounted between the engagement hole 30 and the insert hole, thereby fixing the support member 3 and the receiving member 2.
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