| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a joint device for a floor capable of smoothly moving a joint plate having weight in an earthquake, by surely preventing an addition of a large load or damaging to an engaging pin for supporting the joint plate, in the joint plate used in a vehicle traveling place.SOLUTION: The joint device for a floor is constituted of a joint plate slide support recess 5 formed on a floor surface on the joint part side of one floor skeleton 3, a joint plate support recess 7 formed on the floor surface on the joint part side of the other floor skeleton, a joint plate 9 provided in this joint plate support recess, at least a pair of engaging cylinders 13 fixed to the joint part side of the other floor skeleton so that an upper surface is positioned in a lower part than an inner bottom surface of the joint plate support recess of the other floor skeleton 3 and at least a pair of engaging pieces 14 provided on a bottom surface near a rear end part of the joint plate.</p> |
