| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a joint device for a floor by which, even if right and left buildings swing by an earthquake so as to narrow a joint section, it is surely prevented that a door projecting outward cannot be opened and closed, by moving of a joint plate on one building side, provided with the door, in a substantially horizontal state. <P>SOLUTION: A joint device 1 for a floor includes: a joint plate support recess 7 formed in a lower section of a door 3 of one building 4 provided with the door 3 projected outward on an outer wall surface 2; a joint plate slide support recess 9 formed in an outside passage of the other building 6; a joint plate 11 which has a rear end section formed on an inclined surface in which an end lower section supported by the joint plate support recess 7 projects; joint plate mounting means 13 for making the rear end section of the joint plate 11 be supported; a rotary joint plate 14 which has an end section riding on the joint plate 11 when the joint section 5 is narrowed by an earthquake; and rotary joint plate mounting means 15 mounted on the other building 6. <P>COPYRIGHT: (C)2012,JPO&INPIT |
