| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a ceiling suspending type vibration-isolating tool capable being compact in size by a small number of constituent members and facilitating the height and horizontal adjustment of a suspended body by using coil springs considering its safety factor. <P>SOLUTION: The ceiling suspending type vibration-isolating tool includes a housing 10 formed of an upper mounting section 11 for mounting an upper suspending bolt 4 suspended from a ceiling side, a lower mounting section 12 for mounting a lower suspending bolt 5 that suspends the suspended body, and a vertical section 13 for connecting the upper mounting section and the lower mounting section; an upper rubber seat 20 mounted to the upper mounting section and having a through-hole 20a; a coil spring 30 where one end is installed on the upper rubber seat 20; a lower rubber seat 40 with a washer installed on the other end of the coil spring and having a through-hole 40a; and fixed nuts 50a, 50b engaged with a pointed head screw 4a of the upper suspending bolt that penetrates the upper rubber seat, the coil spring, and the lower rubber seat with a washer. A vertically-longer window hole 60 capable of visually confirming the position of the lower rubber seat with a washer is arranged on the vertical section of the housing, and graduations 70 for confirming an applied load are formed on an opening edge in the vertical direction of the vertically longer window hole. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
