发明名称 |
TIGHTENING DEVICE AND PROTECTIVE FENCE FOR VEHICLE |
摘要 |
PROBLEM TO BE SOLVED: To provide a tightening device with a loosening prevention mechanism capable of dispensing with a welding machine and preventing the loosening of a rotary tightening device easily and quickly. SOLUTION: This tightening device T with the loosening prevention mechanism is provided with a bolt 11, an engaging member 12 mounted to the bolt 11 so as to prevent relative rotation, a slip-off prevention member 13 for preventing the slip-off of the engaging member 12, and a rotation prevention member 14 for preventing the rotation of at least either of the engaging member 12 and the slip-off prevention member 13. The rotation prevention member 14 has a rotation regulation part 12b positioned on an inner side of a rotation locus of at least either of the engaging member 12 and the slip-off prevention member 13. The slip-off prevention member 13 has a washer 13a tightened to the rotation prevention member 14 with the bolt 11 and a rising part 13b erected on the washer part 13a. The slip-off of the engaging member 12 from the bolt 11 is prevented by locking the engaging member 12 by the rising part 13b. COPYRIGHT: (C)2007,JPO&INPIT
|
申请公布号 |
JP2007146881(A) |
申请公布日期 |
2007.06.14 |
申请号 |
JP20050338434 |
申请日期 |
2005.11.24 |
申请人 |
SUMIKEI-NIKKEI ENGINEERING CO LTD |
发明人 |
TAKADO OSAMU;MIKAMI SATOSHI;HAGIWARA MICHIHIKO |
分类号 |
F16B39/10;E01F15/04;F16B39/24 |
主分类号 |
F16B39/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|