| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wrench and a spanner that keep a hold on a nut without using a finger in a narrow space where only the wrench or the spanner can be inserted, in order to solve the problem when the nut is tightened by the wrench or the spanner, the nut is held by the fingers so as not to come off when opened. <P>SOLUTION: On both sides of the wrench or the spanner, clampers 2 are installed in a slidable manner so as to prevent the nut from coming off or being removed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
