| 摘要 |
PROBLEM TO BE SOLVED: To provide a block easily assembled with a rod aligned without the need for machining. SOLUTION: The block 3 comprises a joint 1 and a connection hole 2 provided at the center of the upper part of an outside wall 4 and at the center of the upper part of an inside wall 5, respectively, and a groove 6 provided in the lower part of the inside wall 5 for storing the front end of the rod while leaving one face. COPYRIGHT: (C)2008,JPO&INPIT
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