FASTENING FOR CORE DRILL AUXILIARY

摘要

PROBLEM TO BE SOLVED: To provide a fastening for core drill auxiliary, which is excellent in terms of sound insulation, dust control and waterproof, and allows an efficient operation. SOLUTION: A fastening 64 for an auxiliary 60 is composed of a pole 92 and an arm 94. The pole 92 is made to be stretchy and urged expanding way by contraction. The arm 94 supports the auxiliary 60 on one end while being supported rotatively on the other end by the pole 92. COPYRIGHT: (C)2005,JPO&NCIPI