| 摘要 |
PROBLEM TO BE SOLVED: To provide a drilling machine supporting device enabling anybody to vertically set a vertical part of a drilling machine supporting stand easily and quickly to perform a drilling work in a vertical direction accurately and efficiently. SOLUTION: This drilling machine supporting device consists of a base 1 fixed to a drilling part and an L-shaped lifting/lowering support stand 3 attached to the base 1 and supporting lifting/lowering of a drilling machine 30. The lifting/lowering support stand 3 is attached to the base 1 through elements 2, 9 held on the upper surface of the base 1 in a spherically contrapositive condition. COPYRIGHT: (C)2004,JPO
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