| 摘要 |
PROBLEM TO BE SOLVED: To reduce the total length of an anvil and a tool body while securing the fitting distance of the anvil and the metal equally to the conventional one, and to smoothly supply grease to the metal. SOLUTION: The total length of the anvil and the tool body can be reduced and the supply of grease to the metal can be smoothed by providing an oil hole of the anvil at a fixed angle to the thrust direction, not vertical. COPYRIGHT: (C)2004,JPO
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