| 摘要 |
PROBLEM TO BE SOLVED: To provide an ejector pin removably attached to an ejector plate at a low cost. SOLUTION: The ejector pin 1 is provided with a pin main body 4 having one end 2 and the other end 3, a bolt-shaped base member 5, and a holder 6 installed on the base member 5 and free removably holding the one end 2 or the other end 3 of the pin main body 4. The holder 6 is equipped with split nails 61 divided into four by incising the sleeve 53, a thread part 54 formed on the outer peripheral surface of the sleeve 53, and a fastening nut 62 screwed on the thread part 54. when the pin main body 4 breaks or wears in excess of the service limit, the pin main body 4 can easily be replaced. COPYRIGHT: (C)2008,JPO&INPIT
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