| 摘要 |
PURPOSE:To easily mount and remove a bush, by forming a tapered part on the peripheral surface of the bush while a tapered-hole part, fitted to the above described tapered part, in a through hole of a bush holder. CONSTITUTION:A bush holder 4 forms a tapered-hole part 7, while a bush 8 forms on its peripheral surface a tapered part 9 fitted to the tapered-hole part 7. The bush 8 is inserted into the tapered-hole part 7, and both the bush holder and bush are fixed only by lightly tapping an end part of the bush 8. While the bush 8 can be extracted from the bush holder 4 only by lightly tap ping an end part in the side of a guide part 10 of the bush 8. Accordingly, replacement work of the bush 8 can be very efficiently performed.
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