发明名称 PIN AND BEARING DEVICE
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a pin and a bearing device using the pin, which are advantageous in strength because the pin is quenchable upto the vicinity of a collar in the pin for connecting components of a working machine. <P>SOLUTION: The locking collar 14 provided at the end of the pin 1 is formed in tapered shape 24a gradually reduced in diameter on the pin body part 1b side. A quenched part 4 of the pin 1 is provided up to the tapered part 14a of the pin or its vicinity. The bearing device is constituted of the quenched part 4 facing almost the whole inner surface region of a pinhole on the collar side of a bracket. <P>COPYRIGHT: (C)2007,JPO&INPIT</p>
申请公布号 JP2007046750(A) 申请公布日期 2007.02.22
申请号 JP20050233821 申请日期 2005.08.11
申请人 HITACHI CONSTR MACH CO LTD 发明人 IIHAMA TOMOATSU;NAKAYAMA YOSHI;ITSUKIDA OSAMU;SUZUKI HIROSHI
分类号 F16C11/04;E02F9/00 主分类号 F16C11/04
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