发明名称 Hydraulic cylinder
摘要 In a hydraulic cylinder having a shock absorbing function, and capable of stopping as desired by an accumulator disposed within a cylinder rod. The accumulator includes an accumulator piston that divides the cylinder rod interior into first and second cylinder rod chambers, gas hermetically charged into the second cylinder rod chamber, and an accumulation port that is communicated with the first cylinder rod chamber and flows the operating oil from outside into the first cylinder rod chamber.
申请公布号 US7121089(B2) 申请公布日期 2006.10.17
申请号 US20040972386 申请日期 2004.10.26
申请人 KOMATSU ZENOAH CO. 发明人 TOSEN MASAHIRO;FUTAMI TATSUYA;KANEMARU KENJI;YAMAMOTO YOSHIAKI
分类号 E02F9/22;F15B1/02;F15B1/24;F15B15/02;F15B15/14;F15B21/04 主分类号 E02F9/22
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