| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a hydraulic cylinder capable of optionally carrying out and stopping a shock absorbing mechanism by means of accumulator arranged in a cylinder rod. <P>SOLUTION: The accumulator 30 in the hydraulic cylinder 1 comprises at least an accumulator piston 33 partitioned into first and second cylinder rod chambers 31 and 32 in the cylinder rod 6, a gas body 34 fulled in the second cylinder rod chamber 32 in an airtight state, and an accumulator port 22 which communicates with the first cylinder rod chamber 31 and makes operating oil flow into the first cylinder rod chamber 31 from the outside. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
