| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve a shock absorber which is used as a front fork, a rear cushion unit or the like in a saddle riding vehicle. <P>SOLUTION: The damper 3 stored in a shock absorber body of the shock absorber includes: a cylinder 30; a piston 31 which divides the interior of the cylinder 30 into two working compartments A, B; a rod 32; a sub-tank 33 which is continuously provided on the opposite side of the rod in the cylinder 30; a free piston 35 which divides the interior of the sub-tank 33 into a liquid pool C and an air chamber D, and is biased toward the side of the liquid pool C; a through-hole 6 which is formed in the sub-tank 33 to allow the air chamber D to communicate with a reservoir chamber R. The shock absorber includes: a sealing member 4 which is formed in a circular pattern with elastic properties; a flow passage 5 which is formed in the free piston 35, and allows the liquid pool C to communicate with the air chamber D; and an annular storage groove 50 which is provided halfway through the flow passage 5, and stores the sealing member 4 therein. When the inner pressure of the liquid pool C becomes higher than a predetermined value, the sealing member 4 is deformed so as to blow a working fluid of the liquid pool C into the reservoir chamber R through the flow passage 5. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
