| 摘要 |
A rotary shock absorber is provided that the damping force can be controlled according to the rotation and the rotation available range of the shock absorber is improved. A rotary shock absorber comprises an outer tube top part(10) in which the rib(12) is formed in inside in order to generate the fluid pressure, an outer tube bottom part(20) which is arranged to be counterpoised to the bottom of the outer tube top part, a rotation shaft part(30) in which the orifice(33) is formed in the wing portion(31), a variable moving unit which the size of orifice changes with the rotation of the rotation axis, diversifies magnet.
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