SEAL DEVICE
PROBLEM TO BE SOLVED: To provide a seal device which enables reduction of unevenness of surface pressure of a lip part which is exerted on an outer peripheral surface of a shaft.SOLUTION: A seal device 10 of the invention is attached to a space between an outer cylinder 50 and a shaft 70 inserted in...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a seal device which enables reduction of unevenness of surface pressure of a lip part which is exerted on an outer peripheral surface of a shaft.SOLUTION: A seal device 10 of the invention is attached to a space between an outer cylinder 50 and a shaft 70 inserted into the inner periphery side of the outer cylinder 50 in a shock absorber. The seal device 10 comprises: an outer periphery side seal 20 fixed to an inner periphery of the outer cylinder 50; and an inner periphery side seal 30 which is positioned at the inner periphery side of the outer periphery side seal 20 and slidably contacts with the shaft 70. The outer periphery side seal 20 and the inner periphery side seal 30 are connected by a connection part 40 in which at least a part thereof may elastically deform in a radial direction to cause the inner periphery side seal 30 to be displaced in the radial direction.SELECTED DRAWING: Figure 1
【課題】軸の外周面に対するリップ部の面圧の偏りを減少させることができる密封装置を提供する。【解決手段】本発明の密封装置10は、ショックアブソーバにおける外筒50と、外筒50の内周側に挿通される軸70との間に装着されるものであって、密封装置10は、外筒50の内周に固定される外周側シール20と、外周側シール20の内周側に位置するとともに、軸70と摺動自在に接触する内周側シール30とからなり、外周側シール20及び内周側シール30は、少なくとも一部が径方向に弾性変形可能な連結部40によって連結されることにより、内周側シール30が径方向変位することを特徴とする。【選択図】図1 |
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