SEALING MEMBER AND FLUID PRESSURE DEVICE PROVIDED THEREWITH
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United States of America Patent
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app pub date -
Nov 4, 2015
filing date -
Nov 19, 2014
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Abstract
Providing a sealing member which can successfully scrape off foreign substances and prevent failure caused by incorporation of foreign substances. A dust seal serving as a sealing member includes a dust seal body and a lip member. The dust seal body has a predetermined elasticity and is retained in an opening of an outer tube into which an inner tube reciprocated in a projected state is inserted. The lip member is harder than the dust seal body and is attached to a distal end of the dust seal body. The lip member has a distal end which is brought into sliding contact with an outer peripheral surface of the inner tube.
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