Lubricant and dust seal configuration
    51.
    发明授权
    Lubricant and dust seal configuration 失效
    润滑剂和密封配置

    公开(公告)号:US3552809A

    公开(公告)日:1971-01-05

    申请号:US3552809D

    申请日:1969-01-29

    Applicant: OWENS MFG INC

    Inventor: OWENS BILLY E

    CPC classification number: F16C33/76 F16C13/022 F16C19/364 F16C33/80

    Abstract: A SEAL FOR THE BEARING OF A ROTATING MEMBER IS DESCRIBED. THE SEAL IS DESIGNED TO GREATLY INHIBIT THE INGRESS OF FOREIGN MATTER FROM WITHOUT AND THE EGRESS OF LUBRICANT FROM WITHIN. THE FACING BETWEEN THE ROTATING AND NONROTATING MEMBERS IS FORMED IN A LABYRINTH TO SUBSTANTIALLY INCREASE THE LENGTH OF THE PATH FOREIGN MATTER MUST TRAVEL BEFORE REACHING AN ELASTIC SEAL, ACTION OF THE SEAL GREATLY INHIBITS THE FURTHER TRAVEL OF ANY FOREIGN MATTER AND ALSO PREVENTS LEAKAGE OF THE LUBRICATING SUBSTANCE. A UNIQUE CONFIGURATION OF THE LABYRINTH EMPLOYS THE LAWS OF CENTRIFUGAL FORCE TO FURTHER PROTECT AGAINST THE ENTRANCE OF FOREIGN MATTER. THE CONFIGURATION OF THE ELASTIC SEAL SUBSTANTIALLY REDUCES FRICTION AND THEREBY INCREASES EFFCIENCY, RELAIBILITY, AND USEFULNESS OF UNIT CONTAINING THE INVENTIVE SEAL.

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