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公开(公告)号：US2505450A
公开(公告)日：1950-04-25
申请号：US65583846
申请日：1946-03-20
Applicant: LILA A WEMP DETROIT , ELEANOR MAY WEMP , LEAH K SMITH , CLYDE J SMITH
Inventor： WEMP ERNEST E
CPC classification number: F16D47/02 , F16D21/06 , F16H61/0262 , F16H2708/06 , Y10T74/19228 , Y10T74/19433
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