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公开(公告)号：US3584886A
公开(公告)日：1971-06-15
申请号：US3584886D
申请日：1969-04-30
Applicant: CATERPILLAR TRACTOR CO
Inventor： SIMPSON FRED E , KIRCHGESSNER EDWIN M , KUPFERT BERNARD F
CPC classification number: F16J15/344
Abstract: A seal having a ramped member fixed within a counterbore in a nonrotatable member and a ramped ring separated from and supported relative to the fixed member by a torus. A sealing band on the ramped ring cooperates with a similar band on a ring fixed on a shoulder of a rotating member.
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