专利名称：Seal ring retainer发明人：John W. Aaron, III申请号：US09578939申请日：20000525公开号：US06454316B1公开日：20020924
专利附图：
摘要：A seal retaining system for retaining a seal ring in a pipe coupling, wherein aplurality of seal ring retainers are connected to a flange around the periphery of a sealseat and wherein the retainers can be moved from an open position in which a seal ringcan be placed on or removed from the seal seat to a closed position in which the seal ring
is retained in position on the seal seat. In one embodiment, each retainer comprises arotatable cam having a lip which extends generally around the circumference of the cam,but is truncated on one side. When the truncated portion faces the seal seat, the seal ringcan be installed or removed. When the truncated portion faces away from the seal seat,the seal ring is held in position on the seal seat. The cams may be attached with boltsthat can be sheared off if the cams are frozen in position.
申请人：SPECIALTY PIPING COMPONENTS, INC.
代理机构：Gray Cary Ware and Freidenrich
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