Patent ID: 8186517

Claim:
A pump for use with a fluid circulation system, comprising: (a) a strainer housing having an inner surface which defines a cavity for receiving a strainer; (b) a housing cover adapted to be removably mounted with respect to the strainer housing for forming a seal with respect to the strainer housing, the housing cover including a pair of opposed handles; (c) at least three ramped cam members formed with respect to an outer surface of the strainer housing, the cam members being adapted to correspond to cooperating cam members formed along an inner surface of the strainer housing cover; and (d) at least three cooperating ramped cam members formed with respect to an inner surface of housing cover, the cooperating ramped cam members associated with the housing cover being configured and dimensioned for camming interaction with the ramped cam members associated with the strainer housing, wherein at least one of the cam members associated with the housing cover defines a positioning notch and the strainer housing defines at least one positioning tab that is configured and dimensioned to interact with the positioning notch.