Patent ID: 9022431
Filing Date: 2015-05-05
Classification: F16L,Y10T

Abstract:
1. A fitting for coupling to a pipe, the fitting comprising: a housing; a connecting cylinder at least partially disposed in said housing, the connecting cylinder being sealingly mounted in said housing, said cylinder having a portion of reduced diameter with an annular groove defining a sloping shoulder; said cylinder further comprising at least one sealing element receiving groove defined about an outside surface of said connecting cylinder, said sealing element receiving groove receiving a sealing element for sealing engagement with an interior wall of a pipe; a pipe fastening element defining an annular pipe receiving recess, said pipe fastening element rotatably mounted about said reduced diameter portion of said connecting cylinder and about said annular groove, for selectively engaging a pipe during a quick connect action; and said pipe fastening element further defining a flexible pipe engaging portion configured to move in and out of said annular groove and selectively engage an interior wall of the pipe when said pipe engaging portion slides along said sloping shoulder and permitting removal of the pipe from the fitting by relative rotational motion between the pipe and said pipe fastening element.