Patent ID: 9541228
Date: 2017-01-10
CPC Classifications: F16L

Claim:
1. A push-to-connect fluid fitting comprising: a housing for receiving a fluid conduit, said housing having an annular shoulder at one end and a lip at an opposite end; a generally cylindrical first cartridge having an internal annular groove and are outer annular groove, said first cartridge positioned in said housing; an O-ring positioned within said internal annular groove to provide seal with a fluid conduit; a second O-ring positioned within said outer annular groove to provide a seal between said first cartridge and said housing; a gripping ring positioned in said housing adjacent and in contact with said first cartridge, said gripping ring having inwardly projecting annularly spaced tines for gripping and holding a fluid conduit inserted into said housing past said gripping ring; and a second generally cylindrical cartridge positioned in said housing adjacent said gripping ring on a side opposite said first cartridge, wherein said annular shoulder engages said first cartridge and said lip engages said second cartridge for holding said first and second cartridges and said gripping ring together with said first cartridge seated against said annular shoulder of said housing.