Patent ID: 6607179
Filing Date: 2003-08-19
Classification: F16K,Y10S

Abstract:
A stopcock for a plug type coupling, the coupling having a housing having an axial through-bore having a coupling at one end and a mounting hole at an opposite end, said housing having a connector portion for mounting to a fluid line extending at an angle to the through-bore, the stopcock comprising:a tube portion having a passage for receiving fluid from the through-bore, the inner passage portion curved through an angle to fluidly connect with the connector portion, a ring seal disposed in said through-bore between an outer surface of the stopcock and the housing; a turning knob integral to said hollow pin portion and detachedly fixed relative to the coupling housing in axial direction of the contact hole, said turning knob comprising: two opposing ring segments integrally formed on an end wall of said knob that extend concentrically to the housing wall about said contact hole, said ring segments having inwardly directed detents operative to positively engage a flange ring formed on the housing wall about said contact hole after elastically expanding during insertion of said tube portion into said contact hole.