Patent ID: 8474877
Filing Date: 2013-07-02
Classification: F16L,H02G

Abstract:
1. An electrical push-in fitting for holding an electrical metallic tube comprising: a fitting body having an inlet end portion, an outlet end portion, and a bore extending therethrough, an outer chamber adjacent the inlet end portion; an intermediate chamber having an intermediate chamber axial dimension adjacent said outer chamber; a tube chamber placed adjacent said intermediate chamber; a unidirectional locking device having a plurality of gripping tangs placed within said outer chamber, with the plurality of gripping tangs extending into the intermediate chamber, wherein upon inserting the electrical metallic tube into the unidirectional locking device the plurality of gripping tangs flex a longitudinal or axial travel distance towards said tube chamber gripping the electrical metallic tube; a sealing ring having a sealing ring longitudinal or axial dimension placed within said intermediate chamber adjacent said tube chamber; wherein the intermediate chamber axial dimension is greater than the combined longitudinal or axial travel distance of the plurality of griping tangs and the sealing ring longitudinal or axial dimension and movement of the plurality of gripping tangs do not cause any contact with said sealing ring, whereby the plurality of gripping tangs are prevented from contacting or causing contact with said sealing ring; and a unidirectional locking device retainer held on said outer chamber.