Patent ID: 9726307
Date: 2017-08-08
CPC Classifications: F16L,F23D,Y10T

Claim:
1. An orifice holder assembly comprising: a cast orifice holder of unitary construction having a base connected by at least one arm to a boss, said boss located below the base and having a bore therethrough extending from a first boss surface to a second boss surface with said second boss surface located above the first boss surface, said base having an outlet extending through the base concentrically disposed relative to the bore through the boss, with the boss integrally connected by the at least one arm to the base, the base having oppositely directed shoulders with vertically external bores therethrough for securing the orifice holder to a stove; a tube received by the boss, said tube having a preformed bead disposed about the tube spaced from a tube end, said bead contacting the first boss surface with a portion of the tube extending through the bore of the boss, said tube then deformed at the tube end to provide a lip with a lip engagement surface in contact with the second boss surface external to the bore with the lip and the bead forming a mechanical connection of the tube to the boss by entrapping a portion of the boss between the lip and bead; and an orifice body connected to the tube end and having a bore therethrough, said orifice body located below the base with a space above the orifice body and below the base and said orifice body terminating internal to the boss above the first boss surface; wherein the at least one arm consists of two separate and distinct arms extending from the base to the boss, wherein the base and the boss are longitudinally separate and concentric with each other and the two arms extend from an internal diameter of the base to an external diameter of the boss, and wherein the two arms are oppositely and symmetrically disposed relative to the orifice body.