Close closet fitting and closet carrier with bowl connection

Claim 1

In a close closet fitting and closet carrier combination including a soil line closet fitting having a short integral side inlet branch, a closet outlet coupling extension axially adjustably received in the internal passage of the side inlet branch, a closet carrier including a vertical body plate having an aperture receiving said side branch therethrough, and a locking ring concentric with said extension secured relative to said side inlet branch and clamping means bearing on said plate and clamping said plate against shoulder means integral with said inlet branch, said locking ring including seal element means disposed internally thereof and compressed into a circumferentially sealing relation with said extension and the end of the side inlet branch, the improvement comprising: said fitting as having said side inlet branch provided with a plurality of like, symmetrically equally angularly spaced, external radial integral lugs close to the body of said fitting, said lugs, forming said shoulder means, having substantially flat front faces as lug shoulders for a positioning and clamping engagement with the said carrier body plate in the back peripheral region of said aperture, and said side inlet branch terminating in a male threaded portion forward of said lug shoulder for receiving said locking ring threaded thereon; said locking ring being provided by a collar having at one end a female threaded reduced diameter portion with said extension adjustably threaded therethrough axially into the passage of said branch, having at the other end a larger diameter female threaded counterbore, and having a seal element compressing shoulder defined between said female threaded portions; and an annular seal element received in said ring against said compressing shoulder; said female threaded counterbore threaded onto the male threaded said branch portion, thereby to secure said extension in sealed axially adjustable relation to said side inlet branch; said collar as the locking ring including a plurality of symmetrically disposed radially projecting external lugs with respective set screws threaded therethrough for a clamping engagement with the said carrier body front face in the region peripheral of said aperture; the lugs of said collar being located toward the end thereof having the reduced diameter female threaded portion, and said aperture having a diameter sufficient to receive the rear end of said ring with a circumferential clearance permitting centering of the inlet branch relative to said aperture.