The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 06, 1983
Filed:
Jun. 08, 1981
Irvin D Jacobson, Bratenahl, OH (US);
Frank R Volgstadt, Madison, OH (US);
David P Passerell, Geneva, OH (US);
Perfection Corporation, Madison, OH (US);
Abstract
The angle cock valve has all plastic parts to prevent galvanic corrosion when used in hot water tanks and the like. The valve includes a valve body, a valve stem and a stem retainer. The valve body has an inlet bore, an outlet bore, and a valve stem receiving bore disposed in fluid communication with each other. The inlet and valve stem receiving bores taken together form a linear bore for allowing a rod to pass into the water tank to dislodge accumulated sediment. An annular seat is disposed between the inlet and outlet bores. The valve stem has an enlarged handle portion at one end and a detent for mounting a seat seal at the other end. The valve stem and the stem receiving bore are threaded to enable the seat seal to be selectively moved longitudinally against the annular seat. A pair of annular ridges receive an annular seal. Facing the handle portion, the ridges have a generally transverse surface. The stem retainer is mounted on the exterior of the valve body. It has a projection which extends through an aperture into the valve stem receiving bore for selectively engaging the transverse surface to limit longitudinal movement of the valve stem. A spring segment resiliently urges the projection into the aperture. A grip portion enables the spring segment to be flexed and the projection withdrawn from the aperture. When the projection is withdrawn, the valve stem may be removed from the valve stem receiving bore.