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:
Jan. 28, 1986
Filed:
Feb. 21, 1985
Floyd V Edwards, Cedarville, OH (US);
Dennis A Boehmer, Xenia, OH (US);
Vernay Laboratories, Inc., Yellow Springs, OH (US);
Abstract
A valve assembly is disclosed for permitting relatively free flow in a flow path in a first direction and for preventing flow in the path in a second, opposite direction. The assembly includes a resilient flow regulator including a pair of lips arranged in a converging relationship to define a normally closed slit at the outer ends of the lips. An annular flange extends outwardly about the opposite end of the regulator. A housing outlet portion defines a housing interior approximating the shape of the regulator. The housing outlet portion further includes an annular collar disposed outwardly adjacent the base of each planar surface. The regulator is diposed within the housing outlet portion with the flange contained within the collar, and with the lips being adjacent to but not in contact with the interior housing surface. A cover plate is attached to the collar for securing the regulator and for sealing the housing. Beveled surfaces along the housing interior engage the regulator flange for centering the regulator within the housing. Alignment tabs are provided on each regulator lip for cooperating with recesses in the planar surfaces of the housing outlet portion. Alignment notches are provided within the collar, one of which cooperates with an alignment key formed on the inlet portion cover plate.