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:
Nov. 28, 2000
Filed:
Jul. 28, 1999
Ted J Makowan, Schaumburg, IL (US);
Val-Matic Valve and Manufacturing Corp., Elmhurst, IL (US);
Abstract
A device for visually indicating a position of a check valve disc within the check valve is provided. The indicating device has an exposed element extending outside of the valve body to provide a visual indication of a position of the valve disc, an engaging element, connected to the exposed element, positioned within the valve body to engage the valve disc, a movable seal member to provide an interface between an interior of the valve body and an exterior of the valve body, with the engaging element and the exposed element being connected to the seal member, and a mechanism to hold the engaging element in contact with the valve disc. An electrical switch may be provided for detecting the position of the exposed element and for transmitting an appropriate signal.