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:
Aug. 25, 2020
Filed:
May. 15, 2019
Fisher Controls International Llc, Marshalltown, IA (US);
Steven Hostetter, Colfax, IA (US);
FISHER CONTROLS INTERNATIONAL LLC, Marshalltown, IA (US);
Abstract
Example tapered nut valve plug fastener apparatus disclosed herein include a valve plug, a valve stem, and a nut. The valve plug has a first end, a second end located opposite the first end of the valve plug, and a bore extending from the first end to the second end of the valve plug. The valve stem has a first end, a second end located opposite the first end of the valve stem, and a first tapered surface located between the first end and the second end of the valve stem. The first end of the valve stem extends through the bore The nut is threadably engaged with the first end of the valve stem. The nut includes a second tapered surface. The first tapered surface engages the bore from the first end of the valve plug and the second tapered surface engages the bore from the second end of the valve plug to capture the valve plug between the first and second tapered surfaces, and to rigidly secure the valve plug to the valve stem.