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:
Jun. 07, 2011
Filed:
Oct. 31, 2008
Ronald Ray Brestel, Marshalltown, IA (US);
Benjamin Uriah Good, Marshalltown, IA (US);
Ronald Ray Brestel, Marshalltown, IA (US);
Benjamin Uriah Good, Marshalltown, IA (US);
Fisher Controls International, LLC, Marshalltown, IA (US);
Abstract
Collets for coupling rotary actuators to valves are disclosed. An example shaft coupling assembly includes an elongated member having a first end and a second end, in which the first end includes a coupling portion having a first opening configured to receive a rectangular shaft. The coupling portion includes at least one flexible member having an arcuate outer surface and a first inner surface adjacent a second inner surface that at least partially define the first opening. At least a portion of the first inner surface is to engage a first side of the rectangular shaft and at least a portion of the second inner surface is to engage a second side of the rectangular shaft. The shaft coupling assembly further includes a sleeve having a second opening to receive the elongated member and a tapered third opening configured to receive the coupling portion.