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. 05, 2014
Filed:
Jan. 27, 2009
Applicants:
David Anthony Arnold, Marshalltown, IA (US);
David George Halm, Haverhill, IA (US);
Michael Wildie Mccarty, Marshalltown, IA (US);
Inventors:
David Anthony Arnold, Marshalltown, IA (US);
David George Halm, Haverhill, IA (US);
Michael Wildie McCarty, Marshalltown, IA (US);
Assignee:
Fisher Controls International, LLC, Marshalltown, IA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/44 (2006.01); F16K 31/00 (2006.01); F16K 35/00 (2006.01); F01B 7/00 (2006.01); F01B 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Actuators having override apparatus are described herein. An example actuator having an override apparatus includes a first actuator stem coupled to a control actuation member. The override apparatus is operatively coupled to the actuator. A spring is coupled to an override member to move the first actuator stem to a predetermined position in response to an override condition.