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.

Date of Patent:
Apr. 08, 2003

Filed:

Nov. 29, 2000
Applicant:
Inventors:

David W. Buchwald, Aurora, IL (US);

Purushottam P. Savalia, Aurora, IL (US);

Assignee:

Henry Pratt Company, Aurora, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 3/100 ;
U.S. Cl.
CPC ...
F16K 3/100 ;
Abstract

A valve actuator includes two parallel tracks in each of which a slider block is disposed to slide with a pivot pin and nut carried between the slider blocks; a valve stem engaging member is provided with an arm terminating in a sleeve in which a pin having an eccentrically shaped central portion is disposed; from each slider block, an arm extends to connect to an end of the pin in the sleeve; a set screw is employed to fix the position of the pin once the angular position of the arms is set to obtain the optimum mechanical advantage.


Find Patent Forward Citations

Buchwald, David. (2003). Valve actuator apparatus (U.S. Patent No. 6543747). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6543747

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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