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:
Feb. 10, 1976
Filed:
Aug. 19, 1974
Applicant:
Inventors:
Kenneth F Golan, Pekin, IL (US);
Larry W Oetzel, Washington, IL (US);
Assignee:
Caterpillar Tractor Co., Peoria, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
13754317 ; 251297 ; 74531 ;
Abstract
A check valve comprises a spring biased poppet reciprocally mounted in a housing thereof to normally close an inlet to the valve. A set screw is threadably mounted in an exposed position on the housing to selectively vary the spring load on the poppet to thus vary the pressure setting thereof. An annular elastomeric locking member circumvents the set screw and is compressed radially inwardly thereagainst by a clamping member, releasably attached on the housing, to retain the set screw in its preset position.