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:
Dec. 05, 2000
Filed:
Mar. 13, 1998
Applicant:
Inventors:
Colin A Hawkins, Lafayette, IN (US);
David R Mc Parland, Lafayette, IN (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02F / ; F16J / ; F01M / ; F15D / ;
U.S. Cl.
CPC ...
277591 ; 277598 ; 277630 ; 1231 / ; 123 9037 ; 138 89 ;
Abstract
A first fluid passage for a crankshaft is plugged at an end portion to prevent fluid leakage from the passage. A plug having first and second cylindrical end portions of different diameters is slidably disposed in first and second cylindrical bore portions, respectively, of the first fluid passing passage and retained in the bore portions by a stop ring. A resilient member disposed in the second cylindrical bore portion engages a shoulder on the plug and a transition step surface in the second cylindrical bore portion and forcibly urges the plug against the stop ring.