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:
Jan. 07, 2003
Filed:
Apr. 23, 2001
Applicant:
Inventors:
Andrew G. Shull, Washington, IL (US);
Everett G. Brandt, Brimfield, IL (US);
Robert J. McGee, Cleveland, OH (US);
Assignee:
Caterpillar Inc, Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B 1/122 ; B66F 9/00 ;
U.S. Cl.
CPC ...
F15B 1/122 ; B66F 9/00 ;
Abstract
A method and apparatus for lifting a work implement attached to a work machine. The method and apparatus includes delivering a lift command to a hydraulic lift circuit, diverting a portion of the lift command to a hydraulic tilt circuit, and responsively tilting the work implement to a rack-back position in cooperation with lifting the work implement.
Shull, Andrew. (2003). Method and apparatus for lifting a work implement attached to a work machine (U.S. Patent No. 6502498). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6502498
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile