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:
Apr. 23, 2002
Filed:
Mar. 19, 1999
Applicant:
Inventors:
Jeff Fallon, Belmont, GB;
Philip F. Lange, Plainfield, IL (US);
James A. Olthoff, South Holland, IL (US);
David A. Young, Sunderland, GB;
Assignee:
Caterpillar S.A.R.L., Geneva, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 3/102 ;
U.S. Cl.
CPC ...
F16D 3/102 ;
Abstract
A material eject system includes an ejector mounted to a bed of a vehicle which is movable between a rear end and a forward end of the bed for ejecting material from the bed. The ejector is powered by a cylinder having different fluid volumes depending on the direction of motion of the cylinder. Two pumps having flow rates matching the different fluid volumes of the cylinder are used to power the cylinder in the different directions.