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:
Nov. 12, 2002
Filed:
Nov. 28, 2000
Applicant:
Inventor:
Elmer R. Crabb, Granbury, TX (US);
Assignee:
Caterpillar Inc, Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 1/106 ;
U.S. Cl.
CPC ...
B62D 1/106 ;
Abstract
The planetary steering differential includes first and second interconnected gear trains. First and second gear trains are used for rotating output members in the same direction at the same speed in response to rotating solely a first input and holding a second input stationary. Rotation solely the second input arrangement and holding the first input arrangement stationary the output members are rotated in opposite directions at the same speed. The first input arrangement is driven by a transmission, and the second input arrangement is driven by a reversible steering motor.