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:
Oct. 31, 2006
Filed:
Apr. 22, 2005
Michael L. Bennett, Sullivan, IL (US);
Thomas J. Langenfeld, Sullivan, IL (US);
Matthew C. Roney, Sullivan, IL (US);
Shane A. Deters, Mattoon, IL (US);
Michael L. Bennett, Sullivan, IL (US);
Thomas J. Langenfeld, Sullivan, IL (US);
Matthew C. Roney, Sullivan, IL (US);
Shane A. Deters, Mattoon, IL (US);
Hydro-Gear Limited Partnersship, Sullivan, IL (US);
Abstract
A hydraulic drive apparatus having a pair of hydraulic pumps and a pair of hydraulic motors mounted on a common center section in a housing is disclosed. Each hydraulic motor is engaged to an adjustable swash plate located in the transmission housing for adjusting the fluid displacement thereof and an actuator mechanism for adjusting the position of the swash plate. Separate axle housings are mounted on the ends of the transmission housing for housing output axles that are operatively connected to the output shafts of the respective hydraulic motors.