Patents Examined by Ogor Kershteyn
  • Zero-turn hydrostatic transaxle
    Patent number: 6971234
    Abstract: A pair of zero-turn, hydrostatic transaxles (HZTs) that may be joined to form an integrated, zero-turn, hydrostatic transaxle. Each of the hydrostatic transaxles are further comprised of a casing carrying a hydraulic pump driven by an input shaft, a hydraulic motor driven by a the hydraulic pump through porting contained within a center section, and an axle shaft driven by the hydraulic motor. The hydrostatic transaxles are joined along an interface extending generally perpendicularly to the axle shafts.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: December 6, 2005
    Assignee: Hydro-Gear Limited Partnership
    Inventors: Eric S. Phanco, Kenneth J. Rawski, Patricia J. Given, William H. Ward, Lonnie E. Holder