Patent · US Expired

Zero turn transaxle

US7127889B1 · kind B1 · utility

32Cited by
36References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 22, 2005
Grant dateOct 31, 2006
Priority date
Expiry dateApr 22, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H39/14
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.