Zero turn transaxle
US7127889B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2005 |
| Grant date | Oct 31, 2006 |
| Priority date | — |
| Expiry date | Apr 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.