Patent · US Expired

Zero turn transmission

US5078222A · kind A · utility

156Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 2, 1989
Grant dateJan 7, 1992
Priority date
Expiry dateMar 2, 2009

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2057/02043
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A zero turn transmission having two identical mirror image reduction drives powered by independent self-contained hydraulic power units.

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