Patent · US Expired

Hydraulic valve for two-speed power take-off drive

US4287778A · kind A · utility

19Cited by
11References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 26, 1979
Grant dateSep 8, 1981
Priority date
Expiry dateDec 26, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/19433
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A hydraulic valve for a two-speed power take off selectively operated by a reversible stub shaft providing the proper output drive.

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