Patent · US Expired

Agricultural machine

US4525987A · kind A · utility

35Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 1984
Grant dateJul 2, 1985
Priority date
Expiry dateApr 17, 2004

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H3/001
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An agricultural machine to be pulled by a tractor and having working tools driven by outer driving sources comprises a chassis arranged to support the working tools, a beam unit arranged for connecting the chassis with a tractor and including a first beam and a second beam, a transmission including a first portion and a second portion turnable relative to one another and arranged so that the first portion is connected with the first beam turnable relative to one another about an upward axis of turning of the portions whereas the second portion is fixedly connected with the second beam, a locking element arranged to lock the rotation between the first portion and the first beam, and a driving device arranged in the transmission and including two input shafts located in the first portion and receiving the movement from one driving source, an output shaft located in the second portion and adapted to transmit movement to the working tools at approximately the same speed independently of the input shafts which receives the movement, and intermediate driving element interconnecting the two input shafts and the output shaft, the working position of the input shaft which receives the movem…

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