Patent · US Expired

Transmission

US4044620A · kind A · utility

5Cited by
5References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 10, 1975
Grant dateAug 30, 1977
Priority date
Expiry dateDec 10, 1995

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16D25/042
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A variable speed ratio transmission wherein conventional pneumatic tires caused to orbit around an annular track to transmit motive forces from the input mechanism to the output mechanism. The tire planes are adjustable relative to the track plane to provide varying roll-skid engagement relationships, and different speed ratios.

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