Patent · US Expired

Transfer mechanism and drive with straight line lift and lower

US4726240A · kind A · utility

6Cited by
7References
17Claims
0Family size

Inventor

Key dates

Filing dateOct 23, 1985
Grant dateFeb 23, 1988
Priority date
Expiry dateOct 23, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/18072
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A power drive and lift-and-carry mechanism in which a rotary input drives a mechanical system to produce a relatively long dwell stage and, in combination with a crank drive mechanism, produces a transfer motion with a substantially straight lift and lower motion coupled with a horizontal component in a smooth transfer motion for work parts.

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