Patent · US Expired

Pneumatic displacement system

US6796918B1 · kind B1 · utility

4Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 5, 2002
Grant dateSep 28, 2004
Priority date
Expiry dateOct 5, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2019/0695
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

The invention concerns a pneumatic system for displacing a cable (1) stretched in a loop between at least two pulleys (2, 3). Said system comprises at least an artificial muscle (5) inserted over a portion of the loop, the length of said artificial muscle varying depending on whether or not it is under pressure, means for pressurizing or not the artificial muscle, and means for alternately blocking two of said pulleys in a least one rotating direction.

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