Patent · US Expired

Draw roll drive arrangement

US4161862A · kind A · utility

9Cited by
3References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 12, 1977
Grant dateJul 24, 1979
Priority date
Expiry dateSep 12, 1997

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD01H1/22
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A long spinning machine, preferably a ring spinning machine, with a plurality of drawing means, which serve to draw the fiber strands with the drawing means being arranged adjacent to each other and extending lengthwise of the machine the drawing lower rollers of the drawing means formed by a plurality of long roller lines positively connected together at one point by drive gear transmissions which provide predetermined rpm ratios between the roller lines with some of the roller lines connected together by additional drive gear transmission at least at one additional point spaced from the one point to eliminate or substantially reduce torsion in the roller lines.

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