Patent · US Expired

Thread feed device for a hosiery knitting machine

US4004438A · kind A · utility

11Cited by
7References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 11, 1975
Grant dateJan 25, 1977
Priority date
Expiry dateJul 11, 1995

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD04B15/48
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A thread feed device for a hosiery knitting machine comprises a tensioning mechanism for the thread, a cylindrical drum for positively driving the thread, a shaft coaxial with the drum and having an axial groove therein cooperating with radially inwardly extending projection means on the drum, and a plurality of rotary magnetic drive members surrounding the shaft and cooperating with a magnetic core on the shaft so that, by movement of the shaft, the magnetic core can be selectively aligned with one of the rotary magnetic drive members.

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