Patent · US Expired

Method and device for controlling the movement of a needle in a sewing machine

US7325502B2 · kind B2 · utility

20Cited by
16References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 26, 2006
Grant dateFeb 5, 2008
Priority date
Expiry dateMay 26, 2026

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD05B29/06
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A method and device for controlling movement of the needle in a sewing machine (1) based on a detection device (27), which detects the movements of the visible surface of the manually displaceable article to be sewn (3) is provided. The stitch formation of the sewing machine (1) is controlled by detected changes in positions of the article to be sewn (3) in connection with a predetermined stitch length. The detection device (27) can be integrated into a sewing foot (23) entirely or partially.

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