Patent · US Expired

Apparatus for use in sewing machine for detecting damage to covered or uncovered conductive wire

US6289832A · kind A · utility

4Cited by
2References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 9, 2000
Grant dateSep 18, 2001
Priority date
Expiry dateAug 9, 2020

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD05B69/36
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Disclosed is a damage detection apparatus for use in a sewing machine including a bobbin having a conductive wire wound thereon, and a sewing mechanism having a metal needle, which sews the conductive wire drawn from the bobbin to an object with thread by means of the metal needle. The damage detection apparatus includes a terminal to be electrically connected to part of the conductive wire, and an indicator electrically connected to both of the terminal and the metal needle and arranged to indicate the occurrence of contact of the metal needle with the conductive wire.

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