Patent · US Expired

Eye-type buttonhole sewing machine

US6772703B2 · kind B2 · utility

2Cited by

5References

5Claims

0Family size

Assignee

Dürkopp Adler AG · DE

Inventors

Karsten Filges · Bielefeld, DE
Horst Bohl · Bielefeld, DE
Samuel Romich · Bielefeld, DE
Rainer Panhorst · Bielefeld, DE

Key dates

Filing date	Jul 14, 2003
Grant date	Aug 10, 2004
Priority date	—
Expiry date	Jul 14, 2023

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD05B21/00
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

An eye-type buttonhole sewing machine comprises an x-y table with an x carriage which is guided on the sewing machine and on which a y carriage is displaceably guided, having a bearing plate. Actuation of the x carriage is effected by an x motor which is mounted on the sewing machine and directly coupled with the x carriage via a cam drive. Actuation of the y carriage is equally effected via an electric motor which is directly connected to the y carriage via a threaded spindle with a spindle nut and a sliding coupling.

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