Patent · US Expired

Presser foot assembly

US4777893A · kind A · utility

2Cited by

6References

12Claims

0Family size

Assignee

Union Special G.m.b.H. · DE

Inventors

Helmut Bauer · Schreiber, CA
Helmut Durr · Frankfurt am Main, DE
Milan Petrovic · Hemmingen, DE

Key dates

Filing date	Jan 29, 1987
Grant date	Oct 18, 1988
Priority date	—
Expiry date	Jan 29, 2007

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD05B29/08
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A presser foot assembly for use with a workpiece support in a sewing machine having a sole plate, a body for supporting the sole plate in a position for pressing material to be sewn onto a workpiece support, and a lead-in sole part. The assembly has a pin for pivotally connecting the lead-in sole part to the sole plate, and a spring for moving the lead-in sole part between a first position adjacent the workpiece support and a second position spaced from the workpiece support.

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