Hem stitch presser foot
US4473019A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 20, 1982 |
| Grant date | Sep 25, 1984 |
| Priority date | — |
| Expiry date | Oct 20, 2002 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05D2209/14
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
For a hem stitching operation with a sewing machine having a needle vertically reciprocating and also laterally swingable, a hem stitching presser foot is detachably mounted to a lower end of a presser bar of the sewing machine. The presser foot includes a brush like element which confronts a needle dropping hole formed in a sole of the presser foot, a frictional contact between the needle and the brush like element is produced when the needle passes the outside of the fabric edge, without penetrating the fabric, to stitch a portion of hem stitches on the outside of the fabric edge. The brush like element may be secured to the sole of the presser foot, or alternatively to a fabric guide member for engaging and guiding the fabric edge. The brush may be projected in the fabric feeding direction or across the fabric feeding direction. A pin may be located just beneath the brush like element for constant placement thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.