Work cutting attachment for zigzag sewing machines
US4984525A · kind A · utility
Inventor
Key dates
| Filing date | Aug 23, 1989 |
| Grant date | Jan 15, 1991 |
| Priority date | — |
| Expiry date | Aug 23, 2009 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B37/063
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A work cutting attachment for use with a zigzag sewing machine having a presser bar, an endwise reciprocating needle bar and a feed dog. The attachment includes a base plate removably secured to the presser bar, a presser foot mounted on the base plate for holding a work fabric against the feed dog and having a needle clearance aperture, a fixed blade secured to the presser foot, a cutting blade operable in cooperation with the fixed blade, a support mechanism for supporting the cutting blade for vertical movement relative to the fixed blade, and a driving mechanism operatively connected to the needle bar for transmitting the vertical movement of the needle bar through the support mechanism to the cutting blade so as to move the latter vertically relative to the fixed blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.