Compact feed bar
US4235180A · kind A · utility
1Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 19, 1980 |
| Grant date | Nov 25, 1980 |
| Priority date | — |
| Expiry date | Feb 19, 2000 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B27/22
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A sewing machine work feed mechanism with guide means for tilt free motion of the feed dog in a linear path, the feed mechanism utilizing a fabricated sheet metal feed bar, centrally pivoted, and of a length from the pivot to one end of at least 10 times the maximum feed stroke.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.