Sewing machine frame with presser foot and needle bar unit
US4044701A · kind A · utility
7Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1974 |
| Grant date | Aug 30, 1977 |
| Priority date | — |
| Expiry date | Mar 15, 1994 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B29/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides an improvement in assembling a sewing machine in which the machine has an open rear portion through which several units and devices in pre-assembled condition are mounted in the machine body and adjusted into proper positions during assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.