Force amplifying arrangement for sewing machine pushbutton control
US4487141A · kind A · utility
0Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 29, 1984 |
| Grant date | Dec 11, 1984 |
| Priority date | — |
| Expiry date | May 29, 2004 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B19/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A sewing machine pushbutton control is provided in a floating extension with a toggle which assists the movement of a plurality of cam followers into operative engagement with buttonhole controlling cams and actuating mechanism for a needle bar and feed regulator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.