Sewing machine including workpiece clamping device
US4467735A · kind A · utility
3Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 22, 1982 |
| Grant date | Aug 28, 1984 |
| Priority date | — |
| Expiry date | Jul 22, 2002 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B39/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A sewing machine comprises a clamp securing device carried by the sewing machine carriage and releasably attachable to the workpiece clamp at any one of a plurality of locations so as to selectively locate the clamp with respect to the carriage, and a clamp holding device selectively actuatable to immobilize the clamp with respect to the main frame of the sewing machine when the securing device has been detached from the clamp and until the securing device is reattached at another location on the clamp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.