Rotary thread cutter for a sewing machine
US5062374A · kind A · utility
8Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1990 |
| Grant date | Nov 5, 1991 |
| Priority date | — |
| Expiry date | Aug 23, 2010 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05D2305/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thread cutter for a sewing machine uses a circular rotary cutter mounted to the sewing machine. The thread cutter includes a body having an air motor disposed therein. A circular blade is supported on a shaft extending from the air motor. The cutter body is reciprocally supported on a rod fixed at one end to a mounting plate. The rod is disposed in a cylinder within the body and has a piston end, air supplied to one side or the other of the piston driving the cutter body reciprocally into and out of engagement with any threads trailing from a sewn article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.