Sewing machine with thread wiper and auxiliary cutter
US5289791A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1993 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Mar 31, 2013 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B65/06
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A double-stitch sewing machine is provided which, in a preferred embodiment, includes a throat plate and feed dog with a needle opening for supporting a material to be sewn, a reciprocating needle to penetrate the material, the needle having an eyelet for insertion of a needle thread, the needle being able to penetrate through the sewn material and carry the needle thread through the needle opening, a rotating hook for pulling on the needle thread after insertion of the needle thread through the needle opening, forming a loop in the needle thread with a first leg of the loop being joined with the sewn material and the needle and a second leg of the loop being joined only with the sewn material, a bobbin carrier mounted within the rotating hook having an adjacent clearance with the rotating hook, allowing the rotating hook to cause the needle thread to be brought underneath the bobbin carrier, the bobbin carrier dispensing bobbin thread in cooperation with the rotating hook pulling of the needle thread, a first cutter for cutting the needle thread, separating the needle thread first and second legs and cutting the bobbin thread, forming a first leg of the bobbin thread connecting wi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.