Overedge sewing machine
CA 1261206 A · Owner: Maruzen Sewing Machine Co. Ltd. · Inventors: Mikuni, Yoshio; Koshinaka, Osamu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An overedge sewing machine adapted to perform three thread overedge stitching (STITCH TYPES 504 and 505) under the cooperating action of one needle (6) and an upper looper (15) and a lower looper (31). In addition to swing movement in the direction crossing the fabric feed direction, reciprocating movement in the fabric feed direction is selectively applied to the lower looper whereby the front end of the lower looper is revolved around the needle. If the lower looper is revolved round the needle with the upper looper out of action this, operation provides double chain stitching (STITCH TYPE 401). Further, if the lower looper is revolved around the needle with the upper looper in action …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.