Method and apparatus for automatic bobbin exchange
CA 1052348 A · Owner: Asahi Kasei Kogyo Kabushiki Kaisha · Inventors: Adachi, Katsuhiro; Minami, Tugio; Ohmura, Jukichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an apparatus for automatic and successive exchange of a plurality of bobbins. This apparatus includes a bobbin holder having a plurality of radially extending arms adapted for removably supporting the bobbins in one-to-one relationship. It includes further a pair of bearing means for support of an axial shaft of the bobbin holder and at least two parallel mounting rods adapted for slidably supporting these bearing means. There is provided further a pressurizing means for pressing the bobbin towards a friction drive roll and a stepwise rotary feed mechanism placed at one end of shaft of the bobbin holder. A larger diameter head member is connected with the friction …
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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 April 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 1996.
- 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.