Continuous screw tightening machine
CA 2519732 C · Owner: Muro Corporation · Inventors: Arai, Kunihiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A continuous screw tightening machine which is capable of precisely feeding single-part screws without the need for using a conventional screw gang element containing a number of screws arranged at prescribed intervals in a row by means of a belt-like member and is capable of continuously and efficiently screwing-in screws into a plate material or other object. It is a continuous screw tightening machine with which a driving machine 4 equipped with a grip handle 2 is mounted and which comprises a tightening machine main body 3 with which a bit 7 for screw tightening is removably connected to the driving machine 4 through a reduction gear and a clutch; and a screw feed mechanism through …
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
- Filed September 13, 2005 and granted November 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 13, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.