Monitoring device for strip metal stock
CA 1264833 C · Owner: St. Denis, Andrew R. · Inventors: St. Denis, Andrew R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for automatically monitoring strip metal stock being fed from a roll feeder to a metal processing processing machine comprising: (a) a pair of rollers mounted on the feeder above and below the path of travel of the strip stock, said rollers being mounted on support arms which are fixed to transverse pivot rods on the feeder to permit movement of the rollers in substantially vertical direction, said pivot rods extending laterally outside the strip metal stock path and having crank arms fixed to the outer ends thereof, whereby the outer crank arms move in unison with the vertical movement of the rollers, and means to bias said rollers toward each other (b) a rotary transducer …
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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 January 23, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 2007.
- 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.