Articulated platform mechanism for laser pattern generation on a workpiece
CA 2248002 A1 · Owner: Hill, David R. · Inventors: Hill, David R.; Covello, James A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An articulated platform mechanism (10) includes a base a mounting frame (11) , including a platform (12) the frame having multiple attach portions (14); a mounting (70) attached to each of the attach portions; a series of cams (16) each having at least one cam surface; a series of crowned cam followers (15 18); a series of drive motors (19); one of each of the cams or one of each of the followers being attached to each one of the mountings the other of the , cams and the followers being in rolling association with respective ones of each cam or cam follower; and wherein each motor drives a respective cam or follower not attached to the mountings to actuate the platform in vertical , …
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 December 24, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 24, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 24, 2019.
- 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.