Stacker crane
CA 2357935 A1 · Owner: Kamide, Satoshi · Inventors: Kamide, Satoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Each of the lower cart 4 and the upper cart 5 of the stacker crane 2 are loaded with running motors 8, 9, and are synchronized with one another and are ran. The elevating platform 18 is elevated and descended by employing the mast between the carts 4, 5. The mast 10 is attached to the lower cart 4 in the running direction, freely swinging, and is attached to the upper cart 5 freely, swinging in the running direction and freely shifting in the lower direction. The stacker crane which is high speed and light weighted wherein an, excess force is prevented from being applied even when heightening the mast can be earned according to the present invention.
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 28, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 28, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 28, 2023.
- 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.