Bag handler
CA 2371523 A1 · Owner: Milton, Michael Douglas · Inventors: Milton, Michael Douglas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The bag handler is a attachment used to grip jute bags or other items that can be penetrated, it, uses 2 pneumatic or hydraulic cylinders to rotate via a linkage 2 sets of protruding spikes at, either end of a rectangular frame to hold on to the parcel to be lifted To operate the bag handler it is lowered onto the item to be lifted via hoist and is activated, with a switch forcing 2 pneumatic or hydraulic cylinders connected to the shaft lever/rotating, shaft linkage to rotate the spikes towards themselves producing the gripping pressure required, to hold the parcel to be lifted. The parcel then may be lifted with the assistance of the hoist, and positioned where the operator …
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 February 11, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 11, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 11, 2024.
- 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.