Extendable boom for belt conveyor
CA 1261303 A · Owner: Foster, Stephen L. · Inventors: Petri, Woldemar R.; Foster, Stephen L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Title: EXTENDABLE BOOM FOR BELT CONVEYOR A gravel delivery truck is disclosed, which carries a moving belt conveyor, on a boom that can swing over the delivery site. The boom is foldable for stowage on the truck. The boom includes a foldable extension, hinged to the main length of the boom. For stowage, the extension is doubled over the main length, and the main length is placed lengthwise, behind the drivers's cab, down one said of the truck, and over the rear wheels. The folded-over extension fits into the space ahead of the rear wheels underneath the, main length. The layout of the hinge joint is such that during folding of the boom, the total length of the …
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
- Granted September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
- 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.