Cargo elevator system
CA 1214437 A · Owner: Leyman Manufacturing Corporation · Inventors: Drews, Robert E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A cargo elevator system, that includes a pivotable cargo platform, particularly adapted for mounting on a truck. The system is operable through a unique open/close sequence for translating the platform between a substantially vertical upright storage position, and a horizontal elevator use position that permits the truck to be loaded and unloaded. The system is characterized by a unique latching mechanism for latching the platform in, and unlatching the platform from the, storage position. The system is also characterized by a first fail-safe structure for preventing the platform from swinging on its pivot axis toward ground level beyond its horizontal elevator …
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 November 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 25, 2003.
- 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.