Universal joint for connecting separate frames in movable pipe conveyor
CA 1207632 A · Owner: Okazaki, Haruo · Inventors: Hashimoto, Kunio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a universal joint for connecting each of a plurality of separate frames in a movable pipe conveyor which is used in a large-scale reclaiming work and may exhibit a large effect comprising a first connecting metal fitting, a combining metal fitting, a second connecting metal fitting a connecting, pin. The universal joint of the present invention may be freely turned in entire directions as is similar to known universal joints, and there is no possibility of trouble even when being stained with soil and sand etc. owing to its simple constitution. Furthermore the, universal joint may sufficiently endure large load by thickening the connecting pin and the horizontal …
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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 July 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 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.