Boom for material handling apparatus
CA 1278780 C · Owner: Gradall Company (The) · Inventors: Gano, John W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for providing additional effective length to the telescoping boom of a material handling apparatus is provided. A pivotable boom cradle is supported on an upper structure of the material handling apparatus. The boom cradle pivotally supports the base boom section by means of front and rear cradle arms. Front and rear straps are provided to attach the boom to the cradle arms. In addition front stop, blocks are provided intermediate the length of the base boom section while rear stop blocks are provided adjacent the trailing end thereof. In normal operation bolts secure the, front stop blocks to the front portion of the boom cradle. When it is desired to operate with an additional …
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 January 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 2008.
- 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.