Mobile suspended scaffold
CA 1292489 C · Owner: Friday, Ronald W. · Inventors: Friday, Ronald W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
MOBILE SUSPENDED SCAFFOLD", ABSTRACT OF THE DISCLOSURE A mobile suspended scaffold arrangement comprises a support portion which can move along rails or purlins provided on the roof of a steel building, a boom assembly extending outwardly therefrom and a scaffold hanger portion suspended from the boom assembly. The device is particularly for use in cladding prefabricated steel buildings. The wheel assemblies include a vertical support wheel and a horizontal guide wheel and can be coupled by simple elongate beams extending at right angles to the rails. The support portion on the roof can be divided into two separate dollies which can be used for transporting equipment on the roof. 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 November 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 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.