Hinge and roller support device for sectional door
CA 1049393 A · Owner: Mihalcheon Holdings Ltd. · Inventors: Mihalcheon, Arthur
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a device of this type, the tubular member which receives the track roller shaft is attached to the door plate supporting ears by an arm which is bolted to the ears. Thus the tubular member can be rotated about the bolts to adjust its distance from the hinge plates. As a result an adjustable, unit is provided which is easy to install and set.
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 February 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 27, 1996.
- 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.