Modules with linking drive shafts
CA 2210838 A1 · Owner: Seman, Richard A. Jr. · Inventors: Seman, Richard A. Jr.; Bahrami, Hassan; Portig, Harald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Modules, such a paper tray 21, are stacked under a printer (3). Power to drive the paper feed originates from the printer. A housing (9 27) carries a shaft (17, 35) which is, keyed to turn with the housing. The shafts have abutment surfaces (47a) which mesh with abutment surfaces on the housing (29a 29b). A thrust bearing (51) supporting the housing has a configured bottom to permit limited adjustment by rotation of the housing around the gear (35) at the opposite end of the housing. The top of the modules under the printer extend past their general frame and have a conical guide surface (23) to direct an entering shaft. The bottom of the modules has an opening (19e) to receive the extended …
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
- Filed July 17, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 17, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 17, 2019.
- 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.