Sheet feeding mechanism for an automatic typewriter
CA 1091609 A · Owner: Hy Grip Products Co. (A Partnership) · Inventors: Borchert, Hugo E.; Hyland, Francis P.; Pilon, Harlan J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved sheet feeding mechanism for an automatically driven typewriter. The feeder mechanism includes a housing which is mounted on the typewriter and defines a supply magazine for storing a stack of sheets to be typed and a finish magazine for storing typewritten sheets. When it is desired to feed a sheet through the platen of the typewriter, a platen clutch is disengaged to disconnect the platen from the typing mechanism and connect the platen to a feed roll. A pressure plate is actuated to force the pack of sheets in the supply magazine against the feed roll, and the feed roll will scrub the outermost sheet from the pack and move the sheet downwardly through a tapered chute and …
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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 December 16, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 16, 1997.
- 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.