Helical scan magnetic recording device having a folded mounting plate
CA 1070423 A · Owner: International Business Machines Corporation · Inventors: Kollar, Ernest P
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A helical scan magnetic recording device is provided with a folded mounting plate in order to permit a tape wrap on the circumference of a tape support mandrel which is intermediate the conventional 180° and 360° tape wraps. Specifically the, device is provided with a folded mounting plate comprising a body having a substantially planar reference surface for supporting a tape entry guide and a non-parallel substantially, planar exit reference surface for supporting a tape exit guide. The two non-parallel surfaces are coupled together to define a V-block mounting support for the mandrel. In a preferred embodiment, the entry reference surface and the exit reference surface are each …
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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 January 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 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.