Helical band drive for disc storage apparatus
CA 1231173 A · Owner: Seagate Technology · Inventors: Ngo, Long V.; Kaczeus, Steven
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disc drive including a drive mechanism including a stepper drive motor for moving a carriage or the like to any desired position between two extreme positions long a path of travel. The drive motor includes a rotatable shaft coupled to the carriage through a band which is helically wound on the motor drive shaft. The disc drive has a head positioning apparatus including a carriage which mounts a magnetic head for movement relative to a recording medium; drive means for moving the carriage including a drive motor having a rotatable shaft, the flexible band being helically wound on the shaft to move the carriage. The band is wound on the shaft in two portions, one portion being wound on the …
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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 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 5, 2005.
- 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.