Normal/reverse mode changing mechanism for tape transport apparatus
CA 2003102 C · Owner: Yamaguchi, Yasuhiro · Inventors: Ida, Mitsuru; Yamaguchi, Yasuhiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A normal/reverse mode changing mechanism for a tape transport apparatus comprises a mode selecting lever cam, arrangement, and an electromagnet and one of two tape running, modes is selectively obtained due to changing the number of current pulses supplies to the electromagnet. The mode selecting lever has such a function as to move a plurality of controlling members such, as a drive gear engaged selectively with one of the reel base gears, and a lever, which can selectively press one of the two pinch rollers against the corresponding one of two capstans for controlling the direction in which the tape is running. The cam arrangement has such a function as to hold the mode selecting lever …
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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
- Filed November 16, 1989 and granted June 2, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 16, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 16, 2011.
- 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
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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.