Tape recorder
CA 1072676 A · Owner: Olympus Optical Co. · Inventors: Nemoto, Shigeru; Kobayashi, Minoru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tape recorder provided with a controlling mechanism comprising a rockable control lever, a head support lever for supporting a magnetic head and a pinch roller support lever for supporting a pinch roller mounted rockably and coaxially with each other a first spring, stretched between said control lever and the head support lever to shift the magnetic head toward the tape accompanying the rocking motion of the control lever, and a second spring stretched between said control lever and the pinch roller support lever to shift the pinch roller toward the tape accompanying the rocking morion of the control lever, at least one of said first and second springs charged with returning force …
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
- Granted February 26, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 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.