Tape cassette with concave portion for engagement by player hook
CA 1294038 C · Owner: Kawakami, Kenji · Inventors: Yamamoto, Yoshinori; Horikawa, Kenichi; Ohyama, Masao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tape cassette comprises a cassette housing having an upper section, a lower section a pair of reel, hubs rotatably accommodated therein for winding a magnetic tape therearound, and a front opening through which the tape is engageable with a recording and/or reproducing head. The lower section is formed with a pair of openings for respectively receiving reel shafts for rotating the hubs and thereby driving the tape, and the upper section is formed with a recess. A tape player with which the cassette cooperates is provided with a holder for the cassette with, a loading hook engageable in the recess in the upper cassette section, and with an arrangement of cams and levers for moving the …
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 January 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 7, 2009.
- 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.