Record player switch-off mechanism
CA 1087992 A · Owner: B S R Limited · Inventors: Evans, Philip H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Automatic switch-off mechanism for a single play record player having a manually operated dash pot type cue-in device for the pick-up arm trip mechanism, which is operated by the movement of the pick-up arm when the s stylus enters the "run-out" groove of a record so that the trip mechanism moves a switch-off device to effect the switch-off sequence and a locking device to hold the trip mechanism in a locked position in which it cannot operate, the locking device being coupled to the manually operable member which operates the cue-in device so that the locking device is released from the trip mechanism only when the cue-in device is operated to allow the pick-up arm to descend.
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 October 21, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 21, 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.