Pickup carriage transporting mechanism for a disk record player

Details Pickup carriage transporting mechanism for a disk record player Pickup carriage transporting mechanism for a disk record player

1982-03-15

1984-09-25

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specified detail of transducer assembly support structure

369 772, 369219, 369249, 16102, G11B 338

Patent

active

044738994

ABSTRACT:
In a pickup carriage transporting mechanism for a disk record player, such as a video disk player, a stopper made of a plate like member having a U-shaped recess is provided to correct the attitude of the carriage. The carriage is arranged to move left and right so that the stylus of the pickup moves linearly to pick up information from a disk on a turntable. Since the carriage is pulled at its front end by a loop-like wire to effect the leftward and rightward movement, the carriage is apt to be inclined from a desired angle. When the carriage is returned to its resting position, the front wall portion of the carriage will be partially received in the U-shaped recess having a width which is equal to or slightly greater than the thickness of the front wall portion so that inclination of the carriage is forcibly corrected by the stopper. Attitude correction will provide smooth loading and unloading of a disk because of accurate alignment of a plurality of sections of a guide rail used for insertion and removal of a disk casing. A nonthreaded nut made of an elastic synthetic resin may be used to minimize the play of the guide roller.

REFERENCES:
patent: 3787925 (1974-01-01), Dawson
patent: 4139200 (1979-02-01), Iyeta
patent: 4191381 (1980-03-01), Stave
patent: 4323997 (1982-04-01), Kuribayashi et al.
patent: 4342109 (1982-07-01), Stewart
patent: 4346467 (1982-08-01), Souther

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