Automatic recorder player

Details Automatic recorder player Automatic recorder player

1980-03-31

1982-04-20

Shepperd, John W.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

369216, 369243, G11B 1706

Patent

active

043262864

ABSTRACT:
An automatic record player comprises a tone arm, a drive motor, a turntable, a turntable spindle having a turntable gear, a gear wheel engageable with the turntable gear to receive a rotational force of the turntable, a tripping member for bringing the turntable gear into engagement with the gear wheel, a cam arrangement defined on the gear wheel, a drive transmitting lever having one end engaged to the cam arrangement and the other end operatively coupled to the tone arm, and a switching lever for selecting cam portions of the cam arrangement into use one at a time. The cam arrangement is comprised of a generally heart-shaped cam groove and a bypass groove bypassing a portion of the heart-shaped cam groove and having a depth larger than that of the heart-shaped cam groove. An automatic power switch control and a start-cut mechanism are also utilized.

REFERENCES:
patent: 2764415 (1956-09-01), Carlson
patent: 3023009 (1962-02-01), Dale
patent: 3506270 (1970-04-01), Rankin
patent: 3822889 (1974-07-01), Nakagawa
patent: 3847401 (1974-11-01), Evans
patent: 3885798 (1975-05-01), Yokokura

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