Stylus lead-in mechanism of record player

Details Stylus lead-in mechanism of record player Stylus lead-in mechanism of record player

1978-12-08

1980-11-18

Stephan, Steven L.

Undertaking

G11B 1716

Patent

active

042341949

ABSTRACT:
An automatic record player for playing disc records of various sizes has a turntable, a tone arm, an elevation rod of the tone arm, a tone arm auto-return mechanism, an elevation mechanism of the tone arm, an energizing mechanism for automatically moving the tone arm toward the turntable, a stopping mechanism for stopping the tone arm on a lead-in groove of a disc record of any size, an operation mechanism for operating the elevation mechanism, the energizing mechanism, and the stopping mechanism, and a switch operating mechanism for operating a micro-switch of an electric motor of the turntable. The elevation mechanism, the energizing mechanism, the stopping mechanism, and, the switch operating mechanism can be remotely operated individually or together by an operation lever of the operation mechanism.

REFERENCES:
patent: 3822889 (1974-07-01), Nakagawa
patent: 3847401 (1974-11-01), Evans
patent: 4039194 (1977-08-01), Nakagawa

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