Friction device for use in car radios

Details Friction device for use in car radios Friction device for use in car radios

1978-04-13

1980-10-07

Lazarus, Ira S.

Machine element or mechanism

Shaft operators

Gear drive

74 1033, 74 89, F16H 3518

Patent

active

042261287

ABSTRACT:
A friction device for coupling the manual tuning knob of a keyboard (pushbutton) radio to a reciprocal tuning slidebar is disclosed. The friction device comprises a cylindrical rod attached to the tuning slidebar which selectively is drivingly engaged by a peripheral V-shaped groove in a pulley rotated by the manual tuning knob.

REFERENCES:
patent: 2451032 (1948-10-01), Kingman
patent: 2808506 (1957-10-01), Skwareh
patent: 3431884 (1967-03-01), Marantz
patent: 3503270 (1970-03-01), Chashi
patent: 3724280 (1973-04-01), Olah
patent: 3906806 (1975-09-01), Harlan
patent: 4033491 (1977-07-01), Aldenhoven
patent: 4099421 (1978-06-01), Ohashi et al.
patent: 4106351 (1978-08-01), Santoro

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