Drive reducer for tape recorder

Details Drive reducer for tape recorder Drive reducer for tape recorder

1977-12-15

1980-01-15

Scott, Samuel

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

74214, 360 2, 274 39A, F16H 1302, F16H 5532, F16D 6900

Patent

active

041832540

ABSTRACT:
A drive reducer for a tape recorder accomplishes a large reduction from the surface speed of a motor-driven shaft to the surface speed of a drive element for advancing a tape media such as a magnetic recording tape on a flat card. A cup-shaped element is fixed to a reducer shaft and positioned so that the inner surface of a cylindrical outer wall engages the motor-driven shaft. An idler wheel freely rotatable on the reducer shaft is positioned radially inside the cup-shaped element and is formed of compressible material with a diameter large enough for compressibly engaging the motor-driven shaft and pressing it against the inner surface of the outer wall of the cup-shaped element. Rotation of the reducer shaft is transferred to the driven element preferably by a friction sleeve on the reducer shaft and a friction disk engaging the sleeve and turning a shaft supporting the driven element.

REFERENCES:
patent: 2111422 (1938-03-01), Fawick
patent: 2281277 (1942-04-01), FitzGerald
patent: 2781667 (1957-02-01), Giskes
patent: 2907071 (1957-10-01), Lichten
patent: 3190133 (1965-06-01), Foufounis
patent: 3872500 (1975-03-01), Wild
patent: 3872501 (1975-03-01), McPherson
patent: 4114831 (1978-09-01), Johnson

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