Turntable assembly for phonograph records

Details Turntable assembly for phonograph records Turntable assembly for phonograph records

1975-04-08

1977-10-18

Aegerter, Richard E.

Undertaking

248358R, 267141, G11B 360

Patent

active

040542912

ABSTRACT:
A phonograph record turntable assembly comprises a rotatable turntable having on its upper surface a plurality of elastically flexible, upwardly dished record support members which are engageable, at their peripheries with the undersurface of a phonograph record for each defining an enclosed space therebetween, and each record support member has at least one air passage opening from the respective enclosed space to the atmosphere. When a warped or distorted phonograph record is placed on the aforesaid turntable assembly, the several elastically flexible support members conform to the shape of the undersurface of the record for uniformly supporting the latter, and vibrations of the record are damped by the viscous resistance to flow of air through the air passages of the record support members into and out of the enclosed spaces defined between such support members and the phonograph record.

REFERENCES:
patent: 778492 (1904-12-01), Johnson
patent: 1480629 (1924-01-01), Nolen
patent: 1917633 (1939-07-01), Burt
patent: 3231454 (1966-01-01), Williams
patent: 3720415 (1973-03-01), Daniels et al.
patent: 3831923 (1974-08-01), Meldrum

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