1975-03-31
1976-12-14
Stephan, Steven L.
Undertaking
248350, 248358R, G11B 360, F16F 1504
Patent
active
039971740
ABSTRACT:
A mat for a phonograph record turntable is made up of at least one rubber or other flexible enclosure defining at least one sealed interior space which contains a fluid material, preferably in the form of a viscous liquid, so as to provide a cushioned, vibration-damping record supporting surface which conforms to the shape of a warped or otherwise distorted phonograph record placed thereon. In order to avoid the accumulation of the liquid at any one portion of the mat when the turntable is not horizontally disposed, the interior of the mat may be divided into a plurality of liquid-containing spaces which are isolated from each other, as by partitions therebetween, and/or each interior space may further contain absorbent material which takes up the viscous liquid. The vibration-damping properties of the mat may be enhanced by providing solid particles which float in the viscous liquid.
REFERENCES:
patent: 1446289 (1923-02-01), Dessau
patent: 3591122 (1971-07-01), Mehaffie
Eslinger Lewis H.
Sinderbrand Alvin
Sony Corporation
Stephan Steven L.
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