Title: Phonograph record adapter

Abstract: A phonograph record adapter comprising a rigid ring adapted to receive a standard phonograph record therein, a flange extending inwardly of the ring, the interior diameter of the flange being less than the diameter of the record, the flange being adapted to engage and overlie a surface of the record and being further adapted to exert a force upon the record when the record is in playing position to substantially negate the effects of warpage in the record, and spring biasing means mounted on interior portions of the ring and engageable with the record to center the record.

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Inventors: Stark, Martin F. (Sherborn, MA, US)
Whalen, Robert L. (Cambridge, MA, US)

Application Number: 867386
Filing Date: 1978-01-06
Publication_date: 1979-04-10
Assignee:
Primary Class(es): 369/289
Other Classes:
US Patent Ref:

1062579	May, 1913	Aylsworth	274/39.
1172533	Feb, 1916	Kane	274/42.
1812550	Jun, 1931	Penteado	274/42.
1904490	Apr, 1933	Mallina	274/39.
2069827	Feb, 1937	Harrison	274/39.
2285139	Jun, 1942	Andres	274/42.
2344919	Mar, 1944	Kelly	274/42.

Other Refs:
Primary Examiner: Stephan, Steven L.
Assistant Examiner:
Attorney: Foster; Scott R.