The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 16, 1976
Filed:
Jan. 31, 1975
Applicant:
Inventors:
Dexter Robert Plummer, Ongar, EN;
Gerald Avison, Victoria Park, EN;
Colin Howard Stanwell-Smith, Victoria Park, EN;
Keith Douglas Ridler, Fulbourn, EN;
Assignee:
Strathearn Audio Limited, Belfast, EK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
274 47 ; 152565 ; 274-2 ;
Abstract
A combination of a turntable for playing phonograph records, a lid covering the turntable, tone arm for tracking record grooves, and a cleaning element mounted on the lid for movement into contact with a constant annular area on the top side of the record for cleaning. A counterbalance weight controls the pressure of the cleaning element upon the record.