Dynamic magnetic information storage or retrieval – Miscellaneous
Patent
1975-08-29
1977-12-27
Lucas, Jay P.
Dynamic magnetic information storage or retrieval
Miscellaneous
15246, 360128, G11B 541
Patent
active
040658015
ABSTRACT:
A kit for cleaning the interior working parts of a cartridge type tape playback unit comprises a completely hollow cartridge case having parallel track guide means disposed in its two sides. The hollow cartridge case is designed to actuate the unit when it is inserted in the unit and provide the user of the cleaning kit with an unobstructed view of the playback head, the capstan and the sensing pole as well as other similarly disposed interior working parts over which the tape would normally travel. A tool holder having three interchangeable heads is provided. Two of the heads, one of abrasive material and the other of felt or the like, are formed with a concave cleaning surface and are dimensioned so as to be received between the guides in the side walls of the cartridge case. The guides are aligned with the capstan so as to direct the concave surface of the cleaning head into intimate contact with the capstan surface. The third cleaning head is formed as a swab of cotton-like material and is designed for cleaning the sensing pole and playback head.
REFERENCES:
patent: B449892 (1976-03-01), Thompson
patent: 3407431 (1968-10-01), Melnik
patent: 3761994 (1973-10-01), Becht
patent: 3881195 (1975-04-01), Ono
patent: 3955214 (1976-05-01), Post et al.
Admiral Tape Player 8Y6 Chassis Service Manual, (5-74), see p. 5.
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