Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent
1987-05-22
1989-08-08
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Head
Head accessory
360137, 15210R, G11B 541
Patent
active
048558559
ABSTRACT:
A cleaning device for a cassette-type tape recorder wherein a cassette shell is provided with a longitudinally reciprocating bar adjacent the edge of the shell normally aligned with the heads of the recorder in use, the reciprocating bar being provided with a number of cleaning pads which contact and clean the heads and drive rollers in the tape recorder in a reciprocating manner. In the preferred form of the invention three cleaning pads are provided to clean the erase head, the record/playback head, and the capstan and pinch roller respectively.
The bar is reciprocated by a cam drive from a hub member rotated by a drive spindle in the tape recorder. In the preferred form of the invention two hub members are provided, one being engaged with the forward take-up spindle and the other with the reverse take-up spindle of the tape recorder so that the cleaning device can operate either way up or in conjunction with an auto-reverse tape recorder regardless of the playing direction engaged.
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patent: 3955214 (1976-05-01), Post et al.
patent: 4225893 (1980-09-01), Loiselle
patent: 4272796 (1981-06-01), Van Kreuningen et al.
patent: 4442468 (1984-04-01), d'Alayer de Costemore d'Arc
patent: 4445158 (1984-04-01), Clausen et al.
patent: 4458281 (1984-07-01), Kara
Jeffers Albert L.
Niewyk Anthony
Sniezek Andrew L.
Tupper Robert S.
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