Head cleaning system of a video cassette recorder having double

Details Head cleaning system of a video cassette recorder having double Head cleaning system of a video cassette recorder having double

1994-12-14

1996-06-04

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Head accessory

G11B 510

Patent

active

055239137

ABSTRACT:
A head cleaning system of a video cassette recorder comprises a couple of head cleaning rollers rotatably connected to two respective divergent ends of a lever. The lever has a convergent end opposite to the divergent ends and is mounted on a pivot. A sliding pin is rotatably secured to the convergent end of the lever so as to be engaged with an eccentric guide groove formed in a cam. The guide groove extends counterclockwise and radially. The sliding pin slides along the guide groove of the cam to rotate the lever on the pivot when the cam rotates in order to load or unload a video cassette tape into or out of the video cassette recorder. Each of the cleaning rollers is alternately in contact with a peripheral suface of a head drum to clean it in accordance with the rotation of the lever.

REFERENCES:
patent: 5182691 (1993-01-01), Mimasu

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