Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent
1981-07-13
1984-04-03
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Head
Head accessory
226196, G11B 1560, B65H 2304
Patent
active
044411332
ABSTRACT:
A guide roller of a tape traveling system of a video tape recorder and the like for changing the direction of travel of a magnetic tape and regulating the heightwise position of the tape during its travel including a roller body of a diameter not constant but smoothly varying axially thereof for exerting on the traveling tape a force tending to shift the tape axially. The guide roller has a flange at the top and the bottom of the roller body having a tape guide surface for contacting the edge of the tape which is not perpendicular to the axis of the roller body but convex as viewed from the respective end of the roller body, to prevent the edge of the tape from striking the edges of the flanges. The roller body may be conical at its outer peripheral surface and at the tape guide surface of each flange.
REFERENCES:
patent: 2862715 (1958-12-01), MacDonald
patent: 3376395 (1968-04-01), Rumple
patent: 4274118 (1981-06-01), Mangold
Iijima Kazunori
Ikeda Manabu
Matsui Takeshi
Miyakawa Seii
Ogawa Tsuneo
Hitachi , Ltd.
Tupper Robert S.
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