Head shield for a tape drive

Details Head shield for a tape drive Head shield for a tape drive

2005-07-05

2005-07-05

Castro, Angel (Department: 2653)

Dynamic magnetic information storage or retrieval

Head

Head accessory

Reexamination Certificate

active

06914748

ABSTRACT:
A shield assembly (48) for a tape head (34) of a tape drive (14) includes a head shield (60) that selectively moves between a first position (75A) wherein the tape head (34) is substantially exposed, and a second position (75B) wherein the tape head (34) is substantially shielded. In the first position (75A), a shield aperture (124) exposes the tape head (34) to a storage tape (26). The shield assembly (48) can include a first shield mover (62) that biases the head shield (60) to the first position (75A), and a second shield mover (64) that selectively overcomes the bias of the first shield mover (62) to move the head shield (60) to the second position (75B). The head shield (60) is positioned across the tape head (34) at a shield wrap angle θ2that is greater than a tape wrap angle θ1of the storage tape (26). A surface of the head shield (60) can include a cleaning region (120) that includes a head cleaning material. Movement of the head shield (60) between the first position (75A) and the second position (75B) can cause contact between the cleaning region (120) and the tape head (34), resulting in cleaning of the tape head (34).

REFERENCES:
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patent: 3731289 (1973-05-01), Bajgert et al.
patent: 4010514 (1977-03-01), Fischer et al.
patent: 4412263 (1983-10-01), Nelson et al.
patent: 4556890 (1985-12-01), Hermanson et al.
patent: 5930089 (1999-07-01), Anderson
patent: 6067212 (2000-05-01), Poorman
patent: 6157516 (2000-12-01), Hertrich et al.
patent: 6166881 (2000-12-01), Anderson et al.
patent: 6215618 (2001-04-01), Anderson et al.

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