Magnetic tape drive

Details Magnetic tape drive Magnetic tape drive

1996-02-23

1998-02-10

Cao, Allen

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Tape record

G11B 1500

Patent

active

057175403

ABSTRACT:
A magnetic tape drive in an auto-reverse tape recorder has a pair of reel-base gears, a pair of capstans, a pair of pinch rollers, a drive mechanism, a switching mechanism, and an oscillating mechanism. The drive mechanism selectively drives one of the pair of reel bases and selectively meshes with a cam gear, and the pair of reel bases has a gear that rotatively drives the reel base gear that is meshed with the cam gear. The switching mechanism switches a running direction of the magnetic tape from a first direction to a second direction, and the switching mechanism is reciprocated when the end of the magnetic tape is reached so that a first pinch roller that is abutting a first capstan moves away from the first capstan and a second pinch roller moves into contact with the second capstan. The switching mechanism has a switching lever that is reciprocated by the oscillating mechanism that includes a first oscillating mechanism that engages a cam portion of the cam gear and that is oscillated by a rotation of the cam gear and a second oscillating mechanism that is oscillated by the first oscillating mechanism so that the switching lever is reciprocated to change the running direction.

REFERENCES:
patent: 4378578 (1983-03-01), Shiozu et al.
patent: 4599662 (1986-07-01), Iwasaki
patent: 4680659 (1987-07-01), Imai
patent: 4843499 (1989-06-01), Ogawa
patent: 5402289 (1995-03-01), Hayaski et al.
patent: 5452160 (1995-09-01), Sakuma et al.
patent: 5583719 (1996-12-01), Kunze et al.

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