Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1983-05-25
1985-12-31
Hecker, Stuart N.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360 86, 360 98, G11B 554, G11B 1700
Patent
active
045625000
ABSTRACT:
A mechanism is disclosed for latching the read/write heads of a magnetic disk memory in a parking zone. The mechanism permits the heads to operate in the read/write mode within small distances of the parking zone and requires no additional electrical power. The mechanism includes a spring pawl cantilevered from the head/arm assembly and a latch plate pivotally mounted on the disk memory housing. In the latched condition of the head/arm assembly, the tip of the pawl engages a small abutment surface on the latch plate which is spring biased to arrest the motion of the assembly. Unlatching is effected by actuating the head/arm assembly to overcome the bias of the latch plate spring.
REFERENCES:
patent: 3518651 (1970-06-01), Keeney
patent: 4139874 (1979-02-01), Shiraishi
patent: 4164769 (1979-08-01), Kaseta et al.
patent: 4188648 (1980-02-01), Guerini
patent: 4331989 (1982-05-01), Viskochil
patent: 4484241 (1984-11-01), Brende et al.
Hecker Stuart N.
Severin David J.
Tandon Corporation
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