Magnetic recording disk cartridge with locking member

Details Magnetic recording disk cartridge with locking member Magnetic recording disk cartridge with locking member

1983-07-11

1987-08-18

Richardson, Robert L.

Dynamic magnetic information storage or retrieval

Record medium

In container

360133, 360 772, 360291, 360292, G11B 23033

Patent

active

046881271

ABSTRACT:
A magnetic recording disk cartridge comprises a flexible recording disk having a cylindrical hub secured to the central portion thereof, and a casing in which the recording disk is accommodated. The cartridge is provided with a locking member comprising a pair of resilient arms which are fixed to the casing and are urged toward each other to grip therebetween the hub to fix the recording disk with respect to the casing so that the surfaces of the recording disk are not brought into contact with the inner surface of the casing, and a releasing member movable between an inoperative position in which it is operatively removed from the resilient arms and an operative position in which it urges the resilient arms away from the hub to release the recording disk from the locking member. The releasing member is arranged to be automatically moved to the operative position when the cartridge is loaded in a system using it, e.g., an electronic camera.

REFERENCES:
patent: 3282589 (1976-11-01), Morrison
patent: 3730602 (1973-05-01), Campbell et al.
patent: 3931640 (1976-01-01), Takahara et al.
patent: 3951264 (1976-04-01), Heidecker et al.
patent: 4063292 (1977-12-01), Karsh
patent: 4084200 (1978-04-01), Adair et al.
patent: 4084690 (1978-04-01), Pulse
patent: 4152739 (1979-05-01), DeMoss et al.
patent: 4343546 (1982-08-01), Urquhart
patent: 4488190 (1984-12-01), Oishi et al.
patent: 4489407 (1984-12-01), Kiguchi

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