Optical disk drive unit with a sealing type bearing member

Details Optical disk drive unit with a sealing type bearing member Optical disk drive unit with a sealing type bearing member

1992-05-28

1994-04-05

Tupper, Robert S.

Dynamic information storage or retrieval

With particular cabinet structure

Slotted for edgewise insertion of storage disc

369 771, G11B 3302

Patent

active

053011791

ABSTRACT:
An optical disk drive unit comprising: a sealing enclosure which encloses from exterior the disk cartridge and an access mechanism for the recording medium in the disk cartridge; an input device for inputting an eject command signal; a pin for moving and arranging a cartridge eject device to a state for starting its function; a cam which is disengaged from the pin when the cartridge is unloaded and which is contacted from the pin to start the ejecting function when the cartridge is loaded so that by rotating the cam, the ejecting function can be conducted; a cam drive disposed outside of the enclosure; a linkage for connecting a shaft of the cam drive to the cam through a hole formed in the enclosure; and a controller for controlling the cam in such a way that upon receipt of the eject command signal from the input device, the cam drive is driven to rotate the cam until the cartridge is ejected, wherein through a hole 15 of the chassis 1 is inserted a shaft 81 of the cam 80, and a worm wheel 79 is connected to the shaft 81 through an engagement member 82, the worm wheel 79 engaging with a worm 77 installed on a rotational shaft of an eject motor 76.

REFERENCES:
patent: 4829393 (1989-05-01), Shimizu et al.
patent: 5060101 (1991-10-01), Isomura
patent: 5172362 (1992-12-01), Hattori et al.

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