Dynamic information storage or retrieval – With particular cabinet structure – Slotted for edgewise insertion of storage disc
Patent
1996-10-02
1998-05-05
Evans, Jefferson
Dynamic information storage or retrieval
With particular cabinet structure
Slotted for edgewise insertion of storage disc
369178, 360 9806, 360 9907, G11B 1704, G11B 1710
Patent
active
057485968
ABSTRACT:
A disk changer employs two disk guides that support a disk by its edge. A first guide has a revolving belt that frictionally engages the disk edge to roll it on a second guide. The edge fits into a channel of the second guide. The channel's access is defined by two opposing guiding surfaces. The channel's blind end has a resilient surface. Disks are inserted between the guides through an aperture guarded by a flap that opens outwardly and closes to prevent improper insertion of disks. The flap, urged by a spring, closes on the disk, riding along the back surface. A controller detects when the flap falls off the trailing portion to register position for position encoding. The shape of the resilient surface of the second disk guide corresponds to the position of the disk along a line of transport. Three transport zones are defined. In the first zone, closest to the insertion aperture, the surface is sloped to press the disk against the guiding surface opposite the flap to resist the moment generated by the pressure of the flap on the back of the disk. In the second zone, following the point at which the flap has fallen off the trailing edge, the surface is sloped to press the disk against the opposite guiding surface. In the third zone, the surface is vertical to allow the disk to pitch to an extent allowed by the spacing of the guiding surfaces, to align itself with a storage slot.
REFERENCES:
patent: 4682320 (1987-07-01), D'Alayer De Costemore D'Arc
patent: 4695990 (1987-09-01), Kawakami
patent: 4750160 (1988-06-01), Miller et al.
patent: 5119354 (1992-06-01), Umesaki
patent: 5173894 (1992-12-01), Kido
patent: 5255255 (1993-10-01), Kaneda et al.
patent: 5307331 (1994-04-01), D'Alayer De Costemore D'Arc
patent: 5321687 (1994-06-01), Kinoshita et al.
patent: 5544148 (1996-08-01), Nakamichi
Evans Jefferson
Nakamichi Corporation
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