Dynamic information storage or retrieval – With particular cabinet structure – With mechanism to place disc on a turntable
Patent
1988-10-27
1991-11-19
Shoop, Jr., William M.
Dynamic information storage or retrieval
With particular cabinet structure
With mechanism to place disc on a turntable
369 772, 360 9907, G11B 1704
Patent
active
050671219
ABSTRACT:
Optical disc player having a frame (61), a turntable (17) including a centering mandrel (17c) and a supporting surface (17b) for a disc (3), a disc-pressure member (191) for pressing the disc onto the turntable in a clamping position, and a disc-loading device (151). The loading device comprises a holder (153) which is adapted to receive, in an initial position, a tray (23) having a carrying surface (29) for the disc. The holder can perform a loading movement to move the tray to and deposit the disc on the turntable and separate the disc from the tray, and an unloading movement to return the disc to the initial position. At opposite sides of the holder the loading device further comprises pivotal elements (155, 156) which are pivotally connected to the frame and which are movably connected to the holder. During loading the pivotal elements are pivotal in a first direction to move the supporting surface of the tray beyond the supporting surface of the turntable, viewed along the axis of rotation of the turntable, and during unloading they are pivoted in an opposite second direction to lift the disc off the turntable.
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Martin David
Shoop Jr. William M.
Treacy David R.
U.S. Philips Corporation
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