Title:
SWITCHING MECHANISM
Document Type and Number:
Japanese Patent JPS58122679
Kind Code:
A
Abstract:
PURPOSE:To open a shutter in operation and to close the shutter in pause, by providing a sheath for the shutter of a cartridge, and switching the shutter with a nail of a disc driver in holding the sheath. CONSTITUTION:A disc 10 is contained in a disc cartridge case 1. Both sides of the case 1 are provided with the shutter 3 switching holes for recording and reproduction and a shutter 4 covering a rotary shaft. Those are held with a cover 2 freely slidably. The shutters 3, 4 cover notches of the cartridge and the cover 2 not in operation. In inserting the cartridge to a guide 20, the nail 8 and the sheath 5 are latched and the shutters 3, 4 are opened. In unloading the cartridge, the closing nail 9 and the sheath 5 are latched and the shutters 3, 4 are closed.
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Inventors:
KAMISADA TOSHIMASA
KITANI HIROSHI
KITANI HIROSHI
Application Number:
JP505882A
Publication Date:
July 21, 1983
Filing Date:
January 18, 1982
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G11B23/03; (IPC1-7): G11B23/02
Attorney, Agent or Firm:
Toshiyuki Usuda