Title:
MAGNETIC DISK CARTRIDGE
Document Type and Number:
Japanese Patent JPS5924479
Kind Code:
A
Abstract:
PURPOSE:To easily and surely perform operations which designate prohibition and permission of erasing, by constituting a case in such a way that the opening of the case is opened and closed by an erroneous erasing preventing member provided in the case under a oscillation-free condition and the member is locked when it is in a position which opens the opening. CONSTITUTION:An opening 5 is formed in the upper wall of a case 2 and the opened condition of the opening indicates erasing prohibition and the closed condition indicates erasing permission. An erroneous erasing preventing member 6 has a shaft section 6a. When the projected part 6b of the member 6 is in a position which contacts with the side end 5a of the opening 5 under a condition where the opening 5 is closed, the opening 5 is closed by a contacting part 6c and, when a lever 8 for detecting erroneous erasing prevention of the device is inserted from the direction A, the lever 8 stops at a position where the lever 8 contacts with the contacting part 6c and detects the erasing permitting condition. When the member 6 is oscillated in the direction B and the opening 5 is opened by pressing the projected part 6b with a finger tip, a projection 6e is put in a through hole 7 and the member 6 is locked. When the lever 8 is inserted from the direction A under this opened condition, the lever 8 detects that the opening 5 is under an opened condition. The locked condition is not accidentally released by means of the projection 6e and projected part 6b.
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Inventors:
OOISHI KENGO
ONO TAKESHI
ONO TAKESHI
Application Number:
JP13494382A
Publication Date:
February 08, 1984
Filing Date:
August 02, 1982
Export Citation:
Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
G11B23/03; G11B23/033; G11B23/28; (IPC1-7): G11B23/02; G11B23/28
Domestic Patent References:
| JPS5337617U | 1978-04-03 | |||
| JPS5438899U | 1979-03-14 | |||
| JPS58122278U | 1983-08-19 |
Attorney, Agent or Firm:
Yanagita Seiji