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Title:
COVER OPENING AND CLOSING EQUIPMENT OF ELECTRONIC EQUIPMENT
Document Type and Number:
Japanese Patent JPH05287950
Kind Code:
A
Abstract:

PURPOSE: To facilitate the safety and operating property of equipments built in, by locking a cover with a lock means when the cover is closed with the vertical move ment, to release the lock means when the cover is released to be moved down with tare weight, and by suppressing a descending speed with a damper, to release the cover.

CONSTITUTION: An opening and closing cover 3 is moved upward, and the tip of a lock piece is inserted into a salient section 6, and the lock piece is rotated by a key, and the salient piece is engaged with the salient section 6 to be covered with. In this case, a spacer is fixed as a cylinder lock together with a cam plate, on a bearing shaft in a locking section 13, with screws. After that, when the door 3 is moved to a release position, then the key is inserted into the key hole 14 of the locking section 13, and the lock piece is set at a U/L position with rotating counter-clock-wise. After that, the engagement of the lock piece with the upper end of the door 3 is released, and the door 3 starts descending with tare weight. In this case, a damper with a pinion is driven, and descending at a stroke of the door 3 is suppressed with the damper. Besides, a motor as the damper is fitted on the rotary shaft of the pinion, and the descending speed is suppressed with a diode for resistance.


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Inventors:
HISHIYAMA MASAHIRO
Application Number:
JP1992000087261
Publication Date:
November 02, 1993
Filing Date:
April 08, 1992
Export Citation:
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Assignee:
SANYO ELECTRIC CO
International Classes:
E05B55/00; E05B65/02; E05C3/38; E05C5/00; G06F1/16; H05K5/03; (IPC1-7): E05B65/02; E05B55/00; E05C3/38; E05C5/00; G06F1/16; H05K5/03
Attorney, Agent or Firm:
Takuji Nishino



 
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