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Patent Searching and Data


Title:
KEYBOARD DEVICE
Document Type and Number:
Japanese Patent JPH05298000
Kind Code:
A
Abstract:

PURPOSE: To improve transportability by thinning the thickness of a device by pushing down a key top when it is not used and to improve operability by securing a sufficient stroke by pushing up the key top when it is used in a keyboard device used in the input of an information processor.

CONSTITUTION: This device is comprised in such a way that a restoration spring and a contact depressing spring are formed integrally at a flat spring sheet 21, and the flat spring sheet 21 is slid by a sliding mechanism(eccentric cam 26, stud 21F, suspension sprint 27) linking with the opening/closing of a cover provided with a display device 14, which changes the height of the key top 19.


Inventors:
NAGATOMO YASUSHI
CHIBA TOSHIMI
TACHIBANA SADAO
SATO SATOSHI
Application Number:
JP1993000012506
Publication Date:
November 12, 1993
Filing Date:
January 28, 1993
Export Citation:
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Assignee:
OKI ELECTRIC IND CO LTD
International Classes:
G06F1/16; G06F3/02; H01H13/04; H01H13/70; H01H13/702; (IPC1-7): G06F3/02; G06F1/16; H01H13/04; H01H13/70
Attorney, Agent or Firm:
鈴木 敏明