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1. (WO1985005731) FLAT KEYBOARD

Pub. No.:    WO/1985/005731    International Application No.:    PCT/JP1985/000310
Publication Date: Dec 19, 1985 International Filing Date: Jun 4, 1985
IPC: H01H 13/70
H01H 13/702
Applicants: FANUC LTD

FUKUYAMA, Hiroomi

INOUE, Michiya

SASAKI, Kazuyuki

Inventors: FUKUYAMA, Hiroomi

INOUE, Michiya

SASAKI, Kazuyuki

Title: FLAT KEYBOARD
Abstract:
A flat keyboard which is used as an operating board for numerical control units, and as an input device for calculators and electronic balances. It is an object of this invention to simply carry out the replacement of an outer sheet (70) with which the outer surface of a keyboard assembly (100) is covered, and improve the waterproofing and dustproofing properties of a flat keyboard. A keyboard assembly (100) consisting of a printed board (1) on which keys (4) are arranged is attached to the rear surface of a smooth flat panel (6) with holes (6a) therein. The outer surface of the keyboard assembly (100) and the outer sides of the holes (6a) in the smooth flat panel (6) are covered with an outer sheet (70). A smooth flat frame (8) is placed on a peripheral portion (70a) of the outer sheet (70). The smooth flat frame (8) is fastened to the smooth flat panel by fixing means (9) to hold the peripheral portion (70a) firmly between the smooth flat panel (6) and smooth flat frame (8).