Title:
FLAT KEYBOARD
Document Type and Number:
WIPO Patent Application WO/1985/005731
Kind Code:
A1
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).
Inventors:
FUKUYAMA HIROOMI (JP)
INOUE MICHIYA (JP)
SASAKI KAZUYUKI (JP)
INOUE MICHIYA (JP)
SASAKI KAZUYUKI (JP)
Application Number:
PCT/JP1985/000310
Publication Date:
December 19, 1985
Filing Date:
June 04, 1985
Export Citation:
Assignee:
FANUC LTD (JP)
International Classes:
G06F3/02; H01H13/02; H01H13/06; H01H13/12; H01H13/70; H01H13/702; H01H36/00; (IPC1-7): H01H13/06; G06F3/02
Foreign References:
| JPS474466U | 1972-09-11 | |||
| US3184574A | 1965-05-18 | |||
| JPS60130013A | 1985-07-11 |
Other References:
See also references of EP 0185768A4
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