Integrated key top assembly

Details Integrated key top assembly Integrated key top assembly

1998-03-27

2000-11-28

Friedhofer, Michael

Electricity: circuit makers and breakers

Electric switch details

Actuators

200 5A, 200517, 200341, H01H 1370

Patent

active

061538442

ABSTRACT:
Provided is a hinge type thinly configured integrated type key top in which the strength, durability, operability and other required conditions of a hinge portion are optimally designed assuring easy manufacturing and assembling as well as key input device and computer using the same. It is an integrated type key top in which a plurality of key tops are integrated with a peripheral frame portion. Each key top has in the vicinity of both ends of its specified one side a portion deformably connected to the frame portion via a hinge portion which extends approximately in a linear shape of a specified width and a specified thickness. The key top, the hinge portions and the frame portion are integrated with one another and made of a resin material, while the hinge portion has a thickness t (mm) and a total width w (mm) which are set so that 8.ltoreq.20t+w.ltoreq.14 is satisfied in a range of 0.25.ltoreq.t.ltoreq.0.6 and 2.ltoreq.w.ltoreq.10.

REFERENCES:
patent: 4559427 (1985-12-01), Dolson et al.
patent: 4638151 (1987-01-01), Suwa
patent: 4977298 (1990-12-01), Fujiyama
patent: 4997998 (1991-03-01), Bauer
patent: 5927483 (1999-07-01), Yamada
patent: 6005209 (1999-12-01), Burleson et al.

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