Structure for contact points of a shift switch used in a compute

Details Structure for contact points of a shift switch used in a compute Structure for contact points of a shift switch used in a compute

1995-05-04

1996-12-24

Sparks, Donald A.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

200243, 200252, 200257, 200279, 200292, 361837, 439246, H01H 120, H01H 144, H01H 110, H05K 702

Patent

active

055878865

ABSTRACT:
A structure for contact points of a shift switch used in a computer. The structure includes an elastic contact plate disposed under the shift switch and having projecting contact points to contact the corresponding conductive contact portions of the circuit board. A sloped slot is formed between adjacent contact portions to separate the contact portions from each other and to avoid detachment and scattering of the conductive material of the contact portions. The contact points are designed with an elongated shape so as to provide a smooth sliding motion of the contact points through the sloped slots.

REFERENCES:
patent: 3544740 (1970-12-01), Robin
patent: 3592983 (1971-07-01), Kroll
patent: 4107499 (1978-08-01), Weidler
patent: 4276460 (1981-06-01), Haesly et al.
patent: 4486637 (1984-12-01), Chu
patent: 4737602 (1988-04-01), Yamamoto
patent: 5357069 (1994-10-01), Nishio et al.

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