Key module for keyboards having a dome-shaped key member of resi

Details Key module for keyboards having a dome-shaped key member of resi Key module for keyboards having a dome-shaped key member of resi

1984-11-09

1987-02-03

Marcus, Stephen

Electricity: circuit makers and breakers

Electric switch details

Actuators

200159B, 2003022, H01H 312

Patent

active

046410040

ABSTRACT:
A bell or dome-shaped key member of elastic material is fitted at its edge which bounds the open side of the key member into a groove of a key housing part which can be latched to a printed circuitboard, the fit is provided with a web-like projection 7 such that the key member 5, together with the housing part 1, forms a composite member which can be manipulated in an uncomplicated manner.

REFERENCES:
patent: 3900712 (1975-08-01), Fukao
patent: 3917917 (1975-11-01), Murata
patent: 4021630 (1977-05-01), Taylor
patent: 4352968 (1982-10-01), Pounds
patent: 4441001 (1984-04-01), Miyano et al.
patent: 4527030 (1985-07-01), Oelsch

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