Electricity: circuit makers and breakers – Solid contact – Membrane type
Patent
1983-11-03
1989-03-21
Shepperd, John W.
Electricity: circuit makers and breakers
Solid contact
Membrane type
200 5A, H01H 1370
Patent
active
048145610
ABSTRACT:
An elastic key top construction for supporting a key top comprising a key top push or support section on which the key top is mounted, a projection disposed below the key top support section, a first movable wall integral with the key top support section and the projection for connecting the key top support section to the projection while allowing relative movement to each, a second movable wall integral with the key top support section, the second movable wall being connected to a installment support member of the key top construction so as to allow up/down movement of the key top support section in respect to the base member.
REFERENCES:
patent: 4315114 (1982-02-01), Monti
patent: 4390765 (1983-06-01), Sado
patent: 4491702 (1985-01-01), Kato
Sharp Kabushiki Kaisha
Shepperd John W.
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