Keyboard with edge vent

Details Keyboard with edge vent Keyboard with edge vent

1981-05-28

1983-11-15

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200159B, 200306, H01H 1370

Patent

active

044157800

ABSTRACT:
An electrical switch assembly of the type comprising a pair of printed circuits separated by an apertured spacer wherein passages are provided to vent gas from the region of each individual switch and the edge of the assembly.

REFERENCES:
patent: 4046975 (1977-09-01), Seeger, Jr.
patent: 4066851 (1978-01-01), White et al.
patent: 4249044 (1981-02-01), Larson
patent: 4300029 (1981-11-01), Maser
patent: 4365130 (1982-12-01), Christensen

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