Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1975-01-08
1976-06-22
Scott, James R.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
200330, 74471XY, H01H 320, H01H 2500
Patent
active
039653153
ABSTRACT:
A switch construction, particularly a rapid data entry switch for connecting one or more select contact circuits comprises a first block member which has a first finger engagement side and an opposite second side which is arranged in opposition to a second block member first side. The second block member defines one or a plurality of contact guide bores therethrough and it provides a pivotal support base for the first block member. The first block member advantageously has recesses defining finger engagement positions which when depressed by a finger engagement will cause the first block member to pivot on the second block member to displace a select contact rod member in order to cause it to actuate or establish a connection in a select contact circuit. The block member is comprised of rectangular block elements having opposed surfaces which are formed as pyramidal segments which interengage.
REFERENCES:
patent: 1830298 (1931-11-01), Tartaglia
patent: 3005055 (1961-10-01), Mattke
patent: 3040827 (1962-06-01), Ulinski
patent: 3277248 (1966-10-01), Melvin, Jr.
patent: 3439568 (1969-04-01), Griffith
patent: 3519775 (1970-07-01), Weremey
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