Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1981-12-03
1983-05-03
Grimley, A. T.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
200 18, 273313, 273DIG28, H01H 1900
Patent
active
043821669
ABSTRACT:
A joystick apparatus includes a tiltably mounted tube and a rod reciprocally movably axially therethrough. The tube has a frustoconical first actuator at one end thereof for operating engagement with a selected one or more of a plurality of first switches as the tube is tilted. The adjacent end of the rod carries a part-spherical second actuator for operating engagement with a second switch when the rod is extended from the tube, the shape of the second actuator keeping it in proper operating relationship with respect to the second switch regardless of the position of the tube.
REFERENCES:
patent: 2381077 (1945-08-01), Obszarny
patent: 2502834 (1950-04-01), Dreyer
patent: 2531608 (1950-11-01), Bula
patent: 2622161 (1952-12-01), Harter, Jr.
patent: 3613813 (1971-10-01), Biddle
patent: 4095791 (1978-06-01), Smith et al.
patent: 4142180 (1979-02-01), Burson
patent: 4273972 (1981-06-01), Butterworth
Wico Corporation Drawing No. 15-9531-01, Jun. 30, 1981.
Ginsburg Morris
Grimley A. T.
Wico Corporation
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