Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1983-01-06
1985-12-17
Pate, III, William F.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74523, 745519, G05G 900
Patent
active
045586098
ABSTRACT:
A handle assembly for a joystick controller includes a tiltably mounted, elongated, hollow, tubular shaft having an elongated rod extending coaxially therethrough. A helical compression spring is seated in a recess at one end of the shaft and coaxially encircles the rod for engagement with an enlarged-diameter button thereon, resiliently to urge the rod to a normal rest position projecting a predetermined distance from the adjacent end of the shaft. Several different-shaped handle members are interchangeably mounted on the shaft, each handle member having a cylindrical bore therethrough for receiving the shaft and frictionally engageable with a knurled portion on the outer surface of the shaft. The bore has a reduced diameter portion at one end thereof to limit the depth of insertion of the shaft.
REFERENCES:
patent: 2272897 (1942-02-01), Riesing
patent: 2841659 (1958-07-01), Eitel
patent: 3056867 (1962-10-01), Eitel
patent: 3298245 (1967-01-01), Cross
patent: 3314716 (1967-04-01), Sommerer
patent: 4138905 (1979-02-01), Konishi
patent: 4382166 (1983-05-01), Kim
Pate III William F.
Rolnicki Joseph M.
Wico Corporation
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