Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1983-06-06
1986-08-19
Yeung, James C.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74501R, G05G 900
Patent
active
046062378
ABSTRACT:
A control device 1 comprises an operator lever 2 fast at its lower end with a lever block 3 which carries a ball stud 4 of which the ball 7 is mounted for universal pivoting in a fixed ball housing 8. A cross shaft 13 is mounted for rotation about its axis in the lever block 3, and links 17 are pivotally connected to opposite ends of the cross shaft and each to an axially movable output member 20. The operator lever 2 can be pivoted about axes passing through the center of the universally pivoted ball 7 to cause axial movements of the output members, either together in the same direction or in opposite directions or one only at a time. A gate may be provided for the operator lever 2 to confine the ball 7 to pivot only about defined axes. A spring 24 may be provided which becomes loaded upon movement of each output member 20 either side of a neutral position to bias the output member and hence the operator lever 2 back to neutral. The output members 20 may operate push pull control cables.
REFERENCES:
patent: 3541877 (1970-11-01), Houk
patent: 3705519 (1972-12-01), Sjoo
patent: 3811336 (1974-05-01), Pulskamp
patent: 3891042 (1975-06-01), Braun
patent: 4459870 (1984-07-01), Gill et al.
Teleflex Morse Limited
Wray James C.
Yeung James C.
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