Manual motion control override apparatus

Details Manual motion control override apparatus Manual motion control override apparatus

1992-02-03

1993-04-27

Lorence, Richard M.

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

74481, 180323, G05G 1100

Patent

active

052051811

ABSTRACT:
An override control system for a ground-supported machine. A hand lever is used to adjust the equilibrium position of a self-centering device which is interconnected to a drive system of the machine so that a principal ground speed of the machine is selected and set by adjustment of the hand lever. A second control lever is connected to the drive system through the self-centering device and is operable to adjust the speed and direction of motion of the machine away from that set by the hand lever. Upon release of the second control lever, the self-centering device returns the ground speed of the machine to the preselected principal value.

REFERENCES:
patent: 3898891 (1975-08-01), Colloton
patent: 4119000 (1978-10-01), Venable
patent: 4156370 (1979-05-01), Callaghan
patent: 4346617 (1982-08-01), Schroeder et al.
patent: 4369856 (1983-01-01), Nudd

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