Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position
Patent
1989-11-29
1991-10-15
Herrmann, Allan D.
Machine element or mechanism
Rotary member or shaft indexing, e.g., tool or work turret
Preselected indexed position
74875, 74480B, 74DIG8, G05G 702
Patent
active
050563793
ABSTRACT:
A device for the remote control of engine functions comprising two control units, each control unit having a system consisting of an output shaft coupled with a first control potentiometer, a swiveling gear wheel segment which is coupled with the output shaft and which is connected to a push-pull cable the other end of which is connected to an operating lever of the engine, and adjusting motor coupled with the output shaft, an electronic control circuit for the adjusting motor, and a control mechanism connected to each control unit by means of an electric cable which is also connected to the electronic control circuit. The control mechanism has a second control potentiometer coupled to an operating handle, whereby the electronic control circuit compares the electric signals derived from the first and said control potentiometers and energizes the adjusting motors when the difference exceeds a given threshold value.
REFERENCES:
patent: 2171715 (1939-09-01), Sinclair
patent: 2404545 (1946-07-01), Stevens
patent: 2919772 (1960-01-01), Morse
patent: 3220281 (1965-11-01), Irgens
patent: 3640155 (1972-02-01), Waner et al.
patent: 4565529 (1986-01-01), Aertker et al.
patent: 4683778 (1987-08-01), Pfalzgraf
patent: 4730507 (1988-03-01), Kobelt
Herrmann Allan D.
Levi Benjamin
W. H. den Ouden N.V.
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