Machine element or mechanism – Control lever and linkage systems – Multiple controlling elements for single controlled element
Patent
1991-11-06
1993-10-05
Friedman, Carl D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlling elements for single controlled element
74483K, 74491, 192 094, 192 11, 192 154, G05G 1100
Patent
active
052494802
ABSTRACT:
The present invention is directed to a controller having a power handle to control both the propulsion function and the braking function, and a reverser handle to control the direction in which the locomotive travels. The power handle is operatively connected to a propulsion and brake control device which controls the propulsion and braking functions of the locomotive, while the reverser handle is operatively connected to a reverser control device which controls direction of travel. The propulsion and brake control device preferably includes a propulsion controller to control the propulsion function of the locomotive, a braking controller to control the braking function and an indexing mechanism to independently operate either the propulsion controller or the braking controller. The indexing mechanism preferably includes a drive gear operatively connected to the propulsion controller via a first lost motion device which controls the propulsion function when the power handle is moved in a first direction and to the braking controller via a second lost motion device which controls the braking function when the power handle is moved in a second direction. In order to insure mutually exclusive movement of either the propulsion controller or the braking controller, a throttle-brake interlock is preferably provided. Additionally, in order to provide tactile feedback to the user on the movement of the power handle, a detent mechanism is preferably provided.
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Bendig John B.
Harmon Kevin E.
Mahoney Dennis
Friedman Carl D.
General Electric Company
Payne R. Thomas
Yip Winnie
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