Electromagnetic bucket positioner for loader vehicles

Details Electromagnetic bucket positioner for loader vehicles Electromagnetic bucket positioner for loader vehicles

1976-12-02

1978-07-11

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Valve locking means

91413, 91414, 214762, F15B 1316, F15B 1116, F15B 1306

Patent

active

040994490

ABSTRACT:
An electromagnetic bucket positioner having an electromagnet disposed to selectively latch, when energized, a directional control valve of a bucket positioning system. The electromagnet is arranged in such a manner that only when a manually operable control lever is shifted to a rack-back position, the electromagnet serves to latch the control lever in the rack-back position. A normally-closed electric switch is provided and is adapted to be opened upon selected movement of the piston rod of a hydraluic cylinder associated therewith, so as to interrupt electric current flow to the electromagnet, de-energize the same and release the control lever. A loose spring device is provided in the system to facilitate movement of the control lever from the rack-back position if and when desired.

REFERENCES:
patent: 3667723 (1972-06-01), Schneider
patent: 3782248 (1974-01-01), Fuzell
patent: 3823647 (1974-07-01), Campbell

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