Steering system including tandem hydraulic cylinders with self-s

Details Steering system including tandem hydraulic cylinders with self-s Steering system including tandem hydraulic cylinders with self-s

1975-04-03

1977-02-08

Maslousky, Paul E.

Motors: expansible chamber type

Relatively movable working members with one having motive...

Synchronizing in response to sensed difference in positions

91189R, 60546, 60547, F01B 2504, F15B 1122

Patent

active

040066649

ABSTRACT:
The invention is especially suitable when front and rear wheels are hydraulically steered, each set by its own hydraulic cylinder, the two cylinders being connected in hydraulic tandem so that the same angularity of steering will be imparted to both sets of wheels. The self-synchronizing of the present invention overcomes a serious prior fault that occasionally a nonsynchronous relationship would develop. The present invention opens a synchronizing valve on the occasion of each extreme swing of the wheels. A check valve then ensures a synchronized return swing.

REFERENCES:
patent: 3636817 (1972-01-01), Shapiro
patent: 3648565 (1972-03-01), Probut et al.

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