Motor vehicles – Surface effect vehicles – Dynamic seal or fluid curtain
Patent
1976-01-02
1976-11-23
Wood, Jr., M. H.
Motor vehicles
Surface effect vehicles
Dynamic seal or fluid curtain
91412, 60468, 60494, B62D 506
Patent
active
039931587
ABSTRACT:
A device for limiting in a contact-free manner the movement of hydraulically operable mechanical elements, especially for bucket wheel loaders. The device includes a front carriage and a rear carriage. One approaching initiator each is provided on that portion of the front carriage which faces the rear carriage, and the arrangement is such that when turning the steering wheel and when the front carriage angularly approaches the rear carriage, a pertaining thyristor is triggered so that a magnetic valve is energized which through hydraulic control conduits communicates with the tank.
REFERENCES:
patent: 2841231 (1958-07-01), Armington
patent: 3385389 (1968-05-01), Symons et al.
patent: 3451498 (1969-06-01), Molby
Warnke Heinz-Walter
Weight Armin
Becker Walter
O & K Orenstein & Koppel Aktiengesellschaft
Schrecengost R.
Wood, Jr. M. H.
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