Motor vehicles – Surface effect vehicles – Dynamic seal or fluid curtain
Patent
1976-11-23
1978-12-26
Pekar, John A.
Motor vehicles
Surface effect vehicles
Dynamic seal or fluid curtain
60405, B62D 508
Patent
active
041311779
ABSTRACT:
A dual steering system for vehicles, particularly for large and heavy off-highway vehicles, wherein a back-up steering system is provided for safety purposes. Dual hydraulic systems are provided and coordinated whereby in the event the primary steering system fails for any reason, the back-up steering system automatically assumes the entire steering operation, thus providing a safety feature for the vehicle.
REFERENCES:
patent: 3509958 (1970-05-01), Lang
patent: 3602326 (1971-08-01), Garrison
patent: 3865211 (1975-02-01), Liebert
patent: 3896617 (1975-07-01), Kraina
Bartley Francis A.
Goodbary Edgar R.
Goodbary Engineering Company
Pekar John A.
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