B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
180/55
B62D 55/06 (2006.01) B62D 7/14 (2006.01) B62D 61/10 (2006.01)
Patent
CA 1057205
POWER STEERING SYSTEM FOR HEAVY LOAD DOLLIES ABSTRACT OF THE DISCLOSURE A multiple dolly system for transporting large loads in which individual dollies are simultaneously power- steered through a fluid linkage steering control. Castered wheels of the dollies are steered by fluid power actuators having appropriate ones of their working chambers connected in parallel circuit arrangements, wherein ground reaction forces on the castered steerable wheels are equalized by the tendency of the parallel fluid circuits and actuator chambers to reach a balanced minimum pressure, and whereby the wheels, seeking a path of least resistance, are self- synchronizing in their steering displacements.
276993
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