Hydraulic system for a mobile transport vehicle that supports an

Details Hydraulic system for a mobile transport vehicle that supports an Hydraulic system for a mobile transport vehicle that supports an

1985-07-11

1987-06-09

Oresky, Lawrence J.

Material or article handling

Load-transporting type vehicle and external means...

Means serves to align wheeled vehicle and load receiving or...

5 63, 5 81R, 5424, 414284, 414663, A61G 1300, B65G 106

Patent

active

046717285

ABSTRACT:
A hydraulic system for a mobile vehicle that supports and positions a load relative to a docking structure, such as a patient relative to a medical diagnostic apparatus. The mobile vehicle includes a wheeled base, a carriage on the base, a hydraulic cylinder for raising and lowering the carriage relative to the base, a load supporting cradle slidably mounted on the carriage for movement in a longitudinal direction between an operative extended position and an inoperative retracted position on the carriage, and a hydraulic system for controlling the operation of the vehicle and its components. The vehicle includes co-operating members on the base and on the docking structure for properly aligning and positioning the vehicle with respect to the docking structure. The movement of the carriage may be accomplished either manually through a foot pump or through a hydraulic power interlock between the vehicle base and docking structure which is engageable upon docking. The carriage, however, may only be lowered if the cradle is in its inoperative position completely on the carriage. A latching mechanism atuomatically locks the vehicle to the docking structure upon docking and may only be unlatched so that the vehicle may be undocked if the cradle is in its inoperative position completely on the carriage. The latching mechanism also automatically actuates a cradle release mechanism so that the cradle may be slid on the carriage. A second cradle locking mechanism is also provided which may only be unlocked when the carriage has been raised to the proper height with respect to the docking structure.

REFERENCES:
patent: 3519150 (1970-07-01), Keenan et al.
patent: 3814414 (1974-06-01), Chapa
patent: 3880299 (1975-04-01), Zollinger et al.
patent: 4265583 (1981-05-01), Baird et al.
patent: 4360167 (1982-11-01), Beccalori et al.

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