Material or article handling – Vehicle attached auxiliary carriers
Patent
1978-08-24
1980-12-30
Werner, Frank E.
Material or article handling
Vehicle attached auxiliary carriers
224310, 280289WC, 280647, 294 82R, 297 45, 297DIG4, 414542, B60R 900
Patent
active
042420300
ABSTRACT:
A self-loading, weather protected carrier for raising or lowering an object to and from the top of a motor vehicle and for transporting the object on a motor vehicle. The carrier comprises a horizontally disposed base adapted to be mounted on the roof of a motor vehicle and having a transverse guide affixed thereto, a carriage extendably carried by transverse guide and movable at a vehicle top level between a load/unload position and a travel position, a generally L-shaped tilt frame, pivotally mounted on carriage and rotatable between a generally upright position for loading and unloading the object and a generally horizontal position for storing the object on motor vehicle, a linkage mechanism attached to tilt frame and responsive to the carriage being extended into the load/unload position to rotate tilt frame to upright loading position, and a hoist mounted on the tilt frame for raising and lowering the object. The linkage mechanism includes a thrust rod having one end pivotally attached to tilt frame, an upstanding tilt/thrust rail affixed to the base and having at least one inclined section, a drive arm having a first end pivotally fastened to the other end of the thrust rod and a second end pivotally connected to the carriage, and tracking mechanism attached to the drive arm and contacting the tilt/thrust rail, for traveling along rail and displacing the drive arm in response to the horizontal extension of the carriage into the load/unload position.
REFERENCES:
patent: 3174636 (1965-03-01), Dempster et al.
patent: 3259396 (1966-07-01), Zamorn
patent: 3595409 (1971-07-01), Bowman-Shaw
patent: 3696953 (1972-10-01), Kim
patent: 3823839 (1974-07-01), Petzing et al.
patent: 3856342 (1974-12-01), Kelly
patent: 3878955 (1975-04-01), Udden
patent: 4083429 (1978-04-01), Abbott
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