Material or article handling – Self-loading or unloading vehicles – Separable load rack
Patent
1997-05-12
1999-08-24
Bucci, David A.
Material or article handling
Self-loading or unloading vehicles
Separable load rack
414494, B60P 164
Patent
active
059416769
DESCRIPTION:
BRIEF SUMMARY
OBJECT OF THE INVENTION
As expressed in the statement of this Specification, the present invention refers to a self-loading and unloading device for containers in trucks, trailers, articulated vehicles and the like, by which notable relevant and advantageous characteristics are offered in relation to the devices currently in existance for this purpose and which are of their own type.
The loading of the container is intended on anchorage of a coupling head on the lower front part of the container, conducting this operation without hindrance and in such a manner that said container is self-centered without having to overcome any type of step, on the contrary, performing the loading operation with complete smoothness and a minimum of effort from the traction device.
With this device, the "ISO" containers may be mounted on trucks, trailers, or articulated vehicles of any type, homologated for transport on roads or for services in harbor and railway terminals, as also in transportation centers, industries, plants and the like. This self-loading and unloading device may be also used in the interior of ships, ferries or rolons, etc.
BACKGROUND OF THE INVENTION
At present, there is in existance a loading and unloading device for containers, in which each one of the same must carry the corresponding additional frame, making the maneuvering enormously difficult, also being very expensive and entailing an excessive volume during storage keeping a minimum stock of said frames.
Another type of current loading devices does not require said additional frames, providing however, a complex structure for enabling the loading and unloading, since the side members of the rocking body carry telescopic elements and a series of levers and various axes which in short, create stresses, breaking of cables, etc. The connection of the container to the coupling head of the traction device is also complicated, making the assembly difficult to the operator.
In cases when on initiating the loading of the container, chafing, slips and wearing is produced apart from the breakage of the cables a solution is not given. It is necessary to center the vehicle with sufficient accuracy as regards the container to be loaded, so that the maneuver is conducted with satisfaction. Also, when extending the telescopic elements, it is necessary to elevate hydraulic elements on the posterior extremity, suspending the container so as not to create friction when losing the seating angle of the container in the rocking chassis.
DESCRIPTION OF THE INVENTION
In general lines, the self-loading and unloading device for containers on trucks, trailers, articulated vehicles and the like, which constitute the object of the invention, eliminates the previously indicated problems since it provides a robust structure which is at the same time extremely simple, performing different functions in an optimum manner on one single axis, versus the one on conventional systems which require different axis and levers. As may be seen hereto, the actual guide pulleys for commencement of the raising of the container easily produce the self-centering of the same.
It has been provided that in accordance with the invention, when the container loses the bearing angle on the angled cradle or rocking chassis, a rolling bearing platform elevates, so that the same slides easily with the traction of the coupling head.
The provision of a horizontal axis or shaft which is to be found connected to a coupling head at the lower front angles of the container, by means of traditional pins may be quoted as a basic functional characteristic of the proposed device. This coupling head naturally corresponds to the type of container used.
The central part of this horizontal shaft or axis may rotate freely as regards the ends of the coupling head when a coaxial axis passes through the same, being inserted on both sides of said central part of the axis, various of the rollers intended for bearing on the bands or rolling tracks provided to that effect on the angled cradle or rocking chassis, depend
REFERENCES:
patent: 3964626 (1976-06-01), Arregui
patent: 4352625 (1982-10-01), Bolderoff
patent: 4737063 (1988-04-01), van den Pol
patent: 5088876 (1992-02-01), Lifflander
patent: 5246329 (1993-09-01), Farrell
patent: 5460473 (1995-10-01), LaMora et al.
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