Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...
Patent
1985-10-30
1988-01-26
Spar, Robert J.
Material or article handling
Self-loading or unloading vehicles
Loading or unloading by other carrier or mover means, and...
212 73, B60P 154
Patent
active
047214317
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a self loading system that can be fitted to truck bodies, trailers, semi-trailers or special trailers to load or unload heavy items such as containers, crates, bins, machinery, motor generating sets or the like.
Usually in the loading of large items such as mentioned above onto truck bodies, semi-trailers or the like, special cranes are provided which are necessary to be brought to the site for the loading operation.
It is an object of this invention to provide a fully self-contained system which is mounted on the vehicle so that large items such as containers can be loaded onto the trailer or vehicle and unloaded therefrom as desired without the requirement for any additional crane or loading apparatus.
Thus there is provided according to the invention a self-contained apparatus for a transport vehicle, the system comprising lifting means mounted on the transport vehicle at each end of the container or goods to be loaded, each lifting means comprising a lifting post adapted to move transverse of the vehicle on a guide track, means to extend the guide track from the side of the vehicle, means to move the lifting post to a central position of the container or goods to be lifted, means attaching the lifting post to the goods or container, and means to move the lifting post together with the goods or container onto the guide track extension, at which point the goods or container can be lowered to the ground.
In order to more fully describe the invention reference will now be made to the accompanying drawings in which:
FIG. 1 is a partial side elevation of one of the units,
FIG. 2 is partial plan thereof,
FIG. 3 is a cross-section of part of the unit,
FIG. 4 is an end view of the supporting leg,
FIGS. 5 to 10 show a sequence of unloading, and
FIG. 11 shows the transfer to another vehicle.
As shown in the drawings, a container 1 is shown on a truck body or trailer. The apparatus as shown in FIGS. 5 to 11 of the drawings is from the rear of the vehicle, and it will be realised that a similar apparatus is located at the front of the vehicle to lift and control the front of the container. The apparatus has a base 2 which is mounted and bolted to the truck or trailer deck to a strengthening member or column beneath the deck and is welded into position through the truck or trailer chassis beams.
The apparatus includes a telescopic lifting post 3 which is controlled by a lifting post ram 4, the post being adapted to be moved transversely of the vehicle by hydraulic rams 5 and 6, the post sliding in a track 7.
The ram 5 is connected to a bracket 8 mounted on a pivoted track extension 12 pivoted by a pivot 13 to a slide 9, the bracket 8 being adapted to be locked by a locking pin 14 to the base 2 through bosses 14a and 14b. It will be seen that actuation of the ram initially pivots the track extension 12 from an upright position as shown in FIG. 1 to a horizontal position shown in FIGS. 6 to 11.
The other end of the ram 5 is connected to the slide 9 adapted to slide on the base on the track 7, with the ram 6 being connected between a bracket 9a on the slide 9 and a support 10 for the lifting post.
The track extension 12 has pivoted thereto a stabilising leg 15 which when the track extension is lowered, is adapted to be swung downwardly so that its adjustable foot is adapted to rest on the ground.
After the track extension has been lowered and locked in position by locking pins, the ram 5 is again actuated to move the lifting post to the centre of the vehicle or the centre of the container to be lifted, the rams 5, 6 and slide 9 sliding in the track 7.
Lifting chains 17 are then attached to the lower ends of the container, these passing over a support pad 18 at the top of the container 1. The lifting post ram 4 is extended and the chain lengths 17 are so adjusted that there is still sufficient extension of the lifting post ram 4 to lift the container 1 from the vehicle, and later to lower the container 1 onto the ground as later described.
Referring to FIG. 8 it will be seen that the ram 5 has
REFERENCES:
patent: 2437806 (1948-03-01), Dempster
patent: 3586183 (1971-06-01), Shaffer
patent: 4219122 (1980-08-01), Blatchford
patent: 4385861 (1983-05-01), Blatchford
patent: 4518304 (1985-05-01), Blatchford
Millman Stuart J.
Spar Robert J.
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