Material or article handling – Load-transporting type vehicle and external means... – Involving movement of load by gravity from wheeled vehicle
Patent
1985-09-17
1988-02-09
Paperner, Leslie J.
Material or article handling
Load-transporting type vehicle and external means...
Involving movement of load by gravity from wheeled vehicle
280419, 280492, 298 5, 298 20R, B65G 6730
Patent
active
047238879
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a load carrying and tipping vehicle.
In one form the invention resides in a load carrying and tipping vehicle adapted to be coupled to a motor vehicle having a power-operable vertically movable part, said load carrying and tipping vehicle comprising: a load carrying portion tippable in a vertical plane parallel to a direction of travel of the load carrying vehicle for discharging a carried load therefrom; and coupling means for releasably coupling the load carrrying portion to the vertically movable part of the motor vehicle, said coupling means providing a pivotal connection between said vertically movable part and the load carrying portion about a first substantially horizontal pivot axis transverse to said direction of travel, wherein upward movement of said vertically movable part effects tipping of the load carrying portion.
Preferably, the load carrying portion has two opposed ends aligned with said direction of travel, said coupling means being disposed at one of said ends.
Preferably, the coupling means comprises first engaging means associated with the load carrying portion, and second engaging means associated with said vertically movable part of the motor vehicle, and adapted to co-operate with the first engaging means, said first and second engaging means providing said pivotal connection about said first pivot axis.
Preferably, the coupling means further comprises a coupling frame supporting the first engaging means and pivotally mounted on the load carrying portion at or near said one end thereof for pivotal movement about a second pivot axis parallel to said first pivot axis, said coupling frame having an engaging portion engagable during the latter part of tipping movement with the vertically movable part of the motor vehicle for maintaining the attitude of the coupling frame substantially constant relative to the vertically movable part.
Preferably, the load carrying portion has a ground engagable portion at the end thereof opposite said one end, the ground engagable portion being adapted to engage the ground in the latter part of tipping of the load carrying portion whereby the load carrying portion may pivot on the ground surface. The ground engagable portion is preferably of arcuate configuration whereby it may roll on the ground surface.
Preferably, the load carrying portion is supported for movement across the ground surface on a pair of co-axial wheels. The wheels are preferably steerable by means of a steering mechanism which is adapted for operative connection to the steering system of the motor vehicle, said operative connection including a pivotal yoke and a pivotal spigot engagable in the yoke, the yoke and spigot being adapted for operative movement along a line substantially co-incident with said first pivot axis.
Preferably, the motor vehicle comprises a front end loader the loading bucket of which constitutes said vertically movable part. With this arrangement, the front end loader may be used to load material into the load carrying portion of the load carrying and tipping vehicle. After the loading operation the front end loader may be coupled to the load carrying and tipping vehicle and then utilised to either push or pull that vehicle to a location at which the carried material is to be dumped. To effect tipping, the bucket of the front end loader is raised.
The invention will be better understood by reference to the following description of two specific embodiments thereof as shown in the accompanying drawings in which:
FIG. 1 is a schematic view illustrating a load carrying and tipping vehicle according to the first embodiment in a stationary position;
FIG. 2 is a schematic view illustrating the load carrying and tipping vehicle of the first embodiment in a transport position;
FIG. 3 is a schematic view illustrating the load carrying and tipping vehicle of the first embodiment in a tipping position;
FIG. 4 is a side elevational view of the load carrying and tipping vehicle of the first embodiment;
FIG. 5 is an elevational view of the load carry
REFERENCES:
patent: 1629721 (1927-05-01), Malmgren
patent: 2174493 (1939-09-01), Vanderwerf
patent: 2189079 (1940-02-01), Mueller et al.
patent: 2612385 (1952-09-01), Piltz
patent: 2772918 (1956-12-01), Klinger
patent: 3478902 (1969-11-01), Anderson et al.
European Patent Application No. 0079088; published May 18, 1983.
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