Material or article handling – Self-loading or unloading vehicles – Conveyor
Patent
1982-04-23
1984-10-09
Sheridan, Robert G.
Material or article handling
Self-loading or unloading vehicles
Conveyor
180291, B65F 300
Patent
active
044758626
DESCRIPTION:
BRIEF SUMMARY
Vehicle for the temporary storage of waste, especially domestic refuse, comprising a collecting section for providing a storage space with generally rectangular section and substantially the same dimensions as the vehicle, said collecting section is provided with a standing plate reciprocable in said storage space by a drive unit for movement of said plate between a first position and a second position in the longitudinal direction of the vehicle in order to adapt said storage space of said collecting section to the volume of the waste stored in said space.
Accordance to existing technology, refuse, especially domestic refuse, is collected in a vehicle with a separate chassis onto which a collecting container is built. This is generally open to the rear, to work in conjunction with a feeding device. A vertical plate is provided in the container and this plate is moved in the longitudinal direction of the container by a drive unit. The movement of the plate is used for regulating the storage volume of the container and for discharging the contents of the container. The necessary reaction force for the compression of the refuse while it is being fed into the containing section is provided by adjusting the storage volume to the quantity of refuse. To discharge the refuse, the feeding device is moved out of the way by means of a moving unit, after which the plate presses out the refuse. The drive unit for the vertical plate is mounted in the collecting container, adjacent to the front wall of the container, so the vertical plate can be moved towards the front wall to a location, the distance of which from the front wall corresponds to the contracted length of the drive unit. Consequently, there is always a space at the front of the container that cannot be used for the storage of refuse.
The existing technology, involving the use of a vehicle, on the chassis of which additional equipment is built to receive refuse, results in a disproportionate part of the total weight of the vehicle being the unladen weight of the vehicle. The ratio of the load to the total weight of the vehicle is therefore small. Heavy deadweight and unutilized transport space naturally imply inferior handling economy.
One additional disadvantage in employing existing technology is that the centre of gravity of the vehicle is located at a high level, which detracts from the driving characteristics of the vehicle. The combination of a chassis with the collecting container built onto it contributes to the high level of the centre of gravity.
A further disadvantage of existing technology is that the collecting container is located relatively far to the rear of the vehicle, which, together with the loaction of the feeding device, at the opening of the container, i.e. far behind the rear axle of the vehicle, results in an unfavourable location of the centre of gravity of the vehicle, much too near the rear axle of the vehicle. Consequently, the axle loads are unsuitably distributed between the rear axle and the front axle. Because of axle load regulations, the maximum permissible load of the vehicle is reduced as a result of this distribution.
Refuse vehicles now in use are also difficult workplaces for refuse workers. The cab is at a high level and the driver is forced to make ergonomically incorrect movements to enter and leave the driver's seat on the many occassions this is required.
This invention is for a vehicle for the temporary storage of refuse, in which the disadvantages listed above have been eliminated.
According to the invention the collecting section of the vehicle is comprising a bottom part, said bottom part constitutes the frame of the vehicle and carries a number of front wheels below the first position of the standing plate and a number of rear wheels below the second position of said verticle plate, which bottom part being extended in front of a front wall of said collecting section and also the first position of said standing plate for supporting a driver's compartment, an engine, tanks for fuel and hydraulic oil and other
REFERENCES:
patent: 3161305 (1964-12-01), Ferrari et al.
patent: 3198355 (1965-08-01), Kamin
patent: 3486646 (1969-12-01), O'Brien et al.
patent: 4057010 (1977-11-01), Smith
Kyander Aarno
Paulsson Bertil
B.A. Innovation Aktiebolag
Sheridan Robert G.
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