Material or article handling – Device for emptying portable receptacle – For emptying contents thereof into portable receiving means
Patent
1994-01-27
1995-12-12
Bucci, David A.
Material or article handling
Device for emptying portable receptacle
For emptying contents thereof into portable receiving means
414498, 414517, B65F 304
Patent
active
054744130
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention relates to a vehicle for picking up and transporting refuse materials, the vehicle including a collecting container disposed on the vehicle behind the driver's cab. At its end toward the driver's cab, the collecting container is provided with a fill opening and with a pair of pivot arms that are provided with a pickup and dumping device for picking up at least one refuse container placed in front of the forward end of the vehicle so as to move the picked up refuse container over the top of the driver's cab and empty it in the region of the fill opening of the collecting container behind the driver's cab.
Vehicles of this type, so-called overhead loaders, are known, for example, from DE-AS [Published German Patent Application] 1,182,592, DE-AS 1,142,311 or DE-AS 1,226,053. Another variation is disclosed in US Pat. No. 4,096,959 in which, instead of a pair of arms, only one pivot arm is provided that is arranged at the side of the vehicle and is provided with a transverse beam extending transversely to the axial direction of the vehicle for picking up the refuse containers. The pair of pivot arms or the individual pivot arm, respectively, are either articulated to the vehicle frame behind the driver's cab and are given an arcuate or U-shape (DE-AS 1,182,592, DE-AS 1,142,311) or the pair of pivot arms is made of three parts and also articulated behind the driver's cab at the upper edge of the collecting container (DE-AS 1,226,053). The advantage of a so-called overhead loader is that the refuse containers can be picked up in the front region and thus in the viewing range of the driver. The prior art vehicles of this type, however, have the serious drawback that a considerable amount of clearance is required above the vehicle for pivoting and emptying the picked up refuse container, such space often not being available in cities, be it because of overhead streetcar conduits, telephone lines or also low tree branches which impede the pivoting process.
SUMMARY OF THE INVENTION
It is the object of the invention to configure a vehicle of the above-identified type in such a way that it can be emptied cleanly and the permissible clearance profile given by the collecting container disposed on the vehicle is exceeded only slightly even during pivoting and emptying of a picked up refuse collecting container.
This is accomplished according to the invention in that a beam is provided at the vehicle which is separate from the collecting container and is in communication with the vehicle chassis and to which is fastened the pair of pivot arms and its pivot bearing in the upper frontal region of the driver's cab. By arranging the pivot bearing of the pair of pivot arms in the upper frontal region of the driver's cab, particularly if a lower situated driver's cab is involved, much shorter pivot arms result compared to the prior art systems, which inevitably leads to a reduction in the clearance required for the pivoting process in the region above the driver's cab. However, the doors of the driver's cab remain freely accessible so that unimpeded access is possible at any time. Due to the provision of a separate beam, a structurally perfect connection is possible without interfering with the putting down of the collecting container.
A particularly advantageous feature of the invention provides that the device for picking up and dumping the refuse container, which is connected with the pair of pivot arms so as to be pivotal about a horizontal axis, is connected by means of at least one drive means with the pair of pivot arms which hold the refuse container connected with the pickup and dumping device in an approximately vertical orientation during the pivoting travel over the top of the driver's cab and controllable means are provided to tip the picked up refuse container.
In this way it is ensured that nothing can fall or flow out of the refuse container during the pivoting process so that the dumping of the picked up refuse container occurs only directly above the fill opening of
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