Weighing scales – Weigher responsive material control – Feed
Patent
1977-05-19
1978-08-22
Miller, Jr., George H.
Weighing scales
Weigher responsive material control
Feed
177208, 100 99, G01G 1302, G01G 504, B30B 1500
Patent
active
041082613
ABSTRACT:
A refuse loading station comprising a refuse packer assembly, a refuse container and a loading dock disposed in front of the packer assembly. The loading dock includes a track arrangement on which is mounted a loading carriage for limited movement toward and away from the packer assembly. The carriage is structured for removably supporting the refuse container. A refuse clearing member is provided for clearing refuse situated between the packer assembly and the container subsequent to said container being loaded. A power actuable mechanism is provided on the loading dock for reciprocating the carriage to shift the container toward the packer assembly to a refuse loading position, and to shift the container away from the packer assembly to a container removal position. The carriage is movably mounted on a weighing mechanism which provides an indication of the weight of the container when the container is in a refuse loading position. The weighing mechanism is operably coupled to the packer assembly for controlling the loading of the container in accordance with a preselected container weight. The container is advanced to a refuse loading position allowing locking hooks to be moved to a locking position. Then the container is backed-off to bring the container into firm engagement with the locking hooks to minimize vibration during loading. The container includes a vertically slidable closure. The clearing member includes a cutter edge for severing refuse, and an inclined refuse deflecting surface located under a bottom edge of the closure when the container is in a refuse loading position. The refuse clearing member includes a mechanism for partially raising the closure in response to movement of the container to a refuse loading position so as to locate the bottom edge of the closure above the deflecting surface. Power actuable mechanism is provided for raising and lowering the clearing member. When the clearing member is raised it contacts and raises the closure, and when the clearing member is lowered it contacts and lowers the closure. Loading of the container is achieved by inserting refuse into the container by a reciprocable packer head. As loading progresses, an ejector head of the container is urged rearwardly by the oncoming refuse. Mechanically induced friction forces are applied to the ejector head to resist such movement and thereby regulate the degree of compaction of the refuse which ensues. An electric control circuit is operably connected to power actuable devices for reciprocating the carriage, the refuse clearing member, and the refuse packer head. An electric test circuit is also provided which enables these power actuable devices to be actuated independently of the control circuit for test purposes. The control circuit is arranged to automatically reciprocate the packer head during a first mode of operation wherein the packer head, during a forward stroke, is advanced beyond the path of travel of the clearing member. Subsequently, a power-assist mechanism is actuated to increase the magnitude of the forward packing forces of the packer head during a subsequent mode of operation.
REFERENCES:
patent: 3522854 (1970-08-01), Liedtke
Goranson Paul L.
Liberman Harvey W.
Ratledge, Jr. R. Houston
Salyers John C.
Carrier Corporation
Curtin J. Raymond
Daley Donald F.
Miller Jr. George H.
Sensny John S.
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