Material or article handling – Apparatus for moving intersupporting articles into – within,... – Removes intersupporting article from row
Patent
1997-01-14
1998-07-28
Krizek, Janice L.
Material or article handling
Apparatus for moving intersupporting articles into, within,...
Removes intersupporting article from row
271 311, 414737, B65H 308
Patent
active
057854882
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
Machine readable postal zip codes indicated on mailings such as letters, post cards, packages and the like as identifier for a place, a delivery area, a P.O. box or a bulk recipient enable a fast distribution of the mail by machine. The sorting of incoming mail shipments ensues, for example, with the assistance of controllable unit load carriers that are loaded with a respective mail shipment in specific loading locations and that then deliver this mail shipment to a sorting container allocated to the respective postal zip code or to a corresponding sorting bay. Since the sorting containers or sorting bays can be arranged in different levels, the unit load carriers circulating at conveyor devices must also potentially be able to bridge different heights. After delivering the mail shipment to the allocated sorting container or the allocated sorting bay, the empty unit load carriers can be loaded again with a mail shipment when they pass a loading location. The loading of the unit load carriers ensues, for example, with the assistance of a circulating impeller wheel whose blades form cells that pick up the unit load that has already been separated and arrives on a conveyor means and deliver it to the circulating unit load carriers. The separation and the transfer of the unit load to the conveyor means leading to the impeller wheel must thereby be undertaken with a relatively high precision adapted to the processing speed of the overall sorting means.
DE-A-36 06 093 or, respectively, the corresponding EP-A-0 234 228 discloses an apparatus for separating and erecting folding boxes that has a supply magazine for folding boxes, a removal device with circulating suction grabs, an endless conveyor means with dogs and nozzles that are arranged to the side of the conveyor means for inflating the conveyed folding boxes. The suction grabs successively pull the folding boxes from the magazine in the direction of the extent of the folding boxes and transfer these to the conveyor means lying flat on an arcuate path. Arcuately curved guide rails are allocated to the rotational path of the suction grabs behind the magazine for guiding the chains of the conveyor device and the folding boxes in the arcuate path.
Given the apparatus described above, the magazine is placed at an angle of about 45.degree. relative to the horizontal and has a floor, two sidewalls and two rods limiting the front side at which the stack of folding boxes is supported. A retainer nose that can be moved up and down in clocked fashion is allocated to the front end of the floor, this retainer nose retaining the folding box offered in a lower fetching position of the magazine at the lower edge thereof. For removing the folding box offered in the lower fetching position of the magazine, the folding box is seized by the suction grabs and is pulled obliquely down from the stack over the retainer and sliding on the rods.
DE-A-2 547 132 discloses a rotation conveyor means that comprises a supply magazine for cartons or similar flat articles, a removal means having two suction grabs rotating at a rotor and an endlessly circulating conveyor belt having compartments arranged in uniform division for accepting the separated cartons. Here, too, the magazine is placed at an angle of about 45.degree. relative to the horizontal and has a floor and two sidewalls. Two retainer plates on which the stack of cartons is supported are arranged at the front end of the magazine. The carton respectively offered in a lower fetching position of the magazine is then seized by a suction grab of the removal means, is pulled off from the stack over the front edge of the floor, is conveyed on a flat, arcuate path to the conveyor belt and is transferred to one of the compartments thereat. The flat, arcuate path of the suction grab derives in that the rotor turns not only around its own axis but, as a component part of a planetary gear, also turns around a second axis aligned parallel to the rotor axis.
DE-C-3 317 073 discloses a supply magazine for the acc
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Raschke Josef
Schuster Rudolf
Krizek Janice L.
Siemens Aktiengesellschaft
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