BLANK FEEDING UNIT FOR A PACKER MACHINE AND PROVIDED WITH A POSITION REFERENCE ELEMENT
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United States of America Patent
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Issued Date -
Oct 26, 2023
app pub date -
Jul 8, 2021
filing date -
Jul 9, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A feeding unit to feed blanks in a packer machine having: a frame; a hopper for holding a stack of blanks, supported by the frame, and having a pick-up opening, through which one blank at a time can be retrieved from the stack; and a conveyor, supported by the frame, which moves the blanks along a moving path ending in the hopper. The feeding unit can be adjusted by a format change operation to accommodate blacks of different formats by changing the feeding unit from a first configuration for containing a first format of blanks, to a second configuration for containing a second format of blanks, different from the first format. The hopper has a reference element, which, in use, is placed in contact with the stack of blanks to establish reference positions for the blanks relative to the frame that do not move due to a format change operation.
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