Device for stacking of articles of which the upper most article of the stack is maintained automatically at a certain level
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United States of America Patent
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Mar 12, 1985
Grant Date -
N/A
app pub date -
Oct 12, 1982
filing date -
Jun 19, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Device for stacking of articles of which the upper most article of the stack is maintained automatically at a certain level. The device comprises a vertical container for the stack of articles, said container having an opening at the upper side around which an annular flange is arranged, on which a number of main tension springs is suspended, which support the body part of a carrier, whereas the supporting plane part of the carrier rests on the body part of the carrier by means of preferentially a single central helical compression spring, having a diameter approaching the main dimension of the carrier. The strength of this helical compression spring is weaker than that of the body springs, so that at loading with a stack of articles, the supporting plane moves down resiliently faster, and also a greater part of the carrier is used for the stack of articles and thereby an increase of capacity is obtained, with stable support for the stack of articles.
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