Loader for signatures, sheets and similar products, for the feeders of packaging machines, bookbinding machines and the like
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United States of America Patent
Stats
-
May 13, 1986
Grant Date -
N/A
app pub date -
Apr 2, 1985
filing date -
Apr 9, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A loader for box-type feeders of packaging machines, bookbinding machines and the like, in which the products are loaded into a feed channel with an inclined base formed by a conveyor belt, to be brought into contact with a counteracting plate. Sucker arms cyclically withdraw one product at a time and transfer it to wheels provided with grippers which insert the product between pairs of belts by means of which the product is transferred until it discharges into the feeder box. Feeler elements cyclically determine the thrust of the products in the feed channel and enable the conveyor belt to advance through one step when the thrust is smaller than a predetermined value, whereas they prevent said advancement when the thrust is greater than said value.
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