Bag opening device for automatically opening plastic bags in supermarket check-out counters incorporating bag dispensing machines
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United States of America Patent
Stats
-
Sep 1, 1992
Grant Date -
N/A
app pub date -
Jul 26, 1991
filing date -
Aug 1, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bag opening device for supermarket check-out counters incorporating plastic bag dispensing machines, comprising two slides capable of mutual approaching and departing motion along a horizontal rail in a symmetrical direction with respect to a central position where the plastic bag to be opened is located; on each slide (7,8) is mounted a pair of rollers (1, 1' and 2, 2') in contact with each other, said pair of rollers being operated by a motor-reducer (13, 13') so as to simultaneously rotate the rollers of one pair in an opposite direction compared with the rollers of the other pair, said pairs of rollers being apt to come in contact with the opposite sides of a plastic bag (12) for grasping the sides and then pulling the sides apart, and subsequently to rotate in the opposite direction for releasing the sides of the bag from the grip of the rollers.
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