device for the automatic opening apriborse grants in pla - some in cases of supermarkets incorporating machines providing bags

摘要

Bag opening device for supermarket check-out counters incorporating bag dispensing machines, comprising a pair of pliers mounted on as many guides capable of a reciprocating horizontal motion, said pliers being suitable to grasp and pull apart the two opposite sides of a bag fed by feeding belts; each pliers (1, 2) consists of a pair of jaws (9, 9 min and 11, 11 min ) meshing with each other by means of a pair of toothed wheels (13, 13 min and 14, 14 min ) and pushed towards each other by a compression spring (16, 17) placed between two of their ends, one of the said ends of each pliers being provided with a roller (18, 19) which by interacting with a suitable opening device counteracts the force of the compression springs (16, 17), making the jaws (9, 9 min and 11, 11 min ) of each pliers (1, 2) open. IMAGE