Dispenser

摘要

A dispenser for repeatedly discharging a predetermined length of a continuous web of material, especially paper towels, comprises a feed roller (14) with the continuous web of material wound thereon and a cutting drum (20) incorporating a cutting device (24, 32), the continuous web of material being directed in contact to at least part of the cutting drum (20). The dispenser is characterized in that the cutting device (24, 32) comprises at least two cutting knives (24) with cutting blades (26), which cutting blades (26) are operable between an active, extended position projecting beyond the outer circumferential surface of the cutting drum (20), and an inactive retracted position; wherein each cutting knife (24) is provided with a cam follower (44) engaging a stationary cam path (46) of a camming mechanism (40).

主权项

1. A dispenser for repeatedly discharging a predetermined length of a continuous web of material, the dispenser comprising:
a feed roller with the continuous web of material wound thereon; a cutting drum incorporating a cutting device, the continuous web of material being directed in contact with at least part of the cutting drum; the cutting device comprises at least two cutting knives with cutting blades, which cutting blades are operable between an active, extended position projecting beyond the outer circumferential surface of the cutting drum, and an inactive, retracted position; a camming mechanism having a stationary cam path, the camming mechanism attached to the cutting drum; each cutting knife is provided with a cam follower engaging the stationary cam path of the camming mechanism; the at least two cutting knives are positioned diametrically opposite to each other relative to the cutting drum; and the dispenser further comprises an elastic element arranged to rotate the cutting drum into one of two distinct equilibrium positions and to hold the cutting drum in the rotated position.