| 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).
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