A dispenser from which sheet material may be manually pulled from a supply of the sheet material carried on the dispenser through a passageway defined by a frame of the dispenser. The dispenser includes a cutting member having a sharp cutting edge adapted for transversely cutting the sheet material and...http://www.google.com.tw/patents/US6039102?utm_source=gb-gplus-share專利 US6039102 - Sheet material dispenser with safer sheet cutting means