Patent ID: 6457394
Filing Date: 2002-10-01
Classification: A47K,Y10T

Abstract:
Apparatus for dispensing a paper wiping material, said apparatus comprising a housing, a feed reel of wiping material accommodated in an upper part of the housing, a supporting drum mounted between fixed internal side plates of said housing, said drum having a slot for receiving a serrated blade end of a cutter device, said cutter device including a pivotally mounted blade holder mounted within said drum, and a presser means for pressing on the exterior of the drum in order to feed and tension a strip of paper fed from said feed roll passing therebetween, said cutter blade being pivotally movable inside of said drum and moved by engagement of a toothed spur mechanism connected to said blade holder, said spur mechanism engaging with a fixedly mounted rack having a plurality of teeth, said rack being fixedly positioned on one of the side plates of the housing, wherein the improvement is characterized by:said toothed spur mechanism including an arm which pivots counter to an elastic return means relative to the blade holder, said arm including a curvilinear sector having a plurality of teeth which engage with the teeth of the fixed rack, said engagement defining an angular sector bounded by the initial contact area between the teeth of the fixed rack and the arm, the pivot axis of the toothed spur mechanism and the serrated cutting surface of the cutting blade which extends approximately 160 to 170Â°, wherein the arm of the toothed spur mechanism includes a base having a ring shape which enables said arm to be fitted rotatably on a pin projecting from a fixed boss fitted to or cast or molded with the blade holder, said elastic return means including a first end which is fixed to a tab on the blade holder and a second end which is fixedly mounted to said arm permitting an elastic interconnection between said arm of said toothed spur mechanism and said cutting device.