US 3104043 A
Description (OCR text may contain errors)
Sept. 17, 1963 G. w. WYANT PAPER CUTTER FOR PAPER TOWEL DISPENSERS Filed May 18, 1960 United States Patent 3,104,043 PAPER CUTTER FOR PAPER TOWEL DISPENSERS Gerald W. Wyant, 4343 Mayfair Ava, Montreal, Quebec, Canada Filed May 18, 1960, Ser. No. 30,028
Claims priority, application Canada May 19, 1959 3 Claims. (Cl. 225--51) This invention relates to paper cutters and particularly to paper cutters incorporated in paper towel dispensers in which the paper towel is held firmly against unwinding from its roll 'while a length of towel is being cut off at the dispensing outlet.
The invention consists essentially in the provision of a pivoted cutting bar which presents no interference with the paper towel as it is drawn downwards out of the dispenser but on the towel being drawn up against the cutting bar for cutting off, the cutting bar will pivot and hold the paper towel firmly against the upper portion of the dispenser outlet while the towel is being cut across the lower cutting edge of the cutting bar.
The object of the invention is to provide a cutting bar for paper towel dispensers which will hold the towel firmly against unwinding from its roll while a length of towel is being cut off.
A further object of the invention is to provide a cutting bar which will not interfere with the operation of pulling a length of paper towel downwards through the dispenser outlet.
A further object of the invention is to provide means whereby soft tissue towelling can be cut evenly without pulling or distorting the soft tissue as it comes off the roll in a towel dispenser.
These and other objects of the invention will be apparent from the following description and the accompanying drawings, in which:
FIG. 1 is a front elevation of a paper towel dispenser and showing a portion of towel hanging from the dispenser.
FIG. 2 is a vertical section on the line 22 of FIG. 1 showing a roll of paper towel in the dispenser with the towel threaded through the dispenser outlet.
FIG. 3 is an enlarged partial section on the line 3-3 of FIG. 1 and showing the paper towel threaded through the dispenser outlet as in FIG. 2.
FIG. 4 is a view similar to FIG. 3 but showing the free end of the paper towel pulled up against the pivoted cutting bar with the cutting bar holding the towel firmly against the top inner lip of the dispenser outlet.
Referring to the drawings, the paper towel dispenser may be of any convenient shape or size and is here shown as having a front wall 5, side walls 6 and a rear wall 7. The rear wall 7 is secured by spot welding or other means against the flanged extensions 8 of the side walls 6. The front wall is cut off at 9 to provide an opening 10 extending across the full width of the dispenser. The single sheet of metal forming the rear wall 7 is bent forwardly to provide the sloping bottom wall 11 and is then bent downwardly to form the rear wall 12 of the towel dispensing throat 13 which is spaced rearwardly from the plane of the front wall 5.
A cover 14 for the towel dispenser is hinged at 15 to the rear wall 7, and a lug 16, secured to the rear surface of the front wall 5, projects upwards through a slot 17 in the cover. This lug 16 has an aperture 18 to receive a padlock or other device for locking the cover in place.
A cutter bar 19 is in the form of a flat plate having its bottom horizontal edge serrated at 20. The cutter bar 19 is supported by the pins 21, welded to its rear surface with the pins 21 projecting through the side walls 6 to support the cutter bar in a vertical plane flush with the inner surface of the front wall 5. The pins 21 are located on the bar 19 at a height slightly more than half the vertical height of the bar, so that the bar is overbalanced with the weight of that portion of the bar below the pins 21 greater than that of the bar above the pins. This overbalance of the bar 19 ensures that the bar will hang vertical as shown in FIGURES 2 and 3. When the cutter bar 19 hange vertical in the position shown in FIGURES 2 and 3, it forms the front wall of the towel dispensing throat 13 at a distance spaced from the wall 12 as to offer no interference with the towel as it is pulled down through the throat.
The top edge 22 of the cutter bar .19 is prevented from pivoting forwardly by contact :with the lower inner surface of the front wall 5, but is free to pivot rearwardly to the limit of the bend 23 at the intersection of the bottom wall 11 with the rear wall 12 of the towel dispensing throat 13, the bend 23 acting as a stop for the bar 19.
The roll of paper towelling 24 is supported on the two tube rollers 25 which in turn are supported by the rods 26, mounted between the side walls 6 of the dispenser. The free end 27 of the roll of paper towelling 24- is passed over the roller 25 adjacent the front wall 5 and thence down through the towel dispensing throat 13.
The rear wall 12 of the dispensing throat 13 is provided with a vertically disposed slot 28, and the cutter bar 19 has a vertically disposed slot 29'. The slots 28 and 29 overlay each other and permit the end 27 of the towel to be finger gripped back and front and pulled down through the throat 13.
In the operation of the towel dispenser above described, the end 27 of the towel is first threaded down through the throat 13 and, when a sufficient length of towel has been drawn down through the throat, the towel is given an upward pull against the lower half of the cutter bar 19. This has the effect of pivoting the cutter bar about its pivot mounting pins 21, forcing the upper half of the cutter bar rearwardly to pinch the paper towel between it and the bend 23, as shown in FIGURE 4. Further upwards and sideways pull on the paper towel causes the towel to be out along the serrated edge 20 of the cutter bar 19. After the towel has been cut, the pressure on the bar 19 is released and the bar immediately pivots back into the vertical position, leaving sufficient towel in the throat 13 so that it can be finger gripped and pulled down through the throat. By holding the paper towel firmly between the cutter bar 19 and the bend 23, across the full width of the towel, the towel between the cutter bar and the roll 24 will retain a proper degree of tension.
hTe above described device has proved particularly suitable for the dispensing of soft multi-layer tissue which normally cannot withstand even a slight degree of pulling. The soft multi-layer tissue, when pinched between the upper half of the cutter bar 19 and the bend 23, is held with sufiicient pressure so that there is little or no stretch of the tissue between the line of pinch and the cutting edge 20, with the result that the tissue can be cut neat and clean.
What I claim is:
1. A paper towel dispensing cabinet having a vertically disposed towel dispensing throat, the said cabinet having a bottom wall bent downwardly into a vertical plane adjacent the front of the cabinet to form the rear wall of the cabinet dispensing throat, and having a front vertical wall whose lower edge is located adjacent to and spaced above and forwardly of the bend in the bottom Wall of the cabinet, and a cutter bar extendingg below the lower horizontal edge of the said front wall and forming the front wall of the cabinet dispensing throat, the said cutter bar being pivotally mounted in a plane parallel with the inner facing surface of the front vertical Wall of the cabinet and being bias weighted to maintain a normally vertical front Wall position of the dispensing throat and maintain contact with and form a downward extension of the front wall of the cabinet, the said cutter bar taking up a pivotal position to hold the towel being dispensed against the bend of the bottom Wall of the cabinet when a length of towel is being cut against the cutter bar.
2. A paper towel dispensing cabinet as set forth in claim 1, in which the top horizontal edge of the cutter bar extends above the lower edge of the cabinet front wall to close the front of the cabinet and dispensing throat when the said cutter bar is in the vertical position.
3. A paper towel dispenser cabinet, the said cabinet having a pair of side Walls, a front vertical wall and a bottom horizontal wall, the said bottom horizontal Wall having a forward portion thereof bent downwardly into a plane parallel with and spaced reanwardly of the said front vertical wall, the lower horizontal edge of the said front vertical wall being spaced slightly above the bend in the said bottom wall, and a cutter bar pivotally mounted in the said side walls in a plane parallel with the inner facing surface of the said front vertical wall and being bias eighted to maintain a normally vertical position and having an upper horizontal portion of its surface in contact with the inner face of the lower horizontal portion of the said front vertical wall, the said cutter bar and the bent over portion of the said bottom wall together forming a towel dispensing throat for the cabinet, the said cutter bar taking up a pivotal position to hold the towel being dispensed through the throat of the cabinet against the bend of the said bottom wall when a length of towel is being out against the bottom horizontal edge of the cutter bar.
References Cited in the file of this patent UNITED STATES PATENTS 496,754 Streeter May 2, 1893 1,008,192 Olin Nov. 7, 19 1 1,131,591 Baker Mar. 9, 1915 1,515,238 Baker Nov. 11, 1924 2,132,177 Mezoif Oct. 4, 1938 2,138,338 Casasco Nov. 29, 1938 2,177,430 Greisler Oct. 24, 1939 2,746,546 Taylor May 22, 1956 3,040,943 Bump June 26, 1962