CA2256105A1 - Dispenser for rolled sheet media - Google Patents
Dispenser for rolled sheet media Download PDFInfo
- Publication number
- CA2256105A1 CA2256105A1 CA 2256105 CA2256105A CA2256105A1 CA 2256105 A1 CA2256105 A1 CA 2256105A1 CA 2256105 CA2256105 CA 2256105 CA 2256105 A CA2256105 A CA 2256105A CA 2256105 A1 CA2256105 A1 CA 2256105A1
- Authority
- CA
- Canada
- Prior art keywords
- roll
- frame
- sheet media
- slots
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
- A47K10/32—Dispensers for paper towels or toilet-paper
- A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
- A47K10/38—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
- A47K10/32—Dispensers for paper towels or toilet-paper
- A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
- A47K10/38—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge
- A47K2010/3863—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge with roll rotation braking devices
- A47K2010/3872—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge with roll rotation braking devices the roll support running in inclined grooves
Abstract
A dispenser for rolled sheet media comprises a frame, for mounting to a surface, hawing a front side for dispensing the rolled sheet media and an opposite back side.
The frame defines facing slots on each end thereof, the slots spaced apart to accommodate the length of the roll between them and the slots oriented at an angle to the vertical. A roll pin is inserted into the roll of sheet media, and then is slidably engaged in the slots. Free rotation of the roll is retarded by a retarding member on which the roll rests when the roll and pin are installed.
The roll rotates substantially freely when the sheet media is pulled from the roll in a horizontal direction and retardation of rotation increases when the sheet media is pulled from the roll in a downwards direction, the degree of retardation increasing as the degree of pull below the horizontal direction increases. A downward vertical pull causes the retardation of the roll to increase to the point where a perforated sheet media may be torn off, allowing one-handed operation. A cutting member, may be provided for un-perforated sheet media.
The frame defines facing slots on each end thereof, the slots spaced apart to accommodate the length of the roll between them and the slots oriented at an angle to the vertical. A roll pin is inserted into the roll of sheet media, and then is slidably engaged in the slots. Free rotation of the roll is retarded by a retarding member on which the roll rests when the roll and pin are installed.
The roll rotates substantially freely when the sheet media is pulled from the roll in a horizontal direction and retardation of rotation increases when the sheet media is pulled from the roll in a downwards direction, the degree of retardation increasing as the degree of pull below the horizontal direction increases. A downward vertical pull causes the retardation of the roll to increase to the point where a perforated sheet media may be torn off, allowing one-handed operation. A cutting member, may be provided for un-perforated sheet media.
Description
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Dec-15-96 15:49 From-Furman i Kallio-RCA o22s6ios i99s-i2-is06-359-6956 T-445 P.O6/24 F-t45 PBcK 480-Q2-40 DISPENSER FOR ROL~.Eb SHEET MEDIA
s This invention is in the field of dispensers' for rolled sheet media such as toilet paper, paper towels and plastic film and in particular such a dispenser which allows one-handed removal of the desired amount of media from the roll.
to BACKGROUND
Rolled sheet media are presently generally of the form wherein a spring loaded pin extends through the central cardboard cylinder of the roll and the roll may spin freely on the pin. A
new roll is put in place by pushing the pin against the bias to free one end of the pin and is remove same. Alternatively, Short sections of pin extend into each end of the cardboard cylinder, held in place by brackets and by a biasing force on the brackets which is overcome to replace the roll. Such dispensers require some manipulation to properly position the pins for replacement of the new roll in the dispenser. As a result, the roll is often lefr on the floor or counter rather than being installed on the dispenser, particularly where several different ao people use the material and one or more do not have the patience to install the new roll.
Dec-15-98 15:49 From-Furman a Kallio-RCA"o22s6ios i99s-i2ysOg-359-6956 T-445 P.O1/24 F-145 F&K 480-02-00 When media is removed from a roll, one hand is used to restrain rotation of the roll and the other is used to tear or cut off the sheet required. The brackets in some dispensers may exert a force against the ends of the roll thereby retarding the free rolling movement of the roll and facilitating tearing or cutting media from the roll. This method does not work well with s petfiorated sheet media such as toilet paper or paper towels as the force required to rotate the roll is often sufficient to unintentionally tear the media along the perforations.
A dispenser that allowed one handed operation while allowing the roll to rotate substantially freely while unrolling the desired amount of sheet media would be beneficial.
Such a ><o dispenser where replacement ofthe roll was easily accomplished would be further beneficial.
S>1JMMAR'Y OF TII~ 1~'ENTION
is It is the object of the present invention to provide a dispenser for rolled sheet media that rnay be eft'ectively operated with one hand.
It is the further obj ect of the present invention to provide such a dispenser that is easy to load.
zo The invention accomplishes its obj ects providing in a first aspect a dispenser for rolled sheet Dac-15-9B 15:49 From-Furman a Kallio-RBA o22s6ios i99s-i2-isp6-359-6956 T-445 P.08/24 F-t45 F&k 480-02-00 media comprising a frame adapted for mounting to a surface, said frame having a front side fox dispensing said rolled sheet media and an opposite back side; means to rotatably attach a roll of sheet media to said frame such that said roll is substantially horizontal and such that said roll rotates substantially freely when said sheet media is pulled from said roll in a s horizontal direction; and means to retard the free rotation of said roll when said sheet media is pulled from said roll in a direction that is below said horizontal direction, the degree of retardation increasing as the degree ~of pull below said horizontal direction increases.
The frame could define facing slots oa each end thereof, the slots spaced apart to io accommodate the length of a roll between them and oriented at an angle to the vertical such that the bottom end of each slot is nearer the back side of the frame than is the top end of each slot and the means to rotatably attach a roll of sheet media could comprise a pin having two ends, each end slidably engageable in one of said slots. The means to retard the free rotation of the roll could be a retarding member attached to the frame such that the roll rests is thereon when installed on the pin and the pin is slidably engaged in the slots.
The pin could simply be inserted into the roll and dropped into the sloped slots. The outside surface of the roll hits the retarding member and stops. '9fhen sheet media is pulled horizontally from the top of the roll the angle of the sloped slots is such that the roll tends Zo to rise in the slot reducing friction against the retarding member, and allowing substantially Dac-15-98 15:50 From-Furman ~ Kallio-R~A..o22s6ios i99s-i2-is06-359-6956 T-445 P.09/24 F-745 r~K aso-oz.oo -PageS-free rotational movement of the roll. The slight grip exerted by the retarding member during unrolling will also help to prevent over-rolling and subsequent waste of sheet media. As the angle of pull is moved downwards, the roll tends to move down in the slots and against the retarding member, thereby increasing the grip of the retarding member on the roll and s retarding rotational movement thereof. The farther the angle of pull is from the horizontal, the greater the grip of the retarding member.
The retarding member could extend horizontally from one end of the frame to the opposite end thereof and thereby contacting the roll along its entire length, although a shorter retarding >lo member would be serviceable. In order to retain proper contact with the retarding member as the diameter of the roll decreases with use, the retarding member could be located adjacent to the bottom ends of said slots, or actually inside the slots. The retarding member could be a cylindrical member, or a rectilinear member where the roll rests on one of the comers. The retarding member could further coimprise a plurality of protrusions thereon, or a rough is surface, for gripping the roll.
For different sites and types of rolled sheet media, some simple experimentation will lead to the most satisfactory slot angle, retarding member and location of the retarding member.
Tt is contemplated that the slot angle for most applications would be between 1 S ° and 45 °
2o from the vertical.
Dec-15-98 15:50 From-Furman ~ Kallio-RCA,.o22s6ios i99s-i2-is06-359-6956 T-445 P.10/24 F-745 FBcK 430-02-00 A cutting member could be supported by the frame for cutting un-perforated sheet media such as waxed paper and plastic film. The cutting member could comprise a serrated edge located below the roll near the front side of the frame and having the serrations thereof pointed towards the front. The sheet media would then hang over the cutting member and s when pulling down, the sheet could also be pulled ba.clc against the serrations for cutting.
In a second aspect the invention provides a dispenser for rolled sheet media comprising a frame adapted for horuontal mounting to a surface, said frame having a front side for dispensing said rolled sheet media from a roll and an opposite back side; two end members io supported by said frame and separated by a sufficient distance to accommodate the length of said roll; a pair of corresponding facing slots, one such slot defined in each said end member, said slots oriented at an angle to the vertical such that the bottom ends of each slot are nearer to said back side of the frame thin are the top ends thereof; a pin having two ends, said pin slidable in the axial aperture of a roll of sheet media and slidably engageable at each is end thereof in one of said slots; a retarding member located such that said roll rests thereon when said roll is installed on said pin and said pin is engaged in said slots.
DESC~~TxON OF THE DRAWINGS-xo Dec-15-98 15:50 From-Furman eG Kallio-RCa.,o22s6ios i99s-i2-1506-359-6956 T-445 P.11/24 F-T45 FBcK 480-Q2-00 While the invention is claimed in the concluding portions hereof, preferred embodiments are provided in the accompanying detailed description which may be best understood in conjunction with the accompanying diagrams where like parts in each ofthe several diagrams axe labeled with like numbers, and where:
s Figure 1 is a perspective view of the dispenser embodiment holding a full roll of sheet media ;
Figure 2 is top view of the parts of the dispenser of Figure 1 laid out on a surface;
><o , Figure 3 is a cross-sectional view of the dispenser of Figure 1 along line MM;
Figure 4 is an end view of an alternate retarding member with protrusions on the surface thereof;
ys Figure 5 is cross-sectional view as in Figure 3 wherein the roll of sheet media is almost empty;
Figure 6 is a cross-sectional view as in Figure 3 with the roll and pin removed, 2o showing an alternate retarding member with a rectilinear cross-section.
Dec-15-99 15:50 From-Furman a Kallio-R~A..o2256105 i99s-i2-1506-359-6956 T-445 P.12/24 F-t45 F&K 480-02-00 DETA)~.Eb bESCRIPTION OF TAE ~,LUSTRATED EMBODIMENTS~
Figure 1 illustrates a dispenser for sheet media comprising a frame 1 adapted for mounting s to a surface such as a wall 2. The frame 1 has a front side 3 for dispensing from a roll 5 of sheet media and an opposite back side 4, which is attached to the wall 2.
Figure 2 shows the parts of the dispenser laid out on a surface. The frame 1 is made up of the back member 10 which is glued or otherwise attached to the two end members 8. Each io end member defines an angled slot 7, the bottom of the slot 7 being closer to the back member 10 than the top thereof. The illustrated angle N of the slot to the vertical is 30°. It is contemplated that this angle will be between 15 ° and 45 °
for most applications. A roll pin 6 has opposite ends slidably engaged in one of the angled slots 7, such that the roll pin 6 may move freely along the slots 7.
is .
Each end member 11 also defines a recess 12 to accommodate the ends of the retarding member 13. The retarding member 13 is also glued or otherwise fixed in the recesses 12 during assembly. Figures 2 and 3 illustrate a retarding member with a cylindrical cross-section. Figure 4 shows a plurality of protrusions 14 on the surface of the cylindrical zo retarding member 13, which may be required to properly grip the surface of the roll 5 of sheet Dec-15-98 15:51 From-Furman 6 Kallio-RCA..o2256105 199s-12-15p6-359-6956 T-445 P.13/24 F-745 F&K 480..02-00 media such as plastic wrap, which is slippery and slides easily on the retarding member. The protrusions may be sharp or blunt, depending on the application. For paper towels, toilet paper and the like, a somewhat roughened surface on the retarding member 13 should suffice to grip the roll 5. Alternatively, the retarding member 13 could have a recxilinear cross-s section as shown in Figure 6. The roll 5 rests on one corner of the retarding member 13, thereby providing the required grip.
The retarding member 13 could be of another shape, or could contact only a portion of the length of the roll 5 rather than the whole length as is illustrated . All that is required is that ;<o the roll 5 rest thereon so that rotation of the roll may be retarded, and so that the roll drop down the slot, always resting on the retarding member, as the sheet media is used up and the roll diameter decreases.
Alsa illustrated in Figure 2 is an optional cutting member 11. During assembly the cutting ~s member 11 is glued, screwed ar otherwise fixed to the bottom of each end member 8.
Serrations 15 on the cutting member 11 face down and towards the front side 3 of the dispenser. These are used to cut off the desired amount of un-perforated sheet media such as plastic wrap, wax paper and the like.
2o Figures 3 and 4 illustrate the operation of the dispenser. In operation, the pin 6 is inserted Dec-15-9B 15:51 From-Furman 4 Kallio-R~A..o2256105 199s-12-15p6-359-6956 T-445 P.14/24 F-745 F&K 480-02-00 into the axial aperture 9 of the roll 5 and is then dropped into the pair of slots 7. The pin 6 and roll 5 drop down the slots until the outer surface 17 of the roll 5 contacts the retarding member 13, and the roll 5 is thus positioned horizontally in the dispenser.
s The free end 16 of the roll 5 of sheet media is illustrated at various positions A, B, C and D.
As a pulling force is exerted on the free end 16 in direction A, the components of the force relative to the slots 7 are indicated by arrows X and 'Y. The X component is the force along the slot 7, and the Y component is the force perpendicular to the slot 7. In position A it can be seen that the X component is towards the top of the slot 7 and so the roll will tend to ride io up in the slot 7 and away from the retarding member 13, thereby reducing the grip of the retarding member 13 on the surface 16 of the roll 5. As the free end 16 is moved down, the X component of force is reduced until at position B, perpendicular to the slot 7, it is zero.
As the &ee end moves past position B, the X component of force is directed down the slot 7, and forces the surface 16 of the roll 5 against the retarding member 13, increasing the grip is thereon. At approximately position C, the grip is such that a perforated sheet media may be tom off. The exact position will also depend an the manner of pulling, whether a steady pull or a jerking pull. The degree of grip may be adjusted for different sheet media by using a different retarding member, with or without a rough surface or protrusions thereon, or by adjusting the angle N of the slots 7.
Dec-15-98 15:51 From-Furman a Kallio-RCA"o22s61os 199s-12-lsDS-359-6956 T-445 P.15/24 F-T45 FBcK 480-02-00 The forces and results similarly apply as the roll is used and the diameter thereof is reduced to the point illustrated in Figure 5, where the roll 5 is almost empty.
For un-perforated sheet media, the free end 16 is moved farther down to position D, wherein s the sheet media is cut by the serrations 1 S on the cutting member 11. As can be seen, at that point the X component is larger still, adding gripping force of the retarding member on the surface 16.
Thus the roll 5 rotates substantially freely when the sheet media is puked therefrom in a io horizontal direction. The free rotation of the roll 5 is retarded when the sheet media is pulled in a direction that is below the horizontal direction A, wherein the X
component of force upwards in the slot 7 is reduced. The degree of retardation increases as the degree of pull below the horizontal direction A increases, and the X component falls to zero, and then begins to act downwards in the slot 7 and pulls the roll 5 against the retarding member 13.
as The dispenser may thus be operated with one hand, pulling horizontally to unroll the desired amount, and then pulling down to "lock" the roll and tear or cut off the desired amount. The dispenser is easy to load, as the roll pin~6 simply drops into the slots f, and there is no biassing to overcome.
Dec-15-98 15:51 From-Furman a6 Kallio-RCA,.o2256105 199s-12-15p6-359-6956 T-445 P.16/24 F-745 FBcK 480-02-00 The foregoing is considered as illustrative only of the principles of the invention. Further, since numerous changes and modifications will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly, all such suitable changes or modifications in structure or s operation which may be resorted to are intended to fall within the scope of the claimed invention.
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Dec-15-96 15:49 From-Furman i Kallio-RCA o22s6ios i99s-i2-is06-359-6956 T-445 P.O6/24 F-t45 PBcK 480-Q2-40 DISPENSER FOR ROL~.Eb SHEET MEDIA
s This invention is in the field of dispensers' for rolled sheet media such as toilet paper, paper towels and plastic film and in particular such a dispenser which allows one-handed removal of the desired amount of media from the roll.
to BACKGROUND
Rolled sheet media are presently generally of the form wherein a spring loaded pin extends through the central cardboard cylinder of the roll and the roll may spin freely on the pin. A
new roll is put in place by pushing the pin against the bias to free one end of the pin and is remove same. Alternatively, Short sections of pin extend into each end of the cardboard cylinder, held in place by brackets and by a biasing force on the brackets which is overcome to replace the roll. Such dispensers require some manipulation to properly position the pins for replacement of the new roll in the dispenser. As a result, the roll is often lefr on the floor or counter rather than being installed on the dispenser, particularly where several different ao people use the material and one or more do not have the patience to install the new roll.
Dec-15-98 15:49 From-Furman a Kallio-RCA"o22s6ios i99s-i2ysOg-359-6956 T-445 P.O1/24 F-145 F&K 480-02-00 When media is removed from a roll, one hand is used to restrain rotation of the roll and the other is used to tear or cut off the sheet required. The brackets in some dispensers may exert a force against the ends of the roll thereby retarding the free rolling movement of the roll and facilitating tearing or cutting media from the roll. This method does not work well with s petfiorated sheet media such as toilet paper or paper towels as the force required to rotate the roll is often sufficient to unintentionally tear the media along the perforations.
A dispenser that allowed one handed operation while allowing the roll to rotate substantially freely while unrolling the desired amount of sheet media would be beneficial.
Such a ><o dispenser where replacement ofthe roll was easily accomplished would be further beneficial.
S>1JMMAR'Y OF TII~ 1~'ENTION
is It is the object of the present invention to provide a dispenser for rolled sheet media that rnay be eft'ectively operated with one hand.
It is the further obj ect of the present invention to provide such a dispenser that is easy to load.
zo The invention accomplishes its obj ects providing in a first aspect a dispenser for rolled sheet Dac-15-9B 15:49 From-Furman a Kallio-RBA o22s6ios i99s-i2-isp6-359-6956 T-445 P.08/24 F-t45 F&k 480-02-00 media comprising a frame adapted for mounting to a surface, said frame having a front side fox dispensing said rolled sheet media and an opposite back side; means to rotatably attach a roll of sheet media to said frame such that said roll is substantially horizontal and such that said roll rotates substantially freely when said sheet media is pulled from said roll in a s horizontal direction; and means to retard the free rotation of said roll when said sheet media is pulled from said roll in a direction that is below said horizontal direction, the degree of retardation increasing as the degree ~of pull below said horizontal direction increases.
The frame could define facing slots oa each end thereof, the slots spaced apart to io accommodate the length of a roll between them and oriented at an angle to the vertical such that the bottom end of each slot is nearer the back side of the frame than is the top end of each slot and the means to rotatably attach a roll of sheet media could comprise a pin having two ends, each end slidably engageable in one of said slots. The means to retard the free rotation of the roll could be a retarding member attached to the frame such that the roll rests is thereon when installed on the pin and the pin is slidably engaged in the slots.
The pin could simply be inserted into the roll and dropped into the sloped slots. The outside surface of the roll hits the retarding member and stops. '9fhen sheet media is pulled horizontally from the top of the roll the angle of the sloped slots is such that the roll tends Zo to rise in the slot reducing friction against the retarding member, and allowing substantially Dac-15-98 15:50 From-Furman ~ Kallio-R~A..o22s6ios i99s-i2-is06-359-6956 T-445 P.09/24 F-745 r~K aso-oz.oo -PageS-free rotational movement of the roll. The slight grip exerted by the retarding member during unrolling will also help to prevent over-rolling and subsequent waste of sheet media. As the angle of pull is moved downwards, the roll tends to move down in the slots and against the retarding member, thereby increasing the grip of the retarding member on the roll and s retarding rotational movement thereof. The farther the angle of pull is from the horizontal, the greater the grip of the retarding member.
The retarding member could extend horizontally from one end of the frame to the opposite end thereof and thereby contacting the roll along its entire length, although a shorter retarding >lo member would be serviceable. In order to retain proper contact with the retarding member as the diameter of the roll decreases with use, the retarding member could be located adjacent to the bottom ends of said slots, or actually inside the slots. The retarding member could be a cylindrical member, or a rectilinear member where the roll rests on one of the comers. The retarding member could further coimprise a plurality of protrusions thereon, or a rough is surface, for gripping the roll.
For different sites and types of rolled sheet media, some simple experimentation will lead to the most satisfactory slot angle, retarding member and location of the retarding member.
Tt is contemplated that the slot angle for most applications would be between 1 S ° and 45 °
2o from the vertical.
Dec-15-98 15:50 From-Furman ~ Kallio-RCA,.o22s6ios i99s-i2-is06-359-6956 T-445 P.10/24 F-745 FBcK 430-02-00 A cutting member could be supported by the frame for cutting un-perforated sheet media such as waxed paper and plastic film. The cutting member could comprise a serrated edge located below the roll near the front side of the frame and having the serrations thereof pointed towards the front. The sheet media would then hang over the cutting member and s when pulling down, the sheet could also be pulled ba.clc against the serrations for cutting.
In a second aspect the invention provides a dispenser for rolled sheet media comprising a frame adapted for horuontal mounting to a surface, said frame having a front side for dispensing said rolled sheet media from a roll and an opposite back side; two end members io supported by said frame and separated by a sufficient distance to accommodate the length of said roll; a pair of corresponding facing slots, one such slot defined in each said end member, said slots oriented at an angle to the vertical such that the bottom ends of each slot are nearer to said back side of the frame thin are the top ends thereof; a pin having two ends, said pin slidable in the axial aperture of a roll of sheet media and slidably engageable at each is end thereof in one of said slots; a retarding member located such that said roll rests thereon when said roll is installed on said pin and said pin is engaged in said slots.
DESC~~TxON OF THE DRAWINGS-xo Dec-15-98 15:50 From-Furman eG Kallio-RCa.,o22s6ios i99s-i2-1506-359-6956 T-445 P.11/24 F-T45 FBcK 480-Q2-00 While the invention is claimed in the concluding portions hereof, preferred embodiments are provided in the accompanying detailed description which may be best understood in conjunction with the accompanying diagrams where like parts in each ofthe several diagrams axe labeled with like numbers, and where:
s Figure 1 is a perspective view of the dispenser embodiment holding a full roll of sheet media ;
Figure 2 is top view of the parts of the dispenser of Figure 1 laid out on a surface;
><o , Figure 3 is a cross-sectional view of the dispenser of Figure 1 along line MM;
Figure 4 is an end view of an alternate retarding member with protrusions on the surface thereof;
ys Figure 5 is cross-sectional view as in Figure 3 wherein the roll of sheet media is almost empty;
Figure 6 is a cross-sectional view as in Figure 3 with the roll and pin removed, 2o showing an alternate retarding member with a rectilinear cross-section.
Dec-15-99 15:50 From-Furman a Kallio-R~A..o2256105 i99s-i2-1506-359-6956 T-445 P.12/24 F-t45 F&K 480-02-00 DETA)~.Eb bESCRIPTION OF TAE ~,LUSTRATED EMBODIMENTS~
Figure 1 illustrates a dispenser for sheet media comprising a frame 1 adapted for mounting s to a surface such as a wall 2. The frame 1 has a front side 3 for dispensing from a roll 5 of sheet media and an opposite back side 4, which is attached to the wall 2.
Figure 2 shows the parts of the dispenser laid out on a surface. The frame 1 is made up of the back member 10 which is glued or otherwise attached to the two end members 8. Each io end member defines an angled slot 7, the bottom of the slot 7 being closer to the back member 10 than the top thereof. The illustrated angle N of the slot to the vertical is 30°. It is contemplated that this angle will be between 15 ° and 45 °
for most applications. A roll pin 6 has opposite ends slidably engaged in one of the angled slots 7, such that the roll pin 6 may move freely along the slots 7.
is .
Each end member 11 also defines a recess 12 to accommodate the ends of the retarding member 13. The retarding member 13 is also glued or otherwise fixed in the recesses 12 during assembly. Figures 2 and 3 illustrate a retarding member with a cylindrical cross-section. Figure 4 shows a plurality of protrusions 14 on the surface of the cylindrical zo retarding member 13, which may be required to properly grip the surface of the roll 5 of sheet Dec-15-98 15:51 From-Furman 6 Kallio-RCA..o2256105 199s-12-15p6-359-6956 T-445 P.13/24 F-745 F&K 480..02-00 media such as plastic wrap, which is slippery and slides easily on the retarding member. The protrusions may be sharp or blunt, depending on the application. For paper towels, toilet paper and the like, a somewhat roughened surface on the retarding member 13 should suffice to grip the roll 5. Alternatively, the retarding member 13 could have a recxilinear cross-s section as shown in Figure 6. The roll 5 rests on one corner of the retarding member 13, thereby providing the required grip.
The retarding member 13 could be of another shape, or could contact only a portion of the length of the roll 5 rather than the whole length as is illustrated . All that is required is that ;<o the roll 5 rest thereon so that rotation of the roll may be retarded, and so that the roll drop down the slot, always resting on the retarding member, as the sheet media is used up and the roll diameter decreases.
Alsa illustrated in Figure 2 is an optional cutting member 11. During assembly the cutting ~s member 11 is glued, screwed ar otherwise fixed to the bottom of each end member 8.
Serrations 15 on the cutting member 11 face down and towards the front side 3 of the dispenser. These are used to cut off the desired amount of un-perforated sheet media such as plastic wrap, wax paper and the like.
2o Figures 3 and 4 illustrate the operation of the dispenser. In operation, the pin 6 is inserted Dec-15-9B 15:51 From-Furman 4 Kallio-R~A..o2256105 199s-12-15p6-359-6956 T-445 P.14/24 F-745 F&K 480-02-00 into the axial aperture 9 of the roll 5 and is then dropped into the pair of slots 7. The pin 6 and roll 5 drop down the slots until the outer surface 17 of the roll 5 contacts the retarding member 13, and the roll 5 is thus positioned horizontally in the dispenser.
s The free end 16 of the roll 5 of sheet media is illustrated at various positions A, B, C and D.
As a pulling force is exerted on the free end 16 in direction A, the components of the force relative to the slots 7 are indicated by arrows X and 'Y. The X component is the force along the slot 7, and the Y component is the force perpendicular to the slot 7. In position A it can be seen that the X component is towards the top of the slot 7 and so the roll will tend to ride io up in the slot 7 and away from the retarding member 13, thereby reducing the grip of the retarding member 13 on the surface 16 of the roll 5. As the free end 16 is moved down, the X component of force is reduced until at position B, perpendicular to the slot 7, it is zero.
As the &ee end moves past position B, the X component of force is directed down the slot 7, and forces the surface 16 of the roll 5 against the retarding member 13, increasing the grip is thereon. At approximately position C, the grip is such that a perforated sheet media may be tom off. The exact position will also depend an the manner of pulling, whether a steady pull or a jerking pull. The degree of grip may be adjusted for different sheet media by using a different retarding member, with or without a rough surface or protrusions thereon, or by adjusting the angle N of the slots 7.
Dec-15-98 15:51 From-Furman a Kallio-RCA"o22s61os 199s-12-lsDS-359-6956 T-445 P.15/24 F-T45 FBcK 480-02-00 The forces and results similarly apply as the roll is used and the diameter thereof is reduced to the point illustrated in Figure 5, where the roll 5 is almost empty.
For un-perforated sheet media, the free end 16 is moved farther down to position D, wherein s the sheet media is cut by the serrations 1 S on the cutting member 11. As can be seen, at that point the X component is larger still, adding gripping force of the retarding member on the surface 16.
Thus the roll 5 rotates substantially freely when the sheet media is puked therefrom in a io horizontal direction. The free rotation of the roll 5 is retarded when the sheet media is pulled in a direction that is below the horizontal direction A, wherein the X
component of force upwards in the slot 7 is reduced. The degree of retardation increases as the degree of pull below the horizontal direction A increases, and the X component falls to zero, and then begins to act downwards in the slot 7 and pulls the roll 5 against the retarding member 13.
as The dispenser may thus be operated with one hand, pulling horizontally to unroll the desired amount, and then pulling down to "lock" the roll and tear or cut off the desired amount. The dispenser is easy to load, as the roll pin~6 simply drops into the slots f, and there is no biassing to overcome.
Dec-15-98 15:51 From-Furman a6 Kallio-RCA,.o2256105 199s-12-15p6-359-6956 T-445 P.16/24 F-745 FBcK 480-02-00 The foregoing is considered as illustrative only of the principles of the invention. Further, since numerous changes and modifications will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly, all such suitable changes or modifications in structure or s operation which may be resorted to are intended to fall within the scope of the claimed invention.
Claims (14)
1. A dispenser for rolled sheet media comprising:
a frame adapted for mounting to a surface, said frame having a front side for dispensing said rolled sheet media and an opposite back side;
means to rotatably attach a roll of sheet media to said frame such that said roll is substantially horizontal and such that said roll rotates substantially freely when said sheet media is pulled from said roll in a horizontal direction; and means to retard the free rotation of said roll when said sheet media is pulled from said roll in a direction that is below said horizontal direction, the degree of retardation increasing as the degree of pull below said horizontal direction increases.
a frame adapted for mounting to a surface, said frame having a front side for dispensing said rolled sheet media and an opposite back side;
means to rotatably attach a roll of sheet media to said frame such that said roll is substantially horizontal and such that said roll rotates substantially freely when said sheet media is pulled from said roll in a horizontal direction; and means to retard the free rotation of said roll when said sheet media is pulled from said roll in a direction that is below said horizontal direction, the degree of retardation increasing as the degree of pull below said horizontal direction increases.
2. The invention of Claim 1 wherein said frame defines facing slots on each end thereof, said slots spaced apart to accommodate the length of said roll between them and said slots oriented at an angle to the vertical such that the bottom end of each said slot is nearer said back side of the frame than is the top end of each said slot; and wherein said means to rotatably attach a roll of sheet media comprises a pin having two ends, each said end slidably engageable in one of said slots.
3. The invention of Claim 2 wherein said means to retard the free rotation of said roll is a retarding member attached to said frame and wherein said roll rests on said retarding member when said roll is installed on said pin and said pin is slidably engaged in said slots.
4. The invention of Claim 3 wherein said retarding member extends horizontally from one end of said frame to the opposite end of said frame.
5. The invention of Claims 3 or 4 wherein said retarding member is located in proximity to the bottom ends of said slots.
6. The invention of Claims 3, 4 or 5 wherein said retarding member is a cylindrical member.
7. The invention of Claims 3, 4 or 5 wherein said retarding member is a rectilinear member.
8. The invention of Claim 7 wherein said roll rests on a corner of said rectilinear retarding member.
9. The invention of Claims 3 - 8 wherein said retarding member comprises a plurality of protrusions thereon for gripping said roll.
10. The invention of Claims 1 - 9 further comprising a cutting member supported by said frame for cutting un-perforated sheet media.
11. The invention of Claim 10 wherein said cutting member comprises a serrated edge located below said roll near said front side of the frame and having the serrations thereof pointed at least partially towards said front side of the frame.
12. A dispenser for rolled sheet media comprising:
a frame adapted for horizontal mounting to a surface, said frame having a front side for dispensing said rolled sheet media from a roll and an opposite back side;
two end members supported by said frame and separated by a sufficient distance to accommodate the length of said roll;
a pair of corresponding facing slots, one such slot defined in each said end member, said slots oriented at an angle to the vertical such that the bottom ends of each slot are nearer to said back side of the frame than are the top ends thereof;
a pin having two ends, said pin slidable in the axial aperture of a roll of sheet media and slidably engageable at each end thereof in one of said slots;
a retarding member located such that said roll rests thereon when said roll is installed on said pin and said pin is engaged in said slots.
a frame adapted for horizontal mounting to a surface, said frame having a front side for dispensing said rolled sheet media from a roll and an opposite back side;
two end members supported by said frame and separated by a sufficient distance to accommodate the length of said roll;
a pair of corresponding facing slots, one such slot defined in each said end member, said slots oriented at an angle to the vertical such that the bottom ends of each slot are nearer to said back side of the frame than are the top ends thereof;
a pin having two ends, said pin slidable in the axial aperture of a roll of sheet media and slidably engageable at each end thereof in one of said slots;
a retarding member located such that said roll rests thereon when said roll is installed on said pin and said pin is engaged in said slots.
13. The invention of Claim 12 further comprising a cutting member supported by said frame for cutting un-perforated sheet media.
14. The invention of Claim 13 wherein said cutting member comprises a serrated edge located below said roll near said front side of the frame and having the serrations thereof pointed at least partially towards said front side of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2256105 CA2256105A1 (en) | 1998-12-15 | 1998-12-15 | Dispenser for rolled sheet media |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2256105 CA2256105A1 (en) | 1998-12-15 | 1998-12-15 | Dispenser for rolled sheet media |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2256105A1 true CA2256105A1 (en) | 2000-06-15 |
Family
ID=29425809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2256105 Abandoned CA2256105A1 (en) | 1998-12-15 | 1998-12-15 | Dispenser for rolled sheet media |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2256105A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1847205A1 (en) * | 2005-01-28 | 2007-10-24 | QIU, Dongyan | Roll paper holder |
| US9907442B2 (en) | 2015-02-24 | 2018-03-06 | Dispensing Dynamics International, Llc | Paper toweling or tissue dispensing apparatus including roll overspin control |
-
1998
- 1998-12-15 CA CA 2256105 patent/CA2256105A1/en not_active Abandoned
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1847205A1 (en) * | 2005-01-28 | 2007-10-24 | QIU, Dongyan | Roll paper holder |
| EP1847205A4 (en) * | 2005-01-28 | 2008-06-11 | Geng Xiaofei | Roll paper holder |
| US9907442B2 (en) | 2015-02-24 | 2018-03-06 | Dispensing Dynamics International, Llc | Paper toweling or tissue dispensing apparatus including roll overspin control |
| US10136733B2 (en) | 2015-02-24 | 2018-11-27 | Dispensing Dynamics International, Llc | Paper toweling or tissue dispensing apparatus including roll overspin control |
| EP4026465A1 (en) | 2015-02-24 | 2022-07-13 | Dispensing Dynamics International, LLC | Paper toweling or tissue dispensing apparatus including roll overspin control |
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