JP7466224B2 - Roll paper holder - Google Patents

Description

The present invention relates to a roll paper holder that allows you to cut toilet paper, for example, with one hand.

Conventionally, a roll paper holder of this type is known as disclosed in the following Patent Document 1, which was created by the same inventor as the present application. The toilet paper holder disclosed in this document is equipped with a holder body consisting of a back plate and left and right side plate parts, a first pressing plate part connected to the rear part of the holder body and pressing the top surface of the roll paper, a loading rod part on which paper from the roll paper is placed, a second pressing plate part connected to the first pressing plate part and pressing the paper on the loading rod part, a receiving rod part installed between the left and right side plate parts at a position forward of the loading rod part, a front plate part connected to the front end part of the second pressing plate part and supported on the receiving rod part, a holding part as a fulcrum for the up and down swing of the front plate part, and a cutting blade part provided on the front lower edge of the front plate part. In addition, since the receiving rod part is fixed to the front part of the side plate part, the vertical dimension of the holding part (shaft member) is made relatively long to make the front plate part easy to move.
In this roll paper holder, when the paper is lifted from the mounting rod by hand and placed against the cutting blade, the rear of the front plate is pulled down, with the holding part as a fulcrum. At the same time, the second pressing plate is also pulled down to press the paper onto the mounting rod. At the same time, the first pressing plate is pulled down to press the roll paper, preventing the roll paper from rotating and unwinding, and preventing the roll paper from rotating when cutting, allowing the paper to be cut with one hand.

JP 2016-129597 A

However, in the toilet paper holder disclosed in the above document, the first pressure plate, second pressure plate and front plate are connected in that order via hinges, and the downward force of the rear part of the front plate, whose front end has been lifted, is transmitted via the hinge to the second pressure plate, and the front part of the second pressure plate presses against the paper on the mounting rod to stop the paper from being pulled out. In other words, the lifting action applied to the front end of the front plate when cutting the paper is transmitted as a downward action to the front part of the second pressure plate via the hinge, so there is a slight delay in the timing of stopping the paper on the mounting rod. This can make it difficult to tear the paper off with one hand or can result in a dirty cut edge.

In addition, because the receiving rod is fixed across the front ends of the left and right side plates and holds the leading plate with the holding part, when opening the top of the holder body to refill the roll paper or inspect the inside of the holder, it was necessary to operate the holding part to pass the leading plate through the through groove, and then remove it from the receiving plate. In other words, there was a problem that refilling the roll paper, etc., could not be done easily.
The cutting blade has a serrated edge, but because it is made of metal, the paper tends to slip off, which can lead to failure when cutting with one hand. There is also a risk of injury to the fingers due to the blade.

The present invention was made in consideration of the above-mentioned problems with the conventional roll paper holder, and aims to provide a roll paper holder that allows the user to reliably cut paper from the roll paper with one hand and makes it easy to refill the roll paper.

In order to achieve the above object, the roll paper holder of the present invention comprises a holder body composed of a back plate and left and right side plate portions that extend forward from both left and right ends of the back plate and face each other; shaft support grooves engraved downward from the upper surface of each side plate portion on the inner surfaces of the left and right side plate portions of the holder body and support both ends of a shaft member inserted into the central hollow portion of the roll paper; a first pressing plate portion connected to the rear of the holder body so as to be freely swingable up and down and pressing down the top surface of the roll paper with the front end of the plate; a loading rod portion that spans between the left and right side plate portions of the holder body and places paper unwound from the roll paper on it; and a second pressing plate portion that is disposed in front of the first pressing plate portion and presses down the paper on the loading rod portion. The roll paper holder has a plate portion, a connecting plate portion interposed between the first pressure plate portion and the second pressure plate portion and connecting them so that they can swing up and down freely, and a cutting blade portion provided at the front end of the second pressure plate portion for cutting the paper hanging down from the mounting rod portion, and is characterized in that it is configured to include a support rod portion that is attached to the underside of the front part of the second pressure plate portion via a holding mechanism and can move back and forth freely, supporting the front part of the second pressure plate portion, a receiving base portion formed at the front ends of the left and right side plate portions and on which the support rod portion is placed so that it can be detached, and a slip-out prevention column body that is erected at the front end of the receiving base portion and has an upper portion bent backwards to prevent the support rod portion within the receiving base portion from slipping out upward and forward.

In addition, in the above configuration, the holding mechanism is characterized by being composed of a through groove portion formed in the second pressure plate portion that extends in the front-rear direction and penetrates in the up-down direction, a holding ball portion that is positioned above the second pressure plate portion and has a diameter larger than the groove width of the through groove portion, and a connecting shaft portion that is inserted into the through groove portion so as to be freely movable back and forth and connects the support rod portion and the holding ball portion.

And in each of the above configurations, the cutting blade is made of rubber material.

Furthermore, in each of the above configurations, a shaft removal groove is engraved on the inner surface of the left and right side plate portions, branching off from the middle of the shaft support groove portion and opening on the underside of the left and right side plate portions.

According to the roll paper holder of the present invention, when the holder is in use, the support rod is placed inside the receiving base and supports the front part of the second pressing plate, and when the paper is cut, the support rod in the receiving base is prevented from falling out by the upper part of the anti-slip column. The lifting action applied to the front end of the second pressing plate when cutting the paper is directly transmitted to the pressing part at the rear of the second pressing plate by the support of the holding mechanism, and the paper on the loading rod is pressed down to prevent it from slipping on the loading rod. At the same time, the rear end of the second pressing plate is lowered to press down the front end of the first pressing plate, stopping the rotation of the roll paper. As described above, the paper on the loading rod is directly stopped by the second pressing plate, so that the paper can be reliably cut with one hand by the cutting blade, and the cut edge of the paper is also beautiful. In addition, when refilling roll paper, there is no need to perform extra steps such as manipulating the holding part; the top opening of the holder body can be easily opened by simply removing the support rod part together with the second pressing plate part from the left and right receiving base parts.

In addition, because the support rod is detachably attached to the receiving base at the front end of the side plate, the second pressure plate itself moves easily, and because no structure is needed to make the second pressure plate easier to move relative to the support rod, the holding mechanism can be constructed compactly with components such as the through groove, holding ball, and connecting shaft. In addition, when cutting the paper, the support rod is firmly held by the top of the anti-slip column, making it difficult for the paper to slip off relative to the cutting blade, ensuring that the paper can be cut with one hand.

Furthermore, relatively soft paper can be cut easily if it does not slip easily against the cutting blade. In other words, if the cutting blade is made of rubber, the high frictional resistance of the rubber makes it difficult for the paper to slip against the cutting blade, so cutting can be done reliably. In addition, there is no risk of causing injury to the person, as there is with metal cutting blades.

Furthermore, in the case where the inner surfaces of the left and right side plates have grooves for shaft removal that open to the bottom and branch off from the grooves for shaft support, when the entire amount of paper has been unwound from the roll of paper, the shaft member remaining in the groove for shaft support can be removed downward from the groove for shaft removal while keeping the top opening of the holder body closed. In other words, there is no need to go through the trouble of lifting the first pressing plate to open the top of the holder body and remove the shaft member from above.

1 is a perspective view of a roll paper holder according to one embodiment of the present invention; FIG. 2 is a plan view of the roll paper holder. FIG. 4 is a side view of the roll paper holder. 4A and 4B are diagrams showing the roll paper holder and roll paper, in which FIG. 4A is a front view of the roll paper holder, and FIG. 4B is a front view of the roll paper, shaft members, and the like used in the roll paper holder. FIG. 2 is a parts exploded view showing the parts constituting the roll paper holder. 13 is an internal side view of the roll paper holder with one of the side plates removed, showing the first pressing plate portion and other portions of the roll paper holder in an open state. FIG. 7 is an internal side view corresponding to FIG. 6, showing the state in which the roll paper holder has been loaded with the roll paper and placed on the mounting rod, and the support rod and other parts are being moved to a reference position. FIG. 8A and 8B are diagrams showing a state in which the support rod portion of the roll paper holder has been moved from the state in FIG. 7 to a reference position, in which (a) is an internal side view, and (b) is a partial plan view of the front part of the holder. 9A and 9B are diagrams showing the state in which the roll paper holder is being pulled out by hand from the state shown in FIG. 8, in which (a) is an internal side view, and (b) is a partial plan view of the front part of the holder. 9(b) is an internal side view showing the state in which the paper is being manually pulled up and cut from the state shown in FIG. 9(a) in the roll paper holder. FIG.

The following describes an embodiment of the present invention with reference to the drawings. Note that the embodiment described below is merely an example of the present invention and does not limit the technical scope of the present invention. Here, FIG. 1 is a perspective view of a roll paper holder according to one embodiment of the present invention, FIG. 2 is a plan view of the roll paper holder, FIG. 3 is a side view of the roll paper holder, and FIG. 4 is a diagram showing the roll paper holder and roll paper, where (a) is a front view of the roll paper holder, (b) is a front view of the roll paper and shaft members used in the roll paper holder, and FIG. 5 is an exploded view of the parts that make up the roll paper holder.

In each figure, the roll paper holder 1 according to this embodiment is constructed with a holder body 2 formed in a concave shape in a plan view as a base. The holder body 2 is composed of a back plate 3 attached to a wall K or the like with wood screws B or the like, and left and right side plate parts 4, 4 attached to the left and right ends of the back plate 3 and extending forward and facing each other. The back plate part 3 is assembled by fitting the protruding pieces 3B, 3B protruding from the left and right sides of the plate body 3A (see FIG. 5) into the mounting recesses 35, 35 at the rear of the inner surfaces 4A, 4A of the side plate parts 4, 4, and is fixed to the wall K with screws B, B passing through the screw holes 3C, 3C formed in the plate body 3A. Furthermore, the first pressing plate part 10, the connecting plate part 15, the second pressing plate part 14, and the support rod part 6, each of which is approximately rectangular in plan view, are connected to the upper part of the holder body 2 from the rear of the side plate parts 4, 4 toward the front in that order.

The first pressing plate portion 10 is supported at its rear end 10B on the rear upper portion of the side plate portion 4 via left and right hinge portions 21, 21 so as to be able to swing up and down. Each hinge portion 21 is composed of an axial hole 24 formed by recessing into the inner surface 4A of the rear upper portion of the side plate portion 4, and a pivot 25 that protrudes outward from the rear end of the first pressing plate portion 10 and is inserted into the axial hole 24 and rotatably supported. A weight portion 12 is integrally formed on the underside of the front end portion 10A of the first pressing plate portion 10. The weight portion 12 is formed so that the rear portion of the protrusion 11 provided at the front end of the weight portion 12 bulges downward. In other words, the weight portion 12 presses the protrusion 11 of the first pressing plate portion 10 against the upper surface of the roll paper R. In addition, in a general-purpose holder body, a coil spring is attached to the pivot 25, and the spring force presses the front end 10A of the first pressing plate portion 10 against the top surface of the roll paper R, but the weight portion 12 can be suitably used with the holder body 2 of this embodiment, which does not have such a coil spring. It is also possible to embed a metal weight inside the weight portion 12.

The inner surface 4A of each side plate 4 has a support groove 8 that opens to the upper surface 4B of the side plate 4 and is engraved downward. On the other hand, a shaft member 9 is inserted into the central hollow portion C of the roll paper R without a paper core (see FIG. 4(b)). The roll paper R used here is exemplified by a roll of toilet paper as paper P. Protective disks 31, 31 are provided at both ends of the shaft member 9 to prevent the roll paper R from sliding against the inner surface 4A. The ends of the shaft member 9 inserted into the roll paper R are inserted into the shaft support grooves 8, 8 on both the left and right sides and supported by the bearing recess 8A at the lowest position, allowing the roll paper R to rotate freely. The inner surfaces 4A, 4A of the side plates 4, 4 have shaft removal grooves 7, 7 that open to the lower surfaces 4C, 4C of the side plates 4, 4 and are engraved at the upper and lower intermediate positions of the shaft support grooves 8, 8.

On the other hand, mounting recesses 36, 36 are formed in the front of the inner surfaces 4A, 4A of the front parts of the left and right side plate parts 4, 4, and the mounting rod part 13 is fitted into the opposing mounting recesses 36, 36 and bridges between the side plate parts 4, 4. This mounting rod part 13 is designed to hold the paper P unwound from the roll paper R. To securely hold the paper P in place, the upper surface of the mounting rod part 13 is formed wider than the lower surface 13A.

The rear end of the connecting plate 15 is connected to the front end 10A of the first pressing plate 10 via a hinge 22 so as to be able to swing up and down. The hinges 22, 22 are composed of support arms 33, 33 extending from the left and right rear ends of the connecting plate 15, shaft holes 26, 26 formed on the left and right sides of the front end 10A of the first pressing plate 10, and pivots 27, 27 attached to the support arms 33, 33 and supported rotatably in the shaft holes 26, 26.

The rear end of the second pressure plate 14 is connected to the front end of the connecting plate 15 via the hinge 23 so as to be able to swing up and down. That is, the connecting plate 15 is interposed between the first pressure plate 10 and the second pressure plate 14. The hinges 23, 23 are composed of support arms 28, 28 extending from the left and right rear ends of the second pressure plate 14, shaft holes 29, 29 formed in the support arms 28, 28, respectively, and pivots 30, 30 attached to the left and right of the front end of the connecting plate 15 and supported rotatably in the shaft holes 29, 29.

The second pressing plate portion 14 is configured to hold down the paper P placed on the mounting rod portion 13 with a pressing portion 14A formed on the underside of its rear portion. A through groove portion 18 extending in the front-rear direction (the direction of arrow F) is formed penetrating the second pressing plate portion 14 in the up-down direction. A cutting blade portion 34 made of, for example, urethane rubber is attached to the underside of the front end 14B of the second pressing plate portion 14. This cutting blade portion 34 is used to cut the paper P hanging down from the mounting rod portion 13.

The support rod 6 is attached to the front underside 14C of the second pressure plate 14 via a retaining mechanism 5 so as to be freely movable back and forth. The retaining mechanism 5 is composed of the through groove 18, a retaining ball 19 that is larger in diameter than the groove width W of the through groove 18 and is positioned above the second pressure plate 14, and a connecting shaft 20 that is inserted into the through groove 18 so as to be freely movable back and forth and connects the support rod 6 and the retaining ball 19. The support rod 6 is suspended from the second pressure plate 14 by the retaining mechanism 5 so as to be freely movable back and forth.

A receiving base 16 is formed at the front end of each side plate 4 on which the support rod 6 can be detachably placed. That is, the support rod 6 supports the front part of the second pressing plate 14 while placed in the receiving bases 16, 16. A column 17 for preventing the support rod 6 from falling out is erected in front of the receiving base 16, i.e., at the front end 4D of the side plate 4. The upper part of the column 17 for preventing the support rod 6 from falling out of the receiving base 16 in the upward and forward direction.

The operation of the roll paper holder 1 configured as above will now be described. Here, the explanation will be given starting from the state shown in FIG. 3 where the roll paper R is not attached.
First, the front end 14D of the second pressing plate 14 is pressed down to lift the rear of the second pressing plate 14, and the support rod 6 is released from the receiving base 16 with the rear of the support rod 6 raised. In this state, the second pressing plate 14, the support rod 6, the connecting plate 15 and the first pressing plate 10 are rotated around the hinge 21 (arrow Y1) to open the top opening of the holder body 2 as shown in FIG. 6. At this time, the connecting plate 15, the second pressing plate 14 and the support rod 6 are lifted up by hand or the like and swing around the hinges 22 and 23 as shown by arrow Y2. Next, both ends of the shaft member 9 inserted through the roll paper R are inserted into the support grooves 8, 8 from the left and right upper surfaces 4B, 4B, and supported by the respective bearing recesses 8A, 8A. This allows the roll paper R to be supported freely for rotation. Then, as shown in FIG. 7, the paper P is unwound from the roll paper R (arrow V2) and placed on the placement rod portion 13, and then the leading end of the paper P is allowed to hang down.

Next, as shown in Figure 7, the first pressing plate 10 is rotated around the hinge 21 (arrow Y3), the connecting plate 15 is rotated around the hinge 22 (arrow Y4), and the second pressing plate 14 is rotated around the hinge 23 (arrow Y5) to cover the top opening of the holder body 2. Then, both left and right ends of the support rod 6 naturally slide down the curved slopes 4BA, 4BA of the side plates 4, 4 (arrow Y8). Then, as shown in Figure 8, both left and right ends of the support rod 6 enter the receiving base 16 and are placed. The placement position shown in Figure 8 is the reference position for the support rod 6. At this time, the top surface of the roll paper R is pressed down by the protrusion 11 of the pressing plate portion 10, the connecting plate portion 15 rotates further around the hinge portion 22 (arrow Y6), and the second pressing plate portion 14 rotates around the hinge portion 23 (arrow Y7).

Next, as shown in Figure 9, the tip of the paper P hanging down from the mounting rod 13 is held with hand H and brought closer to the cutting blade 34 (arrow V1), while pulling out the amount of paper P required for use as shown by arrow V2. At this time, the required amount of paper P is pulled out with both hands and then transferred to one hand. This causes the paper P to be unwound from the paper roll R (arrow V3), and the paper roll R rotates around the shaft member 9 (arrow V4). The paper P is then lifted up and brought closer to the cutting blade 34 (arrow V5).

10, the user then further lifts the paper P with hand H (arrow V6) to bring the target cutting position of the paper P into contact with the cutting blade 34, and then attempts to further pull up the paper P as shown by arrow V7. However, because the roll paper R is pressed down by the protrusion 11 and the paper P is difficult to pull out, a reaction force acts against the force in the direction of arrow V7, causing the front end 14B of the second pressing plate 14 to be lifted slightly (arrow Y10) and the rear of the second pressing plate 14 to be pushed down (arrow Y11) with the support of the retaining ball 19. As a result, the pressing portion 14A of the second pressing plate 14 presses the paper P on the mounting rod 13, preventing the paper P from sliding on the mounting rod 13. In conjunction with this, the rear end of the connecting plate portion 15 is also pushed down, so that the protrusion 11 of the second pressing plate 10 presses down even further on the top surface of the roll of paper R, preventing the roll of paper R from rotating relative to the holder body 2. Then, the paper P is pulled left and right by hand H, and the paper P is broken into a beautiful cut at 34.

As described above, in this embodiment of the roll paper holder 1, the lifting action applied to the front end 14B of the second pressure plate portion 14 when cutting the paper P is directly transmitted to the pressure portion 14A at the rear of the second pressure plate portion 14 by the support of the holding mechanism 5, and presses down the paper P on the mounting rod portion 13 to prevent it from slipping on the mounting rod portion 13. At the same time, the rear end of the second pressure plate portion 14 descends to press down the front end portion 10A of the first pressure plate portion 10, stopping the rotation of the roll paper R. In other words, since the paper P on the mounting rod portion 13 is directly stopped by the second pressure plate portion 14, the paper P can be reliably cut with one hand by the cutting blade portion 34, and the cut edge of the paper P is also beautiful. In addition, when refilling roll paper R, there is no need to perform extra steps such as operating the holding part as in the conventional technology, and the top opening of the holder body 2 can be easily opened by simply removing the support rod part 6 together with the second pressing plate part 14 from the left and right receiving parts 4, 4 as a single unit. In addition, this roll paper holder 1 has the advantage of being simpler and more attractive in product design than the conventional technology, and is easy to use as an everyday item.

In addition, because the support rod portion 6 is detachably attached to the receiving base portion 16 at the front end of the side plate portion 4, the second pressure plate portion 14 itself moves easily, and no structure is required to make the second pressure plate portion 14 move easily relative to the support rod portion 6. Therefore, the holding mechanism 5 can be compactly constructed from the through groove portion 18, the holding ball portion 19, and the connecting shaft portion 20. In addition, when cutting the paper P, the support rod portion 6 is firmly held by the bent portion 17A of the anti-slip column 17, so the paper P is less likely to slip relative to the cutting blade portion 34, making it possible to reliably cut the paper with one hand.

And because the cutting blade 34 is made of rubber, the paper P is less likely to slip due to the large frictional resistance of the rubber material against the paper P. Therefore, the paper P can be cut reliably with one hand. Also, there is no risk of personal injury, as with the metal blades of the prior art.

Furthermore, because the shaft removal groove 7 is carved branching off from the shaft support groove 8, when the entire amount of paper P has been unwound from the roll paper R, the shaft member 9 remaining in the bearing recess 8A of the shaft support groove 8 can be removed downward from the shaft removal groove 7 while keeping the top opening of the holder body 2 closed. In other words, there is no need to go through the trouble of lifting the first pressing plate 10, etc., to open the top of the holder body 2 and remove the shaft member 9 from above, as in the prior art.

In the above embodiment, an example was shown in which roll paper R without a paper tube was used, but the present invention is not limited to this. Since this roll paper holder 1 has left and right support grooves 8, 8 and an axle member 9, it is possible to use roll paper with a paper tube as the central hollow portion, for example. In this case, a cylinder with a diameter that can fit inside the paper tube is attached to the outer periphery of the axle body 9A of the axle member 9, and both ends of the axle member 9 are supported by the axle support grooves 8, 8 of the holder body 2.

In addition, in the above, the roll paper R is exemplified as being made of toilet paper P, but the present invention can also be applied to, for example, tissue paper or thin, soft paper towel material.

In the above, an example was given in which urethane rubber was used for the cutting blade 34, but the rubber material for the cutting blade is not particularly limited as long as it has a certain level of friction resistance against the paper. Examples include silicone rubber and nitrile rubber.

As such, the present invention is not limited to the above-described embodiment. In other words, it goes without saying that the present invention includes design changes that do not deviate from the gist of the present invention, including various modifications and amendments that would be conceivable to a person with ordinary knowledge in the field of the present invention.

Description of the Reference Signs 1 Roll paper holder 2 Holder body 3 Back plate portion 4 Side plate portion 4A Inner surface 4B Top surface 4C Bottom surface 4D Front end 5 Holding mechanism 6 Support rod portion 7 Shaft removal groove portion 8 Shaft support groove portion 9 Shaft member 10 First pressing plate portion 10A Plate front end portion 13 Placement rod portion 14 Second pressing plate portion 14A Pressing portion 14B Front end 14C Front bottom surface 15 Connecting plate portion 16 Receiving base portion 17 Anti-slip column body 17A Bent portion 18 Hinge portion 19 Holding ball portion 20 Connecting shaft portion 34 Cutting blade portion C Central hollow portion K Wall surface P Paper R Roll paper W Groove width

Claims (4)

a holder body composed of a back plate and left and right side plate portions extending forward from both left and right ends of the back plate and facing each other; shaft support grooves engraved downward from the upper surface of each of the left and right side plate portions on the inner surfaces of the left and right side plate portions of the holder body, supporting both ends of a shaft member inserted into a central hollow portion of the roll paper; a first pressure plate portion connected to the rear of the holder body so as to be freely swingable up and down and pressing down the top surface of the roll paper with its front end; a loading rod portion bridged between the left and right side plate portions of the holder body and on which paper unwound from the roll paper is placed; a second pressure plate portion disposed in front of the first pressure plate portion and pressing down the paper on the loading rod portion; a connecting plate portion interposed between the first pressure plate portion and the second pressure plate portion and connecting them so as to be freely swingable up and down; and a cutting blade portion provided at the front end of the second pressure plate portion for cutting the paper hanging down from the loading rod portion,
a support rod portion that is attached to a lower surface of a front portion of the second pressing plate portion via a holding mechanism so as to be movable back and forth and that supports a front portion of the second pressing plate portion;
a support portion formed at a front end portion of each of the left and right side plate portions and configured to detachably support the support rod portion;
This roll paper holder is characterized in that it comprises a columnar anti-slip body that is erected at the front end of the receiving base portion and has an upper portion bent backward to prevent the support rod portion within the receiving base portion from slipping out in the forward and upward direction. The roll paper holder of claim 1, characterized in that the holding mechanism is composed of a through groove portion formed in the second pressure plate portion extending in the front-rear direction and penetrating in the up-down direction, a holding ball portion arranged above the second pressure plate portion with a diameter larger than the groove width of the through groove portion, and a connecting shaft portion inserted into the through groove portion so as to be freely movable back and forth and connecting the support rod portion and the holding ball portion. The roll paper holder according to claim 1 or 2, characterized in that the cutting blade is made of rubber material. A roll paper holder as described in claim 1 or claim 2, characterized in that a shaft removal groove portion is engraved on the inner surface of the left and right side plate portions, branching off from the middle of the shaft support groove portion and opening onto the underside of the left and right side plate portions.

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