EP4307973A1 - Handtuchspender - Google Patents
HandtuchspenderInfo
- Publication number
- EP4307973A1 EP4307973A1 EP21724537.2A EP21724537A EP4307973A1 EP 4307973 A1 EP4307973 A1 EP 4307973A1 EP 21724537 A EP21724537 A EP 21724537A EP 4307973 A1 EP4307973 A1 EP 4307973A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- towel
- towel dispenser
- fresh
- dispenser according
- double roller
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers; Toilet paper dispensers
- A47K10/28—Towel dispensers; Toilet paper dispensers dispensing a clean part and taking-up a soiled part, e.g. using rolls; with dispensers for soap or other detergents; with disinfecting or heating devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers; Toilet paper dispensers
- 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
- A47K10/36—Dispensers for paper towels or toilet paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
- A47K10/3656—Dispensers for paper towels or toilet paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices with paper jam preventing devices
Definitions
- the invention relates to a towel dispenser according to the preamble of claim 1,
- Towel dispensers which allow a towel to be dispensed in portions from a towel roll have been known for a long time, for example from European Patent Specification EP 1 191 872 B1.
- This blocking can have several causes.
- the invention aims to remedy the situation.
- the invention is based on the object of preventing the described blocking of the towel in a towel dispenser with a simple and reliable device.
- the invention solves the problem with a device which has the features according to claim 1.
- the advantages achieved by the device according to the invention can essentially be seen in the fact that the annoying blocking of towels in the towel dispenser is prevented; and it is immaterial for the trouble-free function of the towel dispenser how the fresh towel roll is inserted into the towel dispenser (with rotation in the clockwise or counter-clockwise direction),
- the device according to the invention can be integrated in the area of the trough-shaped fresh-cloth receptacle into which the fresh-cloth roll 3 is placed (FIG. 1).
- the two rollers of the double roller each have a laterally attached drive means which are rotatably coupled to one another via a coupling means (e.g. a gear wheel, friction wheel or toothed belt) which cooperates with both drive means; so that the two rollers of the double roller can only be rotated in the same direction, clockwise or counterclockwise.
- a coupling means e.g. a gear wheel, friction wheel or toothed belt
- the fresh towel is placed in the tub-shaped fresh towel holder of the towel dispenser as specified.
- the fresh cloth is pulled, the remaining winding of the end of the cloth is pulled onto the two rollers of the double roller.
- the remaining winding of the fresh tissue roll rotates counterclockwise.
- the fresh tissue drives the bottom roller in a clockwise direction. Since the top roll rotates in the same direction as the bottom roll, the rest of the winding at point A (Fig. 9) is driven counterclockwise. In this way, the fresh towel cannot unintentionally get into a bottleneck in the towel dispenser and block the transport of the fresh towel.
- the fresh tissue is inserted into the trough-shaped fresh tissue receptacle contrary to the specification.
- the fresh cloth is pulled, the remaining winding of the end of the cloth is pulled against the two rollers of the double roller.
- the rest of the wrap rotates clockwise, the fresh tissue drives the top roller counter-clockwise. Since the bottom roll rotates in the same direction as the top roll, the rest of the winding at point B is driven clockwise. In this way, the towel cannot unintentionally end up in a narrow part of the towel dispenser and the transport of the fresh towel To block.
- the device according to the invention on the one hand prevents the fresh towel from becoming blocked in the towel dispenser and at the same time the user is given the option of being able to insert the fresh towel roll in both directions of rotation.
- the drive means for the two rolls of the double roll and the coupling means are implemented in the form of meshing gear wheels (FIG. 6).
- the drive means implemented as gearwheels advantageously have 14-21 teeth each, preferably 15-18 teeth each.
- the transmission ratio of the drive means implemented as gear wheels is expediently 1:1.
- the drive means for the two rolls of the double roll and the coupling means can be implemented in the form of mutually cooperating friction wheels or toothed belts.
- the gap width S between the two rolls of the double roll is advantageously in the range of 2 - 6 mm, preferably 3.5 - 4.5 mm, so that a fresh cloth thickness D in the range of 0.5 to 1.5 mm between the both rollers can be guided.
- the surfaces of the two rolls of the twin roll are provided with a number of ridges or protuberances (Figure 7).
- the protuberances expediently have a maximum height of 1.5 mm, preferably a maximum of 1.0 mm.
- the protuberances expediently have a height of at least 0.5 mm, preferably at least 0.7 mm.
- the lateral surfaces of the two rolls of the double roll have a covering made of an elastomer, preferably a thermoplastic elastomer.
- the drive means of the double roller are expediently made of a thermoplastic, preferably POM.
- the coupling means advantageously consist of a thermoplastic, preferably PA.
- the number of teeth of the drive means realized as gear wheels is a prime number of teeth of the clutch means realized as gear wheels.
- FIG. 1 shows a perspective view of the interior of a towel dispenser according to the invention
- FIG. 2 shows a longitudinal section through a towel dispenser according to the prior art with a correctly inserted roll of fresh tissue with only a few remaining turns;
- Fig. 3 shows a longitudinal section through a towel dispenser according to FIG
- FIG. 4 shows a longitudinal section through a towel dispenser according to the prior art with a fresh roll inserted in the wrong direction of rotation
- Fig. 5 shows a longitudinal section through a towel dispenser according to FIG. 4 with the remaining turns of the fresh towel roll that have fallen over the fresh towel pad
- 6 shows a partial side view of an embodiment of the device according to the invention in the area of the double roller and the additional gear wheel
- 7 shows a partial front view of an embodiment of the device according to the invention in the area of the double roller and the additional gear wheel
- FIG. 8 shows a schematic side view with a correctly inserted roll of fresh tissue with the fresh tissue inserted between the two rollers of the double roller;
- FIG. 9 shows the same schematic side view as FIG. 8, but with the residual winding of the roll of fresh tissue pulled onto the double roller;
- FIG. 10 shows a schematic side view with a fresh tissue roll inserted in the wrong direction of rotation with the fresh tissue inserted between the two rollers of the double roller;
- FIG. 11 shows the same schematic side view as FIG. 10, but with the residual winding of the roll of fresh tissue pulled up to the double roller;
- the embodiment of the towel dispenser according to the invention shown in FIG. 1 has a trough-shaped receptacle 2 for a fresh towel roll 3, a mechanism for portionwise unwinding fresh towel 1 from the fresh towel roll 3 and winding it onto a used towel roll 5 after use.
- the fresh tissue 1, which has a width of 180 mm, is guided through a double roller 6; 7 arranged after the fresh tissue roll 3.
- the two rollers of the double roller 6;7 have a diameter of 24 mm and a width of 210 mm (i.e. they are 30 mm wider than the fresh cloth 1 in order to compensate for a possible lateral offset of the fresh cloth 1 and thereby prevent the fresh cloth 1 from jamming at the side ).
- the two rollers of the double roller 6.7 each have a gear wheel 8:9 which is coupled to one another via an additional gear wheel 10 engaging in both gear wheels 8;9 and can therefore be driven.
- the gears 8.9 are made of POM and both have exactly 17 teeth.
- the base body of the two rollers of the double roller 6.7 are made of a thermoplastic, with the as Friction surface acting cylindrical lateral surface of the two rollers consists of a thermoplastic elastomer.
- the surfaces of the two rolls also have a larger number of 1 mm high protuberances in order to improve the adhesion of the fresh tissue to the roll surface.
- the additional gear 10 (FIG. 6) engaging in the gears 8; 9 has 20 teeth, has a diameter of 33 mm and is made of PA.
- the additional wheel 10 causes the two rollers of the double roller 6; 7 to be able to rotate only in the same direction, clockwise or counterclockwise.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Unwinding Webs (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CH2021/050006 WO2022232955A1 (de) | 2021-05-04 | 2021-05-04 | Handtuchspender |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4307973A1 true EP4307973A1 (de) | 2024-01-24 |
| EP4307973B1 EP4307973B1 (de) | 2025-06-11 |
| EP4307973C0 EP4307973C0 (de) | 2025-06-11 |
Family
ID=75887774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21724537.2A Active EP4307973B1 (de) | 2021-05-04 | 2021-05-04 | Handtuchspender |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP4307973B1 (de) |
| WO (1) | WO2022232955A1 (de) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2100729A (en) * | 1933-02-11 | 1937-11-30 | Steiner Sales Co | Towel dispensing apparatus |
| US2772937A (en) * | 1954-09-16 | 1956-12-04 | White Castle System | Escapement mechanism for webdispensing apparatus |
| US3858951A (en) * | 1972-03-29 | 1975-01-07 | Georgia Pacific Corp | Towel dispenser |
| JP4328048B2 (ja) * | 1999-07-05 | 2009-09-09 | ハー・テー・エス・インターナツイオナール・トラデイング・アー・ゲー | ハンドタオルディスペンサ |
-
2021
- 2021-05-04 EP EP21724537.2A patent/EP4307973B1/de active Active
- 2021-05-04 WO PCT/CH2021/050006 patent/WO2022232955A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP4307973B1 (de) | 2025-06-11 |
| WO2022232955A1 (de) | 2022-11-10 |
| EP4307973C0 (de) | 2025-06-11 |
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