EP0741537A1 - Papiertuchspender - Google Patents
PapiertuchspenderInfo
- Publication number
- EP0741537A1 EP0741537A1 EP95908248A EP95908248A EP0741537A1 EP 0741537 A1 EP0741537 A1 EP 0741537A1 EP 95908248 A EP95908248 A EP 95908248A EP 95908248 A EP95908248 A EP 95908248A EP 0741537 A1 EP0741537 A1 EP 0741537A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- roller
- axle body
- housing
- paper
- 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
- 238000004804 winding Methods 0.000 claims abstract description 18
- 238000005096 rolling process Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T225/00—Severing by tearing or breaking
- Y10T225/20—Severing by manually forcing against fixed edge
- Y10T225/238—With housing for work supply
- Y10T225/243—Blade on pivoted closure for housing
Definitions
- the invention relates to a paper towel dispenser according to the preamble of claim 1.
- a roller which can be composed of several disks, is fastened to an axle body which is rotatably mounted in the side cheeks of a housing.
- a lever is attached to one end of the axle body and is connected to the housing by a spring.
- the spring can be a tension spring (DE-A 2132756) or a spiral spring (DE-A 2836709) and has the purpose in both cases of rotating the roller into a rest position after it turns around when a piece of paper is pulled off a roll has been rotated a certain angle.
- the angle of, for example, 720 °, around which the roller can be rotated, is determined by a gear mechanism composed of cam disks, levers and other components, which also controls stroke movements of a separating device.
- a gear mechanism composed of cam disks, levers and other components, which also controls stroke movements of a separating device.
- an end region of the axle body is wrapped by a plurality of turns of a helical spring which has a spring end fixed to the housing and which, as a friction brake, is apparently intended to prevent the roller from rotating too quickly.
- the invention is based on the object of providing in a simple manner for a sufficiently precise limitation of the angle of rotation of the roller and for its resetting in a paper towel dispenser with a roller which determines the length of the web sections which can be pulled off a roller.
- the object is achieved with the features of claim 1.
- the end section of the spring which according to the invention is formed by spring windings lying tightly against the axle body, can be produced and assembled particularly easily; the spring is simply pushed onto the axle body overall, and no further measures are required in order to allow the spring windings wrapping around it to act as a directional lock on one end section of the spring.
- This means that the spring can only rotate in one direction relative to the axle beam; in the opposite direction, on the other hand, friction acts between the narrow spring windings and the axle body in such a way that these spring windings enclose the axle body even more tightly and consequently prevent a relative rotation between the spring and the axle body.
- the spring is coiled according to the invention in such a way that the directional lock formed by the narrow spring windings locks in the forward direction of rotation of the roller.
- a forward rotation of the roller results in the main part of the spring being tensioned, the spring windings narrowing until finally they also lie closely against the axle body and thereby prevent any further forward rotation of the roller.
- the roller is turned back by the spring.
- the rest position finally assumed by the roller is precisely predetermined; on the contrary, the reverse rotation of the roller causes the spring windings to temporarily expand beyond their original diameter.
- the back rotation of the roller is stopped not abruptly, but gently, with the spring in all its areas is only moderately used. Therefore, the spring does not have to be particularly strong to have a long service life.
- the further embodiment of the invention described in claim 2 has the advantage that the main part of the spring can expand only to a limited extent when the roller is turned back, namely only to such an extent that the spring windings lie against the inside of the roller avoided the risk that the spring turns of the main part of the spring get disordered when the roller is quickly turned back.
- Fig. 1 is a perspective view of an inventive
- Paper towel dispenser Fig. 2 is an enlarged cross section through parts of the same
- FIG. 3 shows a further enlarged longitudinal section through parts of the same paper towel dispenser
- FIG. 4 shows a modification of FIG. 3.
- the paper towel dispenser shown in FIGS. 1 to 3 has a housing 10 with a rear housing part 12, which has a mounting plate 14 with mounting holes 16 for screwing onto a wall or the like, as well as hinge pins 18.
- the mounting plate 14 carries a trough-like bearing 20 for a paper roll 22, from which a paper web 24 can be pulled through a slot 26 in the lower region of the bearing.
- Mounting plate 14 and bearing 20 are preferably one molded from plastic.
- the bearing 20 is primarily intended for rolls 22 without a winding core. For rolls with a winding core, it may be preferable to have a bearing which has two bearing pins which engage in the winding core.
- the trough-like mounting 20 is delimited by two lateral cheeks 28. Between these, a roller 30 is rotatably mounted on an axle 32 horizontally, parallel to the bearing 20.
- the axle body 32 is carried by the two cheeks 28 and is secured against rotation according to FIG. 3;
- the axle body 32 has at least on one of its two ends a polygon 34 which is firmly inserted in the associated cheek 28.
- the roller 30 has a hub 36 at each of its two ends.
- the roller 30 has a cylindrical outer circumferential surface 38 which is coated with corundum grains or covered with commercially available sandpaper or abrasive cloth or in some other way with a high degree of roughness Is provided.
- the roller 30 is hollow and encloses the axle 32 and a spring 40 with a radial space in the area between its two hubs 36.
- the spring 40 is wound in the manner of a helical spring made of steel wire and, as shown in FIG. 3, has an end section 42 made up of a plurality of spring windings which wrap around the axle body 32 so tightly that they are normally connected to it in a frictional manner and thus because of the firm connection of the axle body 32 with at least one of the cheeks 28 are assigned to the housing 10.
- the hub 36 of the roller 30 facing away from this end section 42 has an axially parallel hole 44. Following the end section 42 formed by narrow spring coils according to FIG. 3, the spring 40 has a main part 46.
- the illustrated paper towel dispenser includes a separating device 50, on which the paper web 24 which has been drawn off a predetermined distance from the roll 22 through the slot 26 and around the roller 30 can be severed.
- the separating device 50 is simply formed by a sharp-edged, toothed bar; however, the separating device 50 could also have a knife which carries out controlled cutting movements.
- the separating device 50 is formed directly on a hood-like front housing part 52 which, together with the rear housing part 12, forms the housing 10, which is normally only open towards the bottom.
- the hood-like front housing part 52 is mounted on the hinge pin 18 in such a way that it can be pivoted upward, so that it releases the bearing 20 for inserting a new paper roll 22.
- axle body 32 is in at its two ends, of which only one is shown in FIG one of each of the two side cheeks 28 is rotatably mounted, on the other hand firmly connected to the roller 30 for common rotation.
- at least one polygon 34 is in turn formed on the axle body 32, which is, however, fastened in a hub 36 of the roller 30, this hub being formed in comparison to FIG. 3 in an axially further inner region of the roller.
- the left cheek 28 of the housing 10 shown there has an axially parallel hole 44, and in this the now axially parallel end portion 42 of the spring 40 is inserted, so that this end portion 42 in turn - and now directly - the housing 10 assigned.
- the roller 30 is in turn assigned the opposite end section 48. However, as shown in FIG. 4, this is now formed by a few spring windings which closely surround the axle body 32, so that they form a directional lock with him - also with the roller 30.
- the spring 40 according to FIG. 4 does not fundamentally differ from the spring 40 shown in FIG. 3; in principle, the spring 40 according to FIG. 4 is only reversed in comparison to FIG. 3, its end sections 42 and 48 having interchanged the functions with one another.
- the right half of the roller 30 and the axle body 32, not shown in FIG. 4 is preferably symmetrical to the left half, and it is possible to arrange a spring 40 symmetrically to the one shown in FIG. 4 also within the right half of the Arrange roller 30 if it is desired to increase the spring action.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Unwinding Webs (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4403176A DE4403176C2 (de) | 1994-02-02 | 1994-02-02 | Papiertuchspender |
DE4403176 | 1994-02-02 | ||
PCT/EP1995/000365 WO1995020905A1 (de) | 1994-02-02 | 1995-02-01 | Papiertuchspender |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0741537A1 true EP0741537A1 (de) | 1996-11-13 |
EP0741537B1 EP0741537B1 (de) | 1998-05-06 |
Family
ID=6509299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95908248A Expired - Lifetime EP0741537B1 (de) | 1994-02-02 | 1995-02-01 | Papiertuchspender |
Country Status (5)
Country | Link |
---|---|
US (1) | US6053355A (de) |
EP (1) | EP0741537B1 (de) |
DE (2) | DE4403176C2 (de) |
ES (1) | ES2115364T3 (de) |
WO (1) | WO1995020905A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6899251B2 (en) * | 2001-09-28 | 2005-05-31 | Fort James Corporation | Gravity-feed dispenser and method of dispensing inter-folded napkins |
US6736466B1 (en) | 2002-08-27 | 2004-05-18 | Steven R. Helland | Paper towel dispensing apparatus |
US8152021B2 (en) * | 2005-12-29 | 2012-04-10 | Bobrick Washroom Equipment, Inc. | Paper towel cabinet with paper towel support bar |
US7328869B1 (en) | 2006-08-25 | 2008-02-12 | George Philip John Zies | Sheet product dispensing device |
US20090200328A1 (en) * | 2008-02-07 | 2009-08-13 | Rebecca Hoefing | Wipes Canister |
DE102008038525A1 (de) * | 2008-08-20 | 2010-02-25 | Wincor Nixdorf International Gmbh | Vorrichtung und Verfahren zum Sammeln von Rückgabegebinden |
US8978925B2 (en) * | 2009-11-13 | 2015-03-17 | Bobrick Washroom Equipment, Inc. | Paper towel cabinet with paper towel module |
US11737617B2 (en) * | 2021-04-08 | 2023-08-29 | Juliana Hamza | Towel dispenser |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3128024A (en) * | 1962-10-18 | 1964-04-07 | Fort Howard Paper Co | Roll towel dispensers |
AT289339B (de) * | 1969-02-27 | 1971-04-13 | Paul Aschbacher | Ausgabevorrichtung für von einem Streifen abgetrennte Blätter bestimmten Ausmaßes |
CH512227A (de) * | 1970-08-26 | 1971-09-15 | Cws Internat | Papierhandtuchspender |
CH633172A5 (en) * | 1978-06-21 | 1982-11-30 | Apura Gmbh | Device for dispensing portions of paper of a given length |
DE2836709C2 (de) * | 1978-08-18 | 1983-07-07 | Steiner Co. International S.A., Lausanne | Schneidmechanik für einen Ausgeber einer Papierhandtuchbahn |
US4738385A (en) * | 1986-10-29 | 1988-04-19 | Wilton Enterprises, Inc. | Dispensing apparatus |
DE8712163U1 (de) * | 1987-09-08 | 1987-10-22 | Grübel, Helga, 7014 Kornwestheim | Halter für Folienschlauchrollen |
DE4034504A1 (de) * | 1990-10-30 | 1992-05-07 | Feldmuehle Gmbh Scott | Vorrichtung zum ausgeben von bahnabschnitten von einer abgaberolle |
-
1994
- 1994-02-02 DE DE4403176A patent/DE4403176C2/de not_active Expired - Fee Related
-
1995
- 1995-02-01 WO PCT/EP1995/000365 patent/WO1995020905A1/de active IP Right Grant
- 1995-02-01 DE DE59502103T patent/DE59502103D1/de not_active Expired - Fee Related
- 1995-02-01 US US08/693,071 patent/US6053355A/en not_active Expired - Fee Related
- 1995-02-01 ES ES95908248T patent/ES2115364T3/es not_active Expired - Lifetime
- 1995-02-01 EP EP95908248A patent/EP0741537B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9520905A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE59502103D1 (de) | 1998-06-10 |
WO1995020905A1 (de) | 1995-08-10 |
US6053355A (en) | 2000-04-25 |
DE4403176A1 (de) | 1995-08-03 |
ES2115364T3 (es) | 1998-06-16 |
DE4403176C2 (de) | 1998-08-27 |
EP0741537B1 (de) | 1998-05-06 |
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