CA2154159C - Automatic wiping material and toilet paper dispenser - Google Patents

Abstract

A wiping material dispenser for wiping hands and automatically dispensing toilet paper, remarkable in that the protective housing (2) is provided with parallel flanges (2.1-2.2) perpendicular to the rear plane of the housing in a hand towel dispenser embodiment, or between a front flange and a rear wall in a toilet paper dispenser embodiment. The drum (4) and the pressure member (6) may be snap fitted, said flanges or rear walls being provided with tabs (2.4, 2.10) made flexible by preformed flexing slots (2.3.1, 1.2.11) in the flanges and/or rear wall of the dispenser, said tabs having recesses (2.5, 2.14) for receiving the pressure member, while the flanges and/or the rear wall of the housing and the front flange also have notches (7.1, 2.6) for locating the drum rod ends. The various recesses for the ends of the drum pressure member rods face one another, the pressure member receiving tabs resiliently hold said pressure member against the drum and automatically lock it in position within the dispenser housing, and the drum and pressure member positioning areas are freely accessible through apertures at the front of said tabs and flanges so that the components of the dispenser may be assembled quickly.

Description

WO 94/17715 "~ PCT / FR94 / 00116 APPARATUS FOR DISPENSING WIPING MATERIAL AND PAPER
TOILET WITH AUTOMATIC OPERATION
The invention relates to the technical sectors of dispensing apparatus of wiping paper, of cellulose wadding, crêpe paper or materials similar, intended more particularly for wiping the hands of users, and toilet paper.
There are many wipers with manual operation, 1o semi-automatic, automatic, which perform the aforementioned function. The Applicant has, in particular, developed several devices of this type, central unwinding, folding the strip of material in the form of folds in accordion, and also in automatic paper dispenser, using a cutting device, integrated in a drive drum. All these The devices are currently operated, having high reliability in their operation. Depending on their constitution, these different devices have prices very variable from each other, and are adapted to different market segments.
As part of his personal research, the Claimant became interested in the design of a new automatic operation apparatus including, in its architecture, a reduced number of pieces to be able to attack a market for hand towels or toilet paper, at low cost.
s A goal sought according to the invention was to design an apparatus arranged so that the assembly of its various components can be carried out manually without a specific tool, in a fast and simplified way.

WO 94/17715 PCT / FR94 / O00 ~ s-, -Another object sought after according to the invention was to design an apparatus in which the different components are, after installation, self-locked ' by being adapted to paper distribution regardless of constraints voltage that can be generated (or the draw by the user.
Another object sought after according to the invention was to ensure locking in position of the device components by playing on the elasticity of certain fixed position parts established on the support housing and cover.
Another object sought after according to the invention was to produce a device which can 1o be quickly mounted or disassembled by an operator, allowing also a variation of the characteristics of the drum and dipositive of cut if necessary, without any change in the structure of the the device.
These and other goals will be apparent from the rest of the description.
According to a first characteristic, the apparatus dispensing material for wiping paper towels or automatic toilet paper is notable in that it includes a molded plastic housing receiving in its upper part a material feed spool wiping paper or toilet paper, a drum supporting the cutting blade, and 2o a pressing means ensuring the feeding of the paper strip to the drum and tensioning paper, the articulated cutting blade in the drum being moved by the cooperation of a toothed heel associated with the axis of the cutting blade and cooperating with a means to rack fixed and internally positioned on one of the wings of the casing, the drum being associated with a launch mechanism, a hood of protection being hinged to the housing and snapping onto it.
this, V °! ~ (J ~ 94117715. ~ ~ PCT / FR94 / 00116 c 3, ~. _ and in that the protective casing is arranged with parallel flanges perpendicular to the rear plane of the housing in its hand towel version, or between a front flange and the rear wall of the housing in its version of distribution of toilet paper, to allow the assembly of the drum and the snap-fit pressing element, said flanges or rear walls of the apparatus being arranged with tongues having an elastic capacity of deformation given by preformed elastic slits on the flanges and / or rear wall of the apparatus, said tabs having housings for receiving the pressing element, and the flanges and / or the rear wall of the housing and the front flange also having notches for the positioning of the ends of the axis of the drum.
According to another characteristic, the different housing ends d ° axes of the pressure element of the drum are oriented opposite, and in this that the receiving tongues of the pressing element provide elasticity pressing of the pressing element on the drum and self-locking in position of the pressure element of the drum in the housing of the apparatus, and what access to the positioning zones of the pressing element and the drum is made freely by cuts formed in front of said tabs and flanges allow rapid assembly of the components of the device.
According to another characteristic, the monobloc drum comprises a ~ tree around which is arranged on all or part of its periphery a plurality of adjacent and parallel disks comprising intermediate discs of the same configuration serving as support for the drawn paper, and having on their periphery an indentation for the positioning and housing the cutting blade in the rest position, said tree receiving a first front end disc and a second disc t: Y. 1 'at ~~~~ 1 ~~ - 4 _ rear end allows positioning and articulation of the blade of cut, and in that the rear end disc is arranged with a means defining an interior chamber for receiving rack means adapting to a fixed position on the wing opposite the casing, and in that the blade of cutting is arranged at one end opposite the means with a heel profile comprising a plurality of teeth forming a rack which may cooperate during rotation of the drum, with a plurality of teeth constituting a fixed rack formed on the medium, and in that a stop means ensures, after the partial rotation of the drum for the cutting operation of the paper web, the 1 ~ reengagement of said cutting blade in a trajectory opposite to the sense rotation of the drum, in the notches formed on the latter, during the additional rotation of the drum for presentation for a new operating cycle, and in that the rotation of the drum is obtained by means of a pressing means ensuring the feeding of the paper web to the drum and its tensioning by a pull of the end of the paper tape by the user.
According to another characteristic, the protective cover comprises means in the form of legs which are likely to bear on the receiving tongues of the pressure element, and / or on the crankcase flanges drum receiver and / or on the tongues and on said flanges.
These and other characteristics will emerge from the rest of the description.
To fix the object of the invention illustrated without limitation to the figures of drawings where ~ 0 94/17715 PCT / FR94 / 00116 ~~. ~ 415 9 FIG. 1 is an exploded perspective view, before assembly, of a apparatus, in a first implementation according to the invention, FIG. 2 is a front view of the apparatus according to FIG.
mounting, the protective cover having been removed, in the non-operating phase, FIG. 3 is a cross-sectional view along line 2-2 of FIG.
figure

2 - Figures 4, 5 and 6 are large scale views illustrating the different positioning phases of the rack associated with the blade relative to the rack with fixed position integrated in the drive drum, FIG. 7 is a schematic view illustrating the trajectory of the cutting blade, according to a rotation cycle of the drum, FIGS. 8 and 9 are schematic views illustrating a means for controlling the position of the blade holder in the drum, according to the operating cycle, - Figure 10 schematically illustrates the attack position of the paper 1s By the cutting blades, - Figure 1 1 is a side view illustrating more particularly the disk end-piece formed on the drum with a non-return stop means complementary, FIG. 12 is a schematic view, in section, of the apparatus illustrating the housing in open position, FIG. 13 is a view according to FIG. 12, the casing being in position closed, FIG. 14 is a plan view of the apparatus, with the cover removed, illustrating special arrangements of the drum and the pressure roller, FIG. 15 is a schematic view, from the side, according to the flying of the apparatus, and illustrating the elastic mounting of the means Feeding of paper tape, - Figure 1 6 is an axial sectional view from the other side of device WO 94/17715 PCT / FR94 / 00116 ~, . r ;, x -intended to illustrate the operation of the cutting device, FIG. 17 is a view in axial section along line AA of FIG.
4, to from the middle area of the device, FIG. 18 is a view in axial section along the line BB of FIG.

FIG. 19 is a large-scale view illustrating the feeding means from the paper tape to the drum, FIG. 20 is a sectional view of the drum along the line CC of FIG.
figure i 4, FIG. 21 is a side view of the drum illustrating, in particular, the means anti-tilting stop of the gear member associated with the roller lo feeding the paper web to the drum, FIG. 22 is an alternative view of the drum of the apparatus, FIG. 23 is a sectional view along the line DD of FIG. 22, FIG. 24 is a view of the feeding means of the paper web in its configuration to cooperate with the drum illustrated in FIGS.

FIG. 25 is a three-quarter perspective view of the structure-frame the device before mounting components that can be used, FIG. 26 is a front view of the apparatus according to section EE of FIG.
figure 27 after assembly of its components, namely:
material, the receiving drum of a cutting device and the pressing element 2o material acting in support on the drum, FIG. 27 is a side view along the line FF of FIG. 26, FIG. 28 is a side view along the line GG of FIG. 26, - Figure 29 is a perspective view before mounting the device in its application to the distribution of toilet paper, FIG. 30 is a front view in section along line HH of FIG.

FIG. 31 is a sectional view along line II of FIG. 30;

WiCi 94/17715 PCTlFR94 / 00116 - -~~ .5415 ~
FIG. 32 is a rear view of the apparatus according to FIG. 29.
In order to make the object of the invention more concrete, it is now described a non-limiting way to the figures of the drawings.
The apparatus according to the invention is suitable for dispensing and cutting automatic wiping materials of any suitable material, wadding cellulose, crepe paper and the like, being intended primarily for wiping hands, or dispensing toilet paper.
The two versions of paper towels, toilet paper are illustrated, the main device components remaining the same. Only their positioning at the inside of the protective cover and cover is modified, as well as appears in the drawings and will result from the description.
As indicated above, one of the goals sought according to the invention was to design an arrangement of the structure of the receiver housing of the components allowing fast assembly, easy access, reliable, in all operating safety, without the use of any particular tool to ensure such an assembly or disassembly.
Moreover, as will appear in the rest of the description, the arrangements and means used make it possible to obtain self-locking of different components of the device in a simple, fast and without the use of special mechanical means.
~ n will first describe with reference to the main features of the dispensing apparatus according to the invention, before describing the various modes ~~. ~~ 1 ~~ _ 8 _ implementation of its components and features.
The paper towel dispenser for paper towels or paper towels toilet is arranged to operate automatically. This device is referenced as a whole by (1). It comprises six parts constituting all the components and mechanisms necessary for its operation. The apparatus first comprises a casing (2) molded in plastic material capable of receiving, in its upper part, a coil

(3) supply of wiping material or toilet paper, a drum (4) support of the cutting blade (5), as well as a means (6) pressing ensuring, on the one hand feeding the paper web to the drum and on the other hand First, the tensioning of the paper. Movement movements of the blade towards the drum in order to cut the paper, are obtained by a rack (7) positioned internally and fixedly on one of the wings (2.1) of the housing (2). The cutting blade (5) can be set in motion according to mechanisms and means described in the following description. A
protective cover (8) protects the aforementioned mechanisms and the paper roll for distribution. The protective cover is positioned and articulated at the base of the housing of the apparatus being fixed by a snap on the housing with a locking tab located in the upper part of it.
2o The drum comprises a small diameter shaft (4.1) on which is position a plurality of adjacent and parallel disks (4.3), the discs.
having a profiled notch (4.4) capable of constituting the housing of the cutting blade (S). The rack-and-pinion means (7) disposed internally in a fixed position against one of the walls of the housing in the extension of the drum axis cooperates with a heel-shaped piece (9) having a plurality of teeth associated with the axis of the cutting blade, ~ 0 ~ 94117715 'r, ., this heel piece cooperating with the rack by defining the 'Outgoing movements of the cutting blade out of the tari ~ bour in the conditions described in the following description.
The cutting blade holder (5) is centered in notches or housings formed between one of the end flanges of the drum, and between a piece forming sector (4.5) disposed at the other end of the drum opposite the middle rack (7). The drum can be arranged with a solid part exterior established for example in the form of a half-diameter while discs of the aforementioned type remain apparent on the second half of the lo drum. The drum may have, on its visible parts, zones gripping to allow a good holding and training of the band of paper. The drum forms a one-piece assembly. In a variant of embodiment, the drum may have a honeycomb structure (4.6) with the deletion of the central link axis but by presenting, at its ends, axes for its maintenance in position between the flanges. This Honeycomb structure may be established on all or part of the volume of the drum with preferably a half-diameter, a solid shape (4.7) facilitating the passage and training of the material. A drum of this kind has the advantage of a plastic realization with a large ease of molding, while having the capacity of rigidity and lightness.
On the side opposite to the rack (7), the drum extends beyond its end disc by an axis (4.2) with an eccentric lever (4.8) allowing the positioning of a spring (R) of tension and of drum, the assembly being shaped directly with said drum.
The pressing element (6) resting on the drum and in particular on the WO 94/17715 PCT / FR94 / OOI'16 ~:
- lo -, end and intermediate discs, also presents, all over its length, a plurality of disks (6.1) resting on the parts corresponding of the drum. This element (6) is centered and articulated between side flanges (2.1 - 2.2) formed on the housing. This element (6) is also realized monobloc.
These main provisions and components of the dispensing apparatus being defined, it is now appropriate to describe the particular characteristics of casing. that allow positioning, in the best conditions access, different components, by manual assembly without the help lo of particular tools or mechanical means with reference to FIGS.
32.
First of all, reference is made, according to the invention, to the dispensing apparatus in its use in the distribution of paper towels in which the traction paper by the user is from the front.
As indicated above, the drum (4) and the pressing element (6) are positioned between the flanges (2.1 - 2.2) of the housing. Each of these flasks is established in a very special way to allow the assembly of the drum and the snap-fastener pressing element on the elasticity 2o said flanges. In addition, these flanges are arranged with shapes that allow self-locking of the drum and pressing element after mounting.
For this purpose, looking at the camera from the front, the right side flange (2.2) situated side of the drum launching mechanism is arranged with a cut (2.3) shaped T-shaped arranged obliquely, the leg (2.3.1) of ~; 0 94/17715 ., ~.

T being raised upwards and backwards from the flange while being large length. The bar (2.3.2) of the T is such that at its ends it penetrates in the upper part of the flange, the leg defining by its length a tongue (2.4) forming a hook. The T bar at its ends high and low rounded inner dwellings (2.5) allowing the positioning one of the ends of the pressing element. The lower part the head of the T-shape is shaped with a rounded shape (2.6) notched forming housing of one end of the axis of the drum. The flange is cut in (2.16), in its front part, to allow access, the passage and the mounting of the pressing element (6) and the drum (4). The leg (2.3.1) of the T-cut allows to define and ensure the upper tab a certain elasticity of assembly for the insertion of the pressing element (6) and the drum (4). The upper tab forms in hook end (2.7) with a ramp to the receiving notched zone of the axis of the pressing element (6).
The other flange (2.1) located on the left, according to the front view, presents a part receiver of the rack (7) with an opening (2.8) for the passage of one of the axes of the drum. The rack surrounds said opening. The flask thus presents a solid part (2.9) which is extended upwards by a separate tongue (2.10) by a slot (2.1 1) conferring on said tongue some elasticity. The slot (2.1 1) above is exactly in the same plane and angulation as the leg (2.3.1) of the T-cut formed on the other flange. The flange (2.1) has a cutout (2.12) before allowing access to the slot (2.1 1) ~ defining the tongue, while that the tongue is arranged in a manner similar to the previous one with a hook shape (2.13) fitted with a bottom housing (2.14) allowing the engagement of the other end of the pressing element. The WO 94/17715 PCT / FR94 / OOlYb, . "

housings (2.5 - 2.14) formed on the tongues may where appropriate receive additional resources to ensure good ends of the pressure element, and especially to avoid any deterioration or wear of the bottom part of the flanges during the handling of the element presser.
It is arranged at its ends with a groove (6.2) coming insert into said housing, while at the end the axis of the element presser has shoulders (6.3) which are likely to come into support against the outer walls of the flanges and tongues in particular.
The components are then mounted as follows. We position the drum by its first end heeled tooth side so that its axis penetrates into the rack form (7) disposed on the flange (2.1).
said Rack-shaped form thus bearing receiver and guide the axis. These said forms have a cutout (7.1) allowing and facilitating the positioning or removal of the drum axis, the other end of the axis of the drum has a groove (4.5) located in front of the part eccentric (4.8), said groove being inserted into the lower housing (2.6) made on the flange, then position the element presser (6). This one is also introduced and positioned by the front of the device. It comes, at the very beginning of the assembly, in support on the drum and the grooves (6.2) bear on the lower faces (2.15) forming ramps of the parts hooks of the tongues. A push backwards manual operation of the element (6) will slightly raise the tabs thanks to their elasticity due to oblique slits. The thrust to the rear of the element (6) will simultaneously cause a slight rotation of the drum towards the back then the element (6) will snap into the housing higher , '~ VU 94 / I7715 ~ ~ ~ 4 ~ 5 9 PCT / FR94 / 00116 . 'r,',.

formed on the hook parts of the tongues.
By elasticity, said tabs will maintain in firm support the element presser (6) against the drum, the different discs of the pressing element being in contact with the corresponding parts of the facing drum.
The different receptors receiving the axes of the pressure element of the drum are next to each other.
The assembly is simple, fast ,. efficient and easy access. Disassembly easily done by manually clearing one of the ends of the pressing element against the corresponding tongue.
The axis of the drum beyond its eccentric part (4.8) has a throat (4.b) allowing the attachment of the return spring (R), the other of which end (R1) is attached to the rear wall of the housing. This throat extended itself in one-piece fashion by a disk-shaped profile (10) with a central rib (10.1), the assembly constituting an operating knob for charging the device.
A hoop (12) in the shape of a gooseneck having at its end a clevis (1, 2) fitting around one of the upper discs of The pressure element (6) to control the guiding of the paper web. AT
the rear of the gooseneck arch is provided a storage area (13) of the reel of material at the end of use and storage of the mandrel. of the lateral flanges (14), directly formed with the frame, thus define the receiving area of the reels of wiping material at the end of distribution.
to complete the assembly, security and locking of different WO 94/17715 PCT / FR94 / 001; 1 ~.
'r ~, components, there is provision for a special arrangement of the cover of the device.
More particularly, as illustrated in the drawings, the front face (8.1) of the hood has at least two horizontal legs (8.2) which are likely to come, when closing the lid, presser sure parts of the flanges (2.1 - 2.2) of the crankcase parts and more particularly receiving tongues of the pressing element. These legs thus ensure a firm hold of the tongues in position while allowing to absorb any effects of tension that may result in the draw of the 1o tape of paper by the user. These legs can be arranged either in support against the upper parts of the tongues, or against the faces bottom flanges in the drum receiving areas, such as illustrated in the drawings, or four tabs are provided for different aforementioned parts. This results in extremely secure locking effective and reliable. The opening of the lid then releases said tabs and it is possible, as indicated previously, to release the pressing element and then the drum. The material is loaded as before. The upper spool pin mounted in the upper part of the unit delivers a strip of material. For loading, the operator drops the tape material from the front of the machine and then close the lid. This one assures the additional locking of the various components. The paw (8.3) horizontal formed on the lid then allows the introduction of paper between the pressing element and the drum. The operator maneuvers the button (10) against the elastic return means. The end of the band paper then passes under the effect of driving the pressure element of the drum, behind the latter, then overflows into the lower part of the device. A slot (1 5) known in itself is thus formed under the plate W ~ 94/17715 PCT / FR94 / 00116 horizontal bottom (2.17) of the housing for the evacuation of the paper. The device is ready to be in operation.
As it follows from the present description, the whole is of a design extremely simplified. The assembly of components, drum (4) and pressing element (6) is very simple, the drum having received previously the cutting blade holder (S) associated therewith.

It is now appropriate to describe the structure of the housing of the apparatus in its version for the distribution of toilet paper as illustrated in FIGS.
32.
The drum (4) and blade (5) components as well as the pressing element (6) remain the same, as well as the charging mechanism of the device in material including from the drum a prolonged eccentric shape by an operating knob (10), a return spring (R) being hooked by one of its ends.
In the case of the toilet paper dispenser, the roll of material is unrolled in a plane perpendicular to the rear support plane of the device. This support plane receives, in its upper part, a mandrel (17) receiver of the material coil.
To ensure the positioning of the drum and its cutting device associated, as well as the pressing element under the same conditions as previously, the casing (18) is arranged with, on the one hand, on its plane rear (18.1) and, on the other hand, on its front part, with a flange reported (19), the rear plane and the flange being arranged with shapes and cutouts allowing the positioning of the drum (4) and the pressing element (6).

WO 94/17715 PCT / FR94 / 001 ~~
,, ~~. ~ 1 ~ 9 _ The inner rear portion of the housing has an opening (18.2) with a rack (7) capable of receiving the end of the axis of the drum in the conditions described previously. Above, the rear wall of the crankcase has a U-shaped cutout (18.3) with branches (18.4) convergent shapes defining the shape of a tongue (18.5) having a certain elasticity of deformation. This tongue by its front part forms head or hook (18.6), with a slot or slot (18.7) of one end of the pressing element. The adjacent part of the housing forms ramp (18.8) to allow elastic insertion of the pressing element for the purpose of positioning the groove formed on said element in said housing. Of 1 ~ the other side and the front, the device has a flange (19) disposed transversely to the apparatus parallel to the rear support plane. This flask has in its lower part an opening (19.1) housing allowing positioning of the drum axis at the location of the throat formed between the last disc and the eccentric part. In its part back, the flange has an anchor pin (19.2) at one end of the return spring (R) of the drum. In its upper upper part, the flange is arranged with a corresponding tongue shape (19.3) almost identical with that formed on the rear wall of the housing. These tongues are thus in the same plane with the same inclinations.
The tongue (19.3) formed on the flange (19) is connected to the latter by its rear part (19.4), while an intermediate slot (19.5) confers the desired elasticity at the tongue. This one, in its front part, forms hook (19.6) with a ramp (19.7) to a dwelling (19.8) or notch allowing the positioning of the other end of the element pressure at his throat. The pressing element, by its shoulder-forming ends, bears against the outer parts of the rear wall of the housing and the tongue associated with the front flange.

~ (LO 94/17715 'PCT / FR94 / 00116.
e i The assembly of the drum and its associated cutting device, as well as the pressure element, is carried out in the manner described above for the hand towel device. The drum is of the type described with a plurality of discs established on a half-cylinder and then extended by a shape full receiving an attachment area of the paper web. The element presser is arranged with a plurality of disks capable of coming into support against the corresponding forms of the drum.
As indicated above, the pressure element is snapped into the cut-outs formed on the tongues against elastic deformation 1o of these. By the elastic return effect, said tabs contribute to ensure a maintenance of the pressing element on the drum.
Incidentally, the casing is arranged, in a complementary manner, with a hoop shaped like a gooseneck (12). This arch has at its end a Clevis (12.1) shape fitting around the disc next to the element presser. At the rear of the arch is a storage receptacle area (13) coils at the end of the cycle delimited by the rear wall of the receptacle, the inner face of the flange, the hoop proper and a return angle.
Underlying the drum, the housing has a horizontal bottom plate (18.9) with a cutout or slot (20) allowing the passage and 2 o paper distribution.
Between the aforementioned slot and the drum, is advantageously disposed of known manner a roller (21) preventing the paper pulled to re-enter at inside the device. The drum and the underlying roll are associated Mon to the other by a guide belt (22) of the paper at the exit of the device.
This roller is properly held between the rear wall of the housing and WO 94/17715 PCT / FR94 / 00116.
. ~, t,, a connecting lug disposed at the front of the apparatus and secured to the plate horizontal support of it. The front flange has a cutout rounded allowing passage of said axis.
It is now appropriate to describe in more detail and according to different embodiment and embodiments according to FIGS. 1 to 24, the components of the apparatus while remaining within the concept of the invention described above.
The housing (23) is made in one piece. made of plastic, and includes a bottom plate (23.2) having side wings (23.1 a - 23.1 b) profiled to form, in their upper part, protrusions in triangulation (23.3) 1o having opposite and directly formed endpieces (23.4), cylindrical, allowing the assembly of the coil of materials (24). This last comprises, in known manner, a cylinder or sleeve (24.1) interior likely to come to engage by its ends on said free-fitting bits. Said wings have a slight flexibility for allow the assembly of the coil. In addition, ribs are provided.
(23.5) formed between the end pieces and the bottom plate (23.2) of the housing, these ribs to maintain and maintain a good positioning the turns together of the coil. The bottom plate has, in its upper part, a profiled hook (23.6) or medium equivalent, intended to snap onto the hood, to ensure 2o closure of the whole, it being completed by all means of additional locking if necessary.
r Advantageously, the bottom plate has a cutout (23.7) allowing, where appropriate, access to the inside of the mechanisms.

'° ~' ~ 21 ~~~. i ~
~ - 19 -The lower part (23.1 c) of the casing wings extends forward on a wide depth thus corresponding very substantially to the width of the device. These wings are arranged with a plurality of holes for allow, on the one hand, the positioning of the drum associated with the device of cutting, of centering pins, means (7) rack with fixed position, and on the other hand means (6) feeding the strip of materials and tensioning it. Advantageously, said lower part of the wings of the casing has a cutting line (23.1 d) to provide flexibility, a on the other hand, when assembling the medium (6) and especially to allow a slight deformation to accompany the tensioning movements and lo press the paper on the drum.
The casing has, in addition, a horizontal wall capable of receiving directly formed a hoop (12) in the shape of a gooseneck of the type described previously and arranged in the middle part of the apparatus opposite the drum and allowing the guiding of the drawn paper web.
Advantageously, the horizontal wall has, on the outside, a border longitudinally rounded (23.9), facilitating the guiding of the paper at its exit, and disposed opposite a similar rounded longitudinal border (8.4) formed on the hood in the lower part of the protective cover.
The drum (4) is made in one piece of plastic material and comprises advantageously a shaft (4.1) whose ends (4.9), forming a finger, come to engage in openings (23.10) arranged opposite aforesaid wings of the housing. This drum includes a small diameter shaft around which is disposed and regularly distributed a plurality of disks (4.3) adjacent and parallel identified successively from right to left in WO 94/17715 PCT / FR94 / OOllb : ~, 1 ~ 41 ~ ~ _ 20 _ ~
looking at the drawings by (4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.3.5, 4.3.6, 4.3.7).
The discs (4.3.2, 4.3.3, 4.3.4, 4.3.5, 4.3.6) have the same configuration and have on their periphery a profiled indentation (4.4) capable of constitute the housing of the cutting blade (5) as specified by the S suite. The disk (4.3.1) is full and has advantageously on its periphery a notch (4.3.1 a), and is likely to carry out the order in driving in rotation of the drum under the action of the means (6) which will be described later. The front end disk (4.3.1) further comprises a hole (4.3.1 b) allowing the engagement and centering of one end of the axis of the blade (5). The rear end disc (4.3.7) has a hole lo (4.3.7a), near its periphery, allowing positioning and centering from the other end of the blade. The rear end disc (4.3.7) is particular in that it comprises an inner peripheral collar, disposed opposite the adjacent intermediate disc (4.3.6), this collar (4.10) defining a recess or inner chamber (4.10.1) for receiving the Rack means (7). This collar also has a section cut (4.10.2) in the same plane as the indentations (4.4) used for housing of the blade to facilitate the molding of the assembly, said section cut across a sector, giving access to the interior of the aforementioned chamber, under the conditions set out below.
Said chamber allows the positioning of the rack means (7) which is 20 established in the form of a crown (7.2) adjusting, with play, in said bedroom. This crown has, on the outside, two studs or projections (7.2.1 - 7.2.2) of centering, preferably of different diameter, for engage in openings (23.1 1) formed for this purpose on the wing indoor next to the housing, to ensure placement and control in position 25 well-off. The other face of the crown is shaped with a boss (7.3) semicircular extension with a plurality of teeth (7.4) forming ~ JO 94117715 ~ PCT / FR94 / 00116 ,. .

rack. On the set of teeth making up the rack (7), by example, the first three teeth (7.4.a) are of constant profile while the next four (7.4.b) are progressive in profile to provoke subsequently the movements of the cutting blade. So particularly advantageous, the last tooth of the rack has a height more important than the others to allow the escape of the blade of cutting and good penetration in the paper tape. This last tooth Moreover, as will be explained later, a means of stop non-return when the cutting blade has escaped all teeth {7.4) of the rack thus produced, to follow the periphery of the boss (7.3) 10 for a new operating cycle, and to represent to the first tooth formed on the boss (7.3). This last tooth of greater height offers another benefit that is breaking the paper by directing the blade more deeply.
The blade (5) is made of one-piece plastic and comprises a rod support (5.1), whose finger ends (5.2) are engaged on the end discs of the aforementioned drum. The teeth (5.3) of the part cutting blade forming (5) are integrally formed with the support rod.
These teeth have a profile in successive triangulation, and present a conformation not smooth, but curved down to facilitate attack of the band of materials to cut. As a result, their underside has a concavity, capable of forming seat (5.4) and bearing area of the part of cut materials, as it appears in the drawings. According to nature paper to cut, the teeth of the blade are smooth or sawtooth.
The blade has at its end, which is likely to be opposite means (7) rack, a profiled heel piece (9). This last WO 94/17715 PCT / FR94 / 00116 ~
~~, _ _ has a triangular rear part (9.1) with an angle of jointing rounded (9.2) and two curvilinear margins {9.3 - 9.4) leading to the widest part of said heel which is shaped with a plurality of teeth (9.5) forming a rack, said teeth being disposed away from each other progressive with respect to the axis of the blade, the leading tooth (9.5.1) being greater height to ensure meshing.
This piece forming heel is integral with the axis of the blade, but in a eccentric position, so as to cause the angular blade and the elven piece itself in a limited position. This pivoting allows the housing of the teeth of the blade inside the formed cavities on the intermediate discs of the drum, in a retracted position maximum, said blade being in a plane lower than the generator defined by the drum discs. External overflow of the teeth of the blade is limited by the abutment of the teeth relative to said notches.
As will be described later, the rack formed on the heel associated to the blade is capable of cooperating with the fixed rack formed on the means (7) to cause, under given conditions, the displacement and the output of the cutting blade. Thus, by the special provisions of the teeth formed on the piece {7) and the heel (9) with progressive teeth, one gets a displacement of the cutting blade at a progressive speed. The first meshing teeth correspond to the phase of the effort the most important when the teeth of the blade penetrate the paper. After the paper has been penetrated, cutting slicing begins and the effort becomes less important. The speed of cutting is accelerated by pulling on the paper, and we obtain a greater multiplication by the fact that the teeth are larger, allowing a faster cut.

W: ~ 94/17715 PCT / FR94 / 00116 .,, In an advantageous variant embodiment, FIG.
view profile illustrating more particularly the end disk (4.3.7) formed on the drum with a second complementary anti-return abutment means (4.3.7c). Said means is formed, during the realization of the disc concerned, and is in the form of a flexible tongue, free at one end, this tongue forming a cam and coming by elastic relaxation in light external overflow with respect to the periphery of the disc. This tongue is located opposite the axis of rotation of the blade and intended to come into stopping on the stop (25) formed on the horizontal wall of the housing. interest such an abutment complementary anti-return essentially lies in the 1o case, where by appropriate manipulations of the manipulator, one would tear the paper before cutting. This could happen in the case of a traction oblique violent but does not correspond to the normal use of the device. When the cutting blade has exceeded, after rotation of the drum, the pressing means (6), the non-return tongue (4.3.7c) is in front of the stop (25), and in case of rotation behind the drum, the tongue comes into contact with the above abutment, stopping the rotation of the drum.
We now describe the means (6) which feeds the band of paper to the drum and tensioning the paper.
This means (6) comprises a shaft (6.1) presenting to each of its ends of the centering fingers (6.3) to snap between the wings side of the housing of the device. On this tree, is arranged a plurality of discs or washers (6.4), the assembly being monobloc plastic.
The number of disks or washers is equal to twice the number of disks intermediates formed on the drum. So, after positioning and latching means (6), a certain number of discs (6.4a) will come into WO 94/17715 PCT / FR9410 (~ 116, f ' '~, support for intermediate discs (4.3.2 - 4.3.3 - 4.3.4 - 4.3.5 - 4.3.6) formed on the drum, while the other intermediate discs (6.4.b) will be located in an interspace between two disks (6.4.1) formed on the drum. The set will help to ensure a tensioning paper.
Alternatively, the shaft (6.1) can be full or otherwise lightened.
Before describing the operation of the apparatus, it is appropriate to describe particular complementary means which have an effect on the positioning of the cutting blade, when rotating the drum, thus defining, for the latter, a very particular trajectory. These two means are 1o arranged on the side of the rack devices controlling the output of the cutting blade.
In its lower part, the wall casing (2) has on its wall horizontal, near the lateral wing, opposite the rack-and-pinion means, a profiled stop (25), curvilinear profile forming ramp, against which va come in support of the profiled heel (9) associated with the blade (5) and support of the teeth (9.5) of the rack. This stop (25) intervenes to provoke, after the operation of cutting and disengaging the racks between them, the reintegration of the cutting blade into the indentations formed on the intermediate discs of the drum.
Due to its ramp-shaped profile, said stop causes the tilting of the blade according to the arrow (F2) in a direction opposite to the direction of rotation of the drum causing its storage in the aforementioned indentations.
In addition, there is provided a complementary means of controlling the position of the cutting blade in the indentations formed on the drum or ensuring y3i0 94/17715 PCT / FR94 / 00116 ...

alternatively locking in position of the cutting blade before the start a new operating cycle.
For this purpose and in a first implementation, it is provided, on the medium (6) providing the rotation control of the drum, and the pressure on the paper, an additional disk (26) at the end of said means (6), and disposed in the plane of movement of the heel piece (9) of the blade. This complementary disk (26) serves as a stop and guide, if for some reason the blade is in a position of outlet, relative to its housing notches on the drum. The the rotation of the drum will cause the abutment of the heel piece (9) by one of its curvilinear parts, against the disc (26) above. The rotation complement of the drum will entail, therefore, the pivoting and the tilting down (arrow F3) of the heel piece causing the re-entry of the blade into the indentations formed on the drum, thus preventing the teeth of the blade from coming into contact with the means (6). This particular provision provides security complementary.
Alternatively, the boss (7.3) formed on the means (7) with rack and pinion an external offset (7.5) which constitutes a means of abutment and blockage in 2o position of the heel (9) associated with the blade causing when returning the blade the blocking thereof in the aforementioned indentations of the drum.
The protective cover (8) has, in the lower part of its wings, openings allowing its snap on the wings of the support housing to using fingers or projections (27) for centering and positioning. said casing is, moreover, shaped in its bottom part with a wall WO 94/17715 ~~~~ PCT / FR94 / 00116 .. ', V
not likely to come opposite, the horizontal bottom wall of the housing, But leaving a space or slot to allow the release of the paper from the device.
The front of the protective cover has a vertical slot (8.5) for The passage of the operating wheel of the means (6).
The apparatus being loaded with a coil of material mounted on the end pieces, on the lateral wings of the casing, one proceeds before the loading of the device. After the initial opening of the tilting protection cover, the operator has the free end of the reel of material between the means (&) and the drum (4) and manipulates, for a few degrees, the steering wheel the maneuver so as to cause the driving of the strip of material between the drum and the means (6) and its exit at the rear of the apparatus, without however, to come out and leave the latter by the appropriate slot. The web of material is held in tension by the plurality of disks formed on the drum and on the means (6). The monobloc hoop in the neck of swan, formed on the crankcase, provides, as a supplement, where appropriate, the paper guidance. This prior installation of loading being the device cover is closed, and the device is ready to be used. At this stage, the blade is housed entirely in the notches formed on the drum. There is still no meshing of the formed rack on the blade with the rack with fixed position formed on the means (7), housed 2o in the chamber of the last disc of the drum.
The operative phase of cutting is the following. The end of the band paper is still located inside the device in an area corresponding to the back of the drum towards the gooseneck part.
The operator manually turns the steering wheel, in the direction according to the arrow (F), which causes, by the rotation of the means (6), r. ,.

driving in rotation, in an opposite direction of the drum, towards inside the housing. At the beginning of the cycle, the blade is arranged inside of the indentations, leaving a space of a few millimeters in relation to the fictitious generator formed by the intermediate discs of the drum before lead. The beginning of the rotation of the drum will cause, under the action means (7 and 9), a displacement of the blade of a few millimeters so that when the first tooth of each of the means (7 and 9) has meshed, these last teeth are in the plane defined by the axis of the blade and the axis of the drum. In this situation, the cutting blade is start of contact with the cutting paper.
The progressive rotation will allow the presentation of the first teeth respective ones formed on the rack associated with the blade and the rack fixed means (7). The end of the strip of material comes out of the slot formed on the device, and can be entered by the user. This last process then to a traction causing rotation of the drum, and thus ensuring the continuity of the cutting operation. The blade, by the meshing of the teeth of two racks, will be rotated to go out and section the strip of paper, as a result of the meshing of the progressive profile teeth. The exit of the teeth is done at the back of the device and the material band is going to be so torn progressively, the blade pivoting in the notch formed between the intermediate discs of the drum. The total output of the blade is going match the escape and meshing of the last two teeth between them racks, the last tooth formed on the fixed rack - provoking the maximum output of the blade.
After escaping the teeth between them racks, during a moment of rotation of the drum, the blade remains in the "out" position, the WO 94/17715 _ PCT / FR94100116, ~ E hç- '~, r7, ~,, i _ 28 _ piece forming heel no longer in contact with the support disk of the rack with fixed position. ' The re-entry of the blade then takes place by the abutment and contact of the heel piece of the blade with the curvilinear abutment fixed to the wall of bottom of the housing. This curvilinear portion forming a ramp causes an effect reverses the tilting and retracting of the blade in the notches formed on the drum discs. The pivoting of the blade resulting ipso facto that of the heel piece, the latter is tilted without taking contact with the fixed position disc of the means (7). When the piece forming heel comes in escape situation from the curvilinear abutment, the teeth of said heel piece come to present then facing the area of the teeth formed on the fixed disk, for a new cycle until the beginning of engression of the first teeth of the racks.
If, for any reason, the blade comes out of the indentations formed on the intermediate disc, causing the workpiece to overflow forming heel, associated with the blade, the continuous rotation of the drum causes then bringing said heel piece into contact with the thrust disk formed at the end of the means (6), which in turn causes the withdrawal and the reinsertion of the blade in its housing defined by the indentations on the intermediate discs.
As a variant, the holding and locking in position of the blade in the notches in the second phase of the return operating cycle of the drum corresponding to the intervention of the curvilinear abutment (25), are obtained by blocking said blade with the shoulder É
Vi ~ O 94/17715 ~ I $ 415, ~ pCT / FR94 / 00116 ~

complementary formed on the ~ bossa ~ ge (7.3) which causes the retention of the blade in the notches of the drum. Unlocking occurs when the heel (9) associated with the blade takes up a new position of presentation of his teeth with those formed on the medium (7).
There is therefore complete security in the operation of the whole.
The semi-automatic apparatus, as described, comprises a limited number of parts, six as indicated above, but each having multiple functions as it appeared in the description.
pn shows in Figure 7, schematically, the trajectory (T) of the cutting blade.
Furthermore, the device has, on the side of the drive mechanism, a extension of the axis of the drum with an end eccentric (28), of which ('end includes a finger (28.1) capable of constituting a means for attaching a return spring (R) whose other end is fixed to the wall casing.
In addition, it is necessary to make some clarifications and descriptions on particular points.
According to Figures 12 and 13 of the drawings, the housing (2) is arranged with a hinged cover (8) whose inner face is arranged with a projection (8.3) flanking in a perpendicular plane, said projection being willing to the horizontal to a level such that it comes next to the area meshing paper between the medium (6) and the drum (4). This projection aims to guide and present the first strip of material to be dispensed during the t WO 94/17715 'PCT / FR94 / 00116 ..
i. .,. : .E. . ~. , T,, f _ 30 _ 15 X1.5 9 loading, to facilitate its introduction between the pressing means (6) and the drum (4). Said projection is thus flush in the formed space, to introducing the paper between the means (6) and the drum (4). This provision is particularly practical and does not generate any cost of additional manufacturing, when producing the hood.
In addition, it is planned, in order to avoid the decommissioning of the device, when the roll of wiping material is completed, the provision of means complements allowing simultaneous use of the ends of rollers of paper wiping, while allowing the establishment of a coil 1o new in the upper part of the device. For this purpose, as well as appears Figure 12 of the drawings, the horizontal bottom portion (23.3) of the housing leaves a space behind the gooseneck portion (12) for inserting means for positioning the roll of material (R1) in the finishing vote. AT
this effect, the housing (22) has protruding shapes (22.4) or bosses which are spaced to allow the placement of the finishing roll (R1), in an axial plane, as well as protrusions (22.5) or bosses arranged go and other of the gooseneck, and likely to avoid its tipping or angular pivoting. Such an arrangement makes it possible to keep by roller (R1) a perfect disposition and a good progress of the ends of bands.
The operator responsible for monitoring and commissioning the devices may so very easily, if the roll of material is nearing completion, position it in the housing provided at the bottom of the housing behind the gooseneck. It suffices for the operator to present the free end of the bandaged remaining paper, between the medium (6) and the drum (4) to ensure its, final reeling. Simultaneously, a new roll (R2) of material is positioned at the top of the device and the end of the tape is introduced as previously described.

r Y
W, ~ J 94/17715 PCT / FR94 / 00116 , ~, ..
. .
I ~ 6 ~
According to another feature, the disks (6.3) of the means (6) for feeding of the paper tape of the material are made with a diameter decreasing from the median central disc, according to a identical on each side. This reduction in diameter of the different disks (6.3) is achieved by a degression of a few tenths of a millimeter diameter of the consecutive discs. The means (6) which is latched between lateral wings of the housing can thus be substantially flexed at assembly, although the discs related to each other with the drum stay in touch. In addition, the drum (4) can itself, on its tree between certain discs (4.3), be arranged with indentations or zones 10 weakening, preferably obtained by a diameter reduction .to allow it to offer some flexibility in combination with that obtained by the means (6) above. We thus obtain thanks to these particular arrangements flexible mounting means (6) on the drum

(4) and better paper tension for cutting.
On the other hand, some of the peripheral surfaces of the disks (4.3) can be equipped with gripping areas.
According to another feature, the drum (4) is arranged with canvases or support planes (4.13) arranged between the successive discs all over the length of the drum. These canvases or supporting planes (4.13) are substantially withdrawal from the peripheral end of the disks (4.3 - 4.8). They are arranged, as illustrated in Figure 20, opposite the housing area cutting device. Two canvases arranged at the back of the drum with an interval between them. These canvases or support to prevent tearing of the paper inside the drum and its WO 94/1771

5 S PCT / FR94 / 00118. , w ' ,,, tamping in the event of tensile stress in an inopportune angulation by the user and thus allow a sliding of the material. These paintings or support plans are preferably established according to an angular sector of the order from 20 to 45 °.
According to another feature, the drum (4) is made with all its components, one-piece made of a suitable plastic material, and more especially it also incorporates in its realization a steering wheel of maneuver (30) disposed at the end on one side of the apparatus and a eccentric cam means (31) described in the previous French patents aforementioned and allowing, in combination with an elastic return means (R), (e) launch of the drum, the steering wheel (30) is for example established as a disc with a midrib (30.1) gripping rib that can be operated by the user to allow the pre-release of the web of material before traction by the user. To allow the assembly of the drum thus formed in the body of the apparatus, the lateral wing of housing is fitted as shown in Figure 1 5 with a wide recess (33) profile allowing the passage and assembly of the drum, while allowing and guaranteeing great flexibility in fixing said drum and the element

(6) tensioning and feeding material.
According to another feature and improvement (Figure 19), the means (6) Paper feed has at its end a large disk.
(6.6) with an inner groove (6.6.1) for receiving and guiding the disc (4.3) facing formed on the drum and allowing training ' said means (6) under the effect of rotating the drum.
According to another particularity and improvement, it is planned to have, on the toothed sector (9) associated with the blade holder and cooperating with (e means to rack (7), a stop (34) anti-tilt to prevent the blade from cut can not be turned over in case of mishandling.
This stop means is essentially made in the form of an axis or finger disposed in the thickness of the toothed sector (9) and being able to abut against the end disc (4.3) of the drum opposite the casing flange.
According to another feature and improvement of the drum in addition to the arrangements provided for in Figure 20 and illustrated in Figures 22 and 23, the drum (4) is formed as a monoblock comprising in particular a zone smooth (4.14) established on substantially the half-periphery of said drum, in allowing a sliding of the paper or strip of material drawn. This zone (4.14) starts before the notch (4.4) receiving the cutting tool (S). This zone has a diameter, in its curvilinear placement, substantially greater than the discs (4.3) of the drum so as to facilitate the detachment of the strip of material after cutting. The drum is, in this implementation, carried out with a plurality of disks (4.3) of diameter identical regularly distributed over the entire length of the drum, these discs themselves braced by several plates' (4.1 S) parallel between them, and ensuring rigidity of the whole. These plates, as illustrated FIG. 23, are integral with the smooth zone (4.14) at the junction points, 2o this connection being obtained during the manufacture of the drum by thermoforming or injection. The number of spacer plates (4.1 S) is variable as required, and shown in Figure 23 three plates consecutive. The ends of these opposite the binding place with the smooth zone are contoured with a curvilinear shape to be in close combination with the perimeter of the drum. In this realization, the drum does not have a central shaft. At its ends, WO 94/17715 PCT / FR94 / 00116, 2 ~~ 41 ~ 9 ~ ~, _ ~.

as illustrated in Figure 22, it includes the other means allowing the operation of the device. The feeding means (6) shown in FIG.
24 comprises a shaft (6.1) receiving the disks. (6.3) of the aforementioned type and cooperating with the disks (4.3) formed on the ~ aambour. Disks (6.3) are degressive in diameter starting from the central disk as indicated previously. The implementation of this drum is particularly advantageous for certain types of material strips, and in particular some cotton papers with high elasticity.
According to another feature, to reduce the operating noise of 1o Itappareil, it can be arranged on some of the drum discs and / or of pressing means (6) and more particularly in the groove (6.6.1) of the disc profile (6.6), damping rods of elastomer or equivalent allowing gentle operation of the device.
The advantages are apparent from the invention. We emphasize the new concept of the apparatus, its rapid assembly and its perfect adaptability to a automatic operation.

Claims (32)

The embodiments of the invention, concerning which an exclusive right of property or lien is claimed, are defined as follows:

-1- Apparatus dispensing wiper material for a hand towel in automatic characterized in that it comprises a casing molded material plastic receiving in its upper part a material feed spool wiping, a drum supporting a cutting blade, and a pressing element ensuring feeding a strip of wiping material to the drum and setting in tension of the paper, the cutting blade articulated in the drum being set movement by the cooperation of a toothed heel associated with the axis of the blade of chopped off and cooperating with rack-and-pinion means positioned firmly and internally sure a wing of the casing, the drum being associated with a launching mechanism, a protective cover being articulated with respect to the housing and snapping on this one, and in that the housing is arranged with parallel flanges perpendicular to rear plane of the casing to allow the assembly of the drum and the element snap-in presser, said flanges being arranged with tongues having an elastic deformation capacity given by elasticity slits preformed on the flanges, said tabs having housing for the receiving the pressure element, and the flanges of the casing presenting also notches for the positioning of the ends of the axis of the drum. -2- Apparatus according to claim 1, characterized in that the different housing axle ends of the drum pressing element are oriented in look, and in that the receiving tabs of the pressing element elasticity a support of the pressing element on the drum and a self-supporting lock in position of the pressure element of the drum in the housing of the apparatus, and in that access to the positioning zones of the pressing element and the drum is made freely by cuts formed in front of said tabs and flanges allow rapid assembly of the components of the device. Apparatus according to any of claims 1 and 2, characterized in that what one of the flanges of the casing located on the side of the drum launching mechanism is arranged with a shaped cut T-shaped arranged obliquely, the leg the long T being raised upwards and backwards flaccid thus defining the shape of the upper tongue, the bar of the T
presenting in its high end an inner housing for receiving an end of !'axis of the pressure element, while the lower part of the head of the T-shape being shaped with a rounded indented shape constituting the housing of one of the ends of the drum axis, and in that the other flange formed on the housing of the present apparatus internally, in its lower part, the passage opening of the other axis of the drum with around a landing receiving portion constituting the drive rack of drum, the flange having, in its upper part, a tongue with housing separated by a slot giving it an elasticity, said tongues and established on your flanges being of the same shapes and same profiles and same orientation, in together defining a hook shape for receiving the shaft portions of the pressing element, said tongues having, before the housings, forms in ramp against which comes to bear the pressing element during assembly. Apparatus according to any one of claims 1, 2 and 3, characterized in this that the rack surrounding the opening of passage of one of the axes of drum has an opening allowing the introduction of said axis. Apparatus according to any of claims 1, 2 and 3, characterized in this that the housings formed on the tabs are arranged with means complementary anti-wear. Apparatus according to any one of claims 1, 2 and 3, characterized in this that (pressure element has, at its ends, grooves inserted in the formed on the flanges, and then extended by shoulders resting against the outer walls of the flanges and tongues particular. -7 Apparatus according to any one of claims 1, 2 and 3, characterized in this that the drum has beyond one of its ends in the form of discs a groove located between an eccentric portion and an extension under disc shape with central rib constituting a knob for the loading of the apparatus, said groove allowing the attachment of one of the ends of a return spring constituting a means of launching the drum. Apparatus according to one of claims 1 to 7, characterized in that what the cover has horizontal legs that can come to bear against the tongues for holding the pressure element. Apparatus according to any of claims 1 to 8, characterized in that what the cover has horizontal legs that can come to bear against drum support flanges. Apparatus according to any one of claims 1 to 9, characterized in that this that the lid has horizontal legs likely to come into support against tabs and said flanges. Apparatus according to any of claims 1 to 10, characterized in that this that the drum has a honeycomb structure, without central axis, in presenting externally to its end discs a first axis of support on the rack and other axis extending by an eccentric part, a throat and a disk forming an operating knob, the assembly being monobloc. Apparatus according to any one of claims 1 to 11, characterized in that this that the apparatus includes a gooseneck-shaped bow presenting to its end a screed shape surrounding one of the discs of the pressing element. Apparatus according to claim 1, characterized in that the drum realized monoblock comprises a shaft around which is disposed a plurality of disks adjacent and parallel with intermediate discs configuration to support the drawn paper strip, and presenting on their periphery a notch for positioning and housing the blade of cutting in the rest position, said shaft receiving a first end disc before and a second rear end disk allowing positioning and the articulation of the cutting blade, and in that the rear end disc is arranged with a means defining an inner chamber for receiving a rack means adapting to fixed position on the wing facing the casing, and in that the cutting blade is arranged at one end facing the means with a profiled heel comprising a plurality of teeth forming a rack and pinion complement which can cooperate with the rotation of the drum, with a plurality of teeth constituting a fixed rack formed on the means, and in that a stop means ensures, after the partial rotation of the drum in view of the cutting operation of the paper web, the reengagement of said blade in a direction opposite to the direction of rotation of the drum, in the notches formed on the latter, during the complementary rotation of the drum for the presentation for a new operating cycle, and in that the rotation of the drum is obtained by means of a means feeding the paper web to the drum and setting it on voltage by pulling the end of the paper web by the user in the framework automatic operation of the device. Dispensing apparatus according to claim 13, characterized in that the disk rear end formed on the drum has a collar defining a inner chamber for receiving the fixed position means, said collar having a transversely cut section allowing access to interior to allow meshing of the formed teeth on the middle and the heel, said means being designed in the form of a crown having on the outer side of the centering studs on the wing facing the casing, the other side of the crown being consistent with a semicircular boss extending through a plurality of teeth defining the rack. Dispensing apparatus according to claim 14, characterized in that the set of teeth formed on the means comprises a first group of teeth to constant profile and a second group of successive teeth with a progressive profile, the last tooth of greater height ensuring a double function exhaust of the cutting blade for a good penetration in the band drawn paper and a non-return stop means when the cutting blade has escaped the aforementioned teeth to follow the curvilinear contour of the boss form on the medium to its semicircular form opposite the teeth, in order to a another operating cycle. Dispensing apparatus according to claim 15, characterized in that the semicircular boss is extended opposite the serration by a shoulder likely to constitute a means of braking and blocking by the contact in position of certain parts of the heel associated with the cutting blade with said shoulder. Dispensing apparatus according to any one of claims 13, 14, and 16, characterized in that the blade is made of one-piece plastic and comprises a support rod whose finger ends engage on the end discs of the drum, said blade comprising teeth profiled in successive triangulations, and in that the blade has at one end opposite the means one piece forming a heel having a rear portion in triangulation with an angle of rounded joint and two curvilinear edges opening towards the part la more wide shaped heel with a plurality of tooth forming rack, said piece forming heel being secured to the axis of the blade in a position eccentric, the teeth then being progressively removed from the axis of the blade. Dispensing apparatus according to claim 15, characterized in that the blade is made of one-piece plastic and comprises a support rod of which the finger ends engage the end discs of the drum, said blade comprising profiled teeth in successive triangulations, and in that the blade has at one end opposite the means one piece forming a heel having a rear portion in triangulation with an angle of rounded joint and two curvilinear edges opening towards the part la more wide shaped heel with a plurality of tooth forming rack, said piece forming heel being secured to the axis of the blade in a position eccentric, the teeth then being progressively removed from the axis of the blade. Dispensing apparatus according to claim 18, characterized in that the tooth the longer means cooperates with the first tooth formed on the heel while than the first tooth of the means cooperates with the most eccentric tooth of the means. Dispensing apparatus according to claim 17 or 18, characterized in that that teeth of the cutting part of the blade have a curved profile down, their face interior having a concavity forming seat and support area of the part of cut material. Dispensing apparatus according to any one of claims 13 and 15 at 18, characterized in that the wall housing has, on its horizontal wall near of the wing side opposite the rack means, a profile profiled stopper curvilinear forming a ramp ensuring, after cutting operation of the strip of paper, support from heel associated with the blade, and the pivoting and movement of said heel resulting that of the cutting blade in its housing formed by the indentations established on the intermediate discs of the drum. Dispensing apparatus according to claim 14, characterized in that the box wall, on its horizontal wall near the lateral wing opposite means rack and pinion, a profiled stop with curvilinear profile forming a ramp ensuring, after cutting operation of the paper tape, the heel support associated with the blade, and the pivoting and moving said bead causing that of the cutting blade in its housing formed by the indentations established on the intermediate disks of drum. Dispensing apparatus according to claim 22, characterized in that the disk rear end formed on the drum has a flexible tongue situated at the opposite of the axis of rotation of the cutting blade and in slight overflow outside relative to the periphery of the disc, said tab constituting, according to the rotation of the drum, a second non-return stop means coming into contact with the stop formed on the crankcase. Dispensing apparatus according to any one of claims 13 to 22, characterized in that the cutting blade is housed in the formed indentations sure the intermediate discs of the drum, in a position such that at the beginning of cycle operative, the teeth of the blade do not overflow the drum with a space of a few millimeters, and in that when meshing the first tooth of the means, said teeth are in the plane formed between the axis of the blade and the axis drum. 25- Dispensing apparatus according to any one of claims 13 to 24, characterized in that the trajectory of the cutting blade is remarkable:

in that at the beginning of the cycle, the blade is disposed inside the indentations of the drum discs leaving a space of a few millimeters in relation to the generator formed by the intermediate discs of the drum;
in that at the beginning of the cycle the rotation of the drum, under the action of the means causes a displacement of the blade a few millimeters so that when the first tooth of each means has meshed, said teeth are in the plan defined by the axis of the blade and the axis of the drum;
in that the progressive rotation of the drum causes the blade to come out by the action engagement of the teeth of the racks, the outlet of the blade being effected at the back of the device;
in that the total output of the blade corresponds to the exhaust and meshing last two teeth between them racks;
in that, after escaping the teeth between them, toothed racks, the blade remains in the "out" position, the heel piece no longer in contact with the medium fixed position;
in that the re-entry of the blade takes place after abutment and contact of the heel of the cutting blade with the curvilinear abutment formed on the housing, resulting in by a reverse effect to the direction of rotation of the drum tilting and re-entering the blade in the indentations formed on the drum discs; and in that the heel bypasses the boss formed on the means to present in a new operating cycle the cutting blade. Dispensing apparatus according to one of Claims 13 to 25, characterized in that it comprises means for feeding the band of material and its tensioning, said means comprising a shaft presenting his ends of the centering fingers to snap between the side wings of casing, and in that said shaft bears on the formed intermediate discs on the drum. Dispensing apparatus according to claim 26, characterized in that said tree is arranged with a plurality of one-piece disks, some of the disks in support against the drum and other intervening discs contributing to the pressure paper. Dispensing apparatus according to claim 26, characterized in that the tree of medium includes at its other end facing the heel of the blade a disc complementary acting as abutment and guide said heel to cause the re-entered the blade into the indentations formed on the drum, in view the presentation of the slide for a new operating cycle. Dispenser according to any one of claims 13 to 28, characterized in that the casing is made in one piece and comprises a plate of bottom with side wings forming projections in their upper part in triangulations directly presenting the receiving end of the coil, the wings having, in their lower part, a plurality of openings for the reception of the drum of the fixed position means and the feeding means of the paper, said lower part having a cutting line giving a flexibility for mounting the aforementioned means, and ensuring a slight deformation for accompany the pressurizing movements of the paper on the drum, said housing having a horizontal wall receiving a hoop-shaped collar swan, arranged opposite the drum, and allowing the guiding of the paper. Dispensing apparatus according to any one of claims 13 to 25, characterized in that said drum has at one of its ends means with eccentric and return spring for launching the drum. -31- Apparatus according to claim 1, characterized in that the hood present on its inner side, a horizontal projection allowing pre-positioning of the strip of paper between the pressing means and the drum by adjusting to the near in the space of introduction of the paper web between the pressing means and the drum. 32- Apparatus according to any one of claims 1 and 13, characterized in this that the rear part of the casing allows the positioning of a roll of material in the finishing phase, and in that projections are shaped monoblock with the casing walls to ensure positioning of the roller of finish behind the gooseneck shape guiding the reel of material in service.

Apparatus according to claim 27, characterized in that the discs of way have a decreasing diameter from the central median disc, ensuring a flexibility of said means relative to the side wings supporting the housing.

Apparatus according to claim 33, characterized in that the drum is arranged on its tree between certain disks with indentations or zone of weakness giving it flexibility.

Apparatus according to claim 13, characterized in that the drum is laid out over its entire length with canvases or support the successive discs, said webs or support planes being set back by report to the peripheral end of the disks, and being established according to a sector angular of the order of 20 to 45 °.

Apparatus according to claim 1, characterized in that the drum is shaped monoblock with a smooth zone established on substantially half periphery drum, and beginner before the receiving notch of the cutting tool, said drum comprising a plurality of spaced-apart disks along its length by parallel plates between them contributing to the rigidity of the drums, these plates being integral at one of their ends with the smooth zone and with at the other end a curvilinear shape in combination with the rim drum device, the smooth zone having a substantially superior to drum disks to allow separation of the material web after the cut.

Apparatus according to claim 36, characterized in that the drum comprises at one of its ends directly formed a maneuver steering wheel in form of disc with a median gripping rib, and at its other end a eccentric cam means cooperating with an elastic return means authorizing the launching of the drum.

Apparatus according to claim 27, characterized in that the means of pressure, tensioning and feeding paper present at its end a disk wide with an internal groove for receiving and guiding of the disc facing formed on the drum and allowing the training of the medium under the effect of rotating the drum.

Apparatus according to claim 27, characterized in that on the sector toothed associated with the blade holder and cooperating with the rack means is arranged a anti-tilt stop coming to bear against the end disc of the drum.

Apparatus according to claim 27, characterized in that some of the discs drum are arranged with noise damping rods.

Apparatus according to claim 40, characterized in that some of the discs drum are arranged with rods in the profiled groove of the disc.

Apparatus according to any of claims 27, 40, and 41, characterized in that some of the discs of the pressing element are arranged with bulrushes noise dampers.

Apparatus according to claim 42, characterized in that some of the discs of the pressing element are arranged with the rods in the profiled groove of the disk.

-44- Apparatus dispensing toilet paper operating automatically characterized in that it comprises a molded plastic casing receiving in its part high a toilet paper supply reel, a drum support a blade of cutting, as well as a pressing element ensuring the feeding of the paper toward the drum and a paper tensioning, the cutting blade articulated in the drum being set in motion by the cooperation of a toothed heel associated with the axis of the cutting blade and cooperating with rack means positioned and internally on a wing of the housing, the drum being associated with a launching mechanism, a protective cover being articulated by relative to the housing and snapping on it, and in that the housing is arranged with a front flange and a rear wall of housing to allow mounting of the drum and the pressing element by latching, said front flange and rear wall of the apparatus being arranged with tongues having an elastic capacity of deformation given by slots of elasticity preformed on the front flange and the rear wall of the device, said tabs having housings for receiving the pressing element, and the rear wall of the housing and the front flange also having indentations for the positioning of the ends of the axis of the drum.

Apparatus according to claim 44, characterized in that the different housings of the axis ends of the drum press member are oriented in look, and in that the receiving tabs of the pressing element elasticity a support of the pressing element on the drum and a self-supporting lock in position of the pressure element of the drum in the housing of the apparatus, and in that access to the positioning zones of the pressing element and the drum is made freely by cuts formed in front of said tabs and flanges allow rapid assembly of the components of the device.

Apparatus according to any one of claims 44 and 45, characterized in this that the rack surrounding the opening of passage of one of the axes of drum has an opening allowing the introduction of said axis.

Apparatus according to any one of claims 44 and 45, characterized in this that the housings formed on the tabs are arranged with means complementary anti-wear.

Apparatus according to any one of claims 44 and 45, characterized in this that the pressure element has, at its ends, grooves inserted in the formed flats, and then extended by shoulders resting against the outer walls of the flanges and tongues particular.

Apparatus according to any one of claims 44 and 45, characterized in this that the drum has beyond one of its ends in the form of discs a groove located between an eccentric portion and an extension under disc shape with central rib constituting a knob for the loading of the apparatus, said groove allowing the attachment of one of the ends of a return spring constituting a means of launching the drum.

Apparatus according to any one of claims 44 to 49, characterized in this that the casing is arranged, on the one hand, on its rear plane and, on the other hand, on his front part, with a flange, said rear plane and said flange being arranged with shapes and cuts allowing the positioning of the drum and the element presser.

Apparatus according to claim 50, characterized in that the part back to inside the housing has an opening with a rack with a slot allowing the passage and the reception of one of the ends of the axis of drum, and in that the rear wall of the casing has a U-shaped cutout with some Converging branches defining the shape of a tongue with capacity elastic deformation, said tongue forming a hook at its end with a slot or housing of the pressing element, and comprising adjacent to the housing a ramp access for insertion of the pressing element.

Apparatus according to claim 51, characterized in that the apparatus presents a flask arranged in its lower part with an opening allowing housing of the axis of the drum at the location of the groove formed between the last disc and the part eccentric, said flange having in its upper part a shape in tongue forming a hook in its front part with a housing or notch allowing the positioning the other end of the pressing element.

Apparatus according to any one of claims 44 to 52, characterized in this that the lid has horizontal legs likely to come into support against the retaining tabs of the pressing element.

Apparatus according to any one of claims 44 to 53, characterized in this that the lid has horizontal legs likely to come into support against flanges drum support.

Apparatus according to any one of claims 44 to 54, characterized in this that the lid has horizontal legs likely to come into support against tabs and said flanges.

Apparatus according to any one of claims 44 to 55, characterized in this that the drum has a honeycomb structure, without central axis, in presenting externally to its end discs a first axis of support on the rack and other axis extending by an eccentric part, a throat and a disk forming an operating knob, the assembly being monobloc.

Apparatus according to any one of claims 44 to 56, characterized in this that the apparatus includes a gooseneck-shaped bow presenting to its end a screed shape surrounding one of the discs of the pressing element.

Apparatus according to claim 50, characterized in that, under the drum is provided a paper discharge slot with a guide roller of said paper outwardly, the roller and the drum being associated by a belt of transmission.

Apparatus according to claim 44, characterized in that the drum realized monoblock comprises a shaft around which is disposed a plurality of disks adjacent and parallel with intermediate discs configuration to support the drawn paper strip, and presenting on their periphery a notch for positioning and housing the blade of cutting in the rest position, said shaft receiving a first end disc before and a second rear end disk allowing positioning and the articulation of the cutting blade, and in that the rear end disc is arranged with a means defining an inner chamber for receiving a rack means adapting to fixed position on the wing facing the casing, and in that the cutting blade is arranged at one end facing the means with a profiled heel comprising a plurality of teeth forming a rack and pinion which may interact with the rotation of the drum with a plurality of teeth constituting a fixed rack formed on the means, and in that a stop means ensures, after the partial rotation of the drum in view of the cutting operation of the paper web, the reengagement of said blade in a direction opposite to the direction of rotation of the drum, in the notches formed on the latter, during the complementary rotation of the drum for the presentation for a new operating cycle, and in that rotation of the drum is achieved by means of feeding the paper web to the drum and setting it on voltage by pulling the end of the paper web by the user in the framework automatic operation of the device.

Dispensing apparatus according to claim 59, characterized in that the disk rear end formed on the drum has a collar defining a inner chamber for receiving the fixed position means, said collar having a transversely cut section allowing access to interior to allow meshing of the formed teeth on the middle and the heel, said means being designed in the form of a crown having on the outer side of the centering studs on the wing facing the casing, the other side of the crown being consistent with a semicircular boss extending through a plurality of teeth defining the rack.

Dispenser according to claim 60, characterized in that the set of teeth formed on the means comprises a first group of teeth to constant profile and a second group of successive teeth with a progressive profile, the last tooth of greater height ensuring a double function exhaust of the cutting blade for a good penetration in the band drawn paper and a non-return stop means when the cutting blade has escaped the aforementioned teeth to follow the curvilinear contour of the boss form on the medium to its semicircular form opposite the teeth, in order to a another operating cycle.

Dispensing apparatus according to claim 61, characterized in that the semicircular boss is extended opposite the serration by a shoulder likely to constitute a means of braking and blocking by the contact in position of certain parts of the heel associated with the cutting blade with said shoulder.

Dispensing apparatus according to any one of claims 59, 60 and characterized in that the blade is made of one-piece plastic and comprises a support rod whose finger ends engage on the end discs of the drum, said blade comprising teeth profiled in successive triangulations, and in that the blade has at one end opposite the means one piece forming a heel having a rear portion in triangulation with an angle of rounded joint and two curvilinear edges opening towards the part la more wide shaped heel with a plurality of tooth forming rack, said piece forming heel being secured to the axis of the blade in a position eccentric, the teeth then being progressively removed from the axis of the blade.

Dispensing apparatus according to claim 61, characterized in that the blade is made of one-piece plastic and comprises a support rod of which the finger ends engage the end discs of the drum, said blade comprising profiled teeth in successive triangulations, and in that the blade has at one end opposite the means one piece forming a heel having a rear portion in triangulation with an angle of rounded joint and two curvilinear edges opening towards the part la more wide shaped heel with a plurality of tooth forming rack, said piece forming a heel being secured to the blade in one position eccentric, the teeth then being progressively removed from the axis of the blade.

Dispensing apparatus according to Claim 64, characterized in that the tooth the longer means cooperates with the first tooth formed on the heel while than the first tooth of the means cooperates with the most eccentric tooth of the means.

Dispensing apparatus according to one of claims 63 and 64, characterized in that the teeth of the cutting portion of the blade have a profile curved downward, their inner side having a concavity forming seat and bearing area of the cut material part.

Dispenser according to any of claims 59 and 61 at 64, characterized in that the wall housing has, on its horizontal wall near of the wing side opposite the rack means, a profile profiled stopper curvilinear forming a ramp ensuring, after cutting operation of the strip of paper, support from heel associated with the blade, and the pivoting and movement of said heel resulting that of the cutting blade in its housing formed by the indentations established on the intermediate discs of the drum.

Dispensing apparatus according to claim 60, characterized in that the box wall, on its horizontal wall near the lateral wing opposite means rack and pinion, a profiled stop with curvilinear profile forming a ramp ensuring, after cutting operation of the paper strip, the heel support associated with the blade, and the pivoting and moving said bead causing that of the cutting blade in its housing formed by the indentations established on the intermediate disks of drum.

Dispensing apparatus according to claim 68, characterized in that the disk rear end formed on the drum has a flexible tongue situated at the opposite of the axis of rotation of the cutting blade and in slight overflow outside relative to the periphery of the disc, said tab constituting, according to the rotation of the drum, a second non-return stop means coming into contact with the stop formed on the crankcase.

Dispensing apparatus according to one of claims 59 to 66, characterized in that the cutting blade is housed in the formed indentations sure the intermediate discs of the drum, in a position such that at the beginning of cycle operative, the teeth of the blade do not overflow the drum with a space of a few millimeters, and in that when meshing the first tooth of the means, said teeth are in the plane formed between the axis of the blade and the axis drum.

Dispensing apparatus according to any one of claims 59 to 70, characterized in that the trajectory of the cutting blade is remarkable:
in that at the beginning of the cycle, the blade is disposed inside the indentations of the drum discs leaving a space of a few millimeters in relation to the generator formed by the intermediate discs of the drum in that beginning cycle the rotation of the drum, under the action of the means causes a displacement of the blade a few millimeters so that when the first tooth of each medium has meshed, said teeth lie in the plane defined by the axis of the blade and the axis of the drum;
in that the progressive rotation of the drum causes the blade to come out by the action engagement of the teeth of the racks, the outlet of the blade being effected at the back of the device;
in that the total output of the blade corresponds to the exhaust and meshing last two teeth between them racks; in that, after escape of the teeth between them racks, the blade remains in position "outlet", the heel piece no longer in contact with the means fixed position;
in that the re-entry of the blade takes place after abutment and contact of the heel of the cutting blade with the curvilinear abutment formed on the housing, resulting in by a reverse effect to the direction of rotation of the drum tilting and re-entering the blade in the indentations formed on the drum discs; and in that the heel bypasses the boss formed on the means to present in a new operating cycle the cutting blade.

Dispensing apparatus according to any one of claims 59 to 71, characterized in that it comprises means for feeding the band of material and its tensioning, said means comprising a shaft presenting his ends of the centering fingers to snap between the side wings of casing, and in that said shaft bears on the formed intermediate discs on the drum.

Dispensing apparatus according to claim 72, characterized in that said tree is arranged with a plurality of one-piece disks, some of the disks in support against the drum and other intervening discs contributing to the pressure paper.

Dispensing apparatus according to claim 72, characterized in that the tree of medium includes at its other end facing the heel of the blade a disc complementary acting as abutment and guide said heel to cause the re-entered the blade into the indentations formed on the drum, in view the presentation of the slide for a new operating cycle.

Dispensing apparatus according to one of Claims 59 to 74, characterized in that the casing is made in one piece and comprises a plate of bottom with side wings forming projections in their upper part in triangulations directly presenting the receiving end of the coil, the wings having, in their lower part, a plurality of openings for the reception of the drum of the fixed position means and the feeding means of the paper, said lower part having a cutting line giving a flexibility for mounting the aforementioned means, and ensuring a slight deformation for accompany the pressurizing movements of the paper on the drum, said housing having a horizontal wall receiving a hoop-shaped collar swan, arranged opposite the drum, and allowing the guiding of the paper.

Dispensing apparatus according to one of claims 59 to 71, characterized in that said drum has at one of its ends means with eccentric and return spring for launching the drum.

Apparatus according to claim 44, characterized in that the hood present on its inner side, a horizontal projection allowing pre-positioning of the strip of paper between the pressing means and the drum by adjusting to the near in the space of introduction of the paper web between the pressing means and the drum.

Apparatus according to any one of claims 44 and 59, characterized in this that the rear part of the casing allows the positioning of a roll of material in the finishing phase, and in that projections are shaped monoblock with the casing walls to ensure positioning of the roller of finish behind the gooseneck shape guiding the reel of material in service.

Apparatus according to claim 73, characterized in that the disks of the means have a decreasing diameter from the central median disc, in providing a flexibility of said means relative to the lateral wings support crankcase.

Apparatus according to claim 79, characterized in that the drum is arranged on its tree between certain disks with indentations or zone of weakness giving it flexibility.

Apparatus according to claim 59, characterized in that the drum is laid out over its entire length with canvases or support the successive discs, said webs or support planes being set back by report to the peripheral end of the disks, and being established according to a sector angular of the order of 20 to 45 °

Apparatus according to claim 44, characterized in that the drum is shaped monoblock with a smooth zone established on substantially half periphery drum, and beginner before the receiving notch of the cutting tool, said drum comprising a plurality of spaced-apart disks along its length by parallel plates between them contributing to the rigidity of the drums, these plates being integral at one of their ends with the smooth zone and with at the other end a curvilinear shape in combination with the rim drum device, the smooth zone having a substantially superior to drum disks to allow separation of the material web after the cut.

Apparatus according to claim 82, characterized in that the drum comprises at one of its ends directly formed a maneuver steering wheel in form of disc with a median gripping rib, and at its other end a eccentric cam means cooperating with an elastic return means authorizing the launching of the drum.

Apparatus according to claim 73, characterized in that the means of pressure, tensioning and feeding paper present at its end a disk wide with an internal groove for receiving and guiding of the disc facing formed on the drum and allowing the training of the medium under the effect of rotating the drum.

Apparatus according to claim 73, characterized in that on the sector toothed associated with the blade holder and cooperating with the rack means is arranged a anti-tilt stop coming to bear against the end disc of the drum.

Apparatus according to claim 73, characterized in that some of the discs drum are arranged with noise damping rods.

Apparatus according to claim 86, characterized in that some of the discs drum are arranged with rods in the profiled groove of the disc.

Apparatus according to any of claims 73, 86, and 87, characterized in that some of the discs of the pressing element are arranged with bulrushes noise dampers.

Apparatus according to claim 88, characterized in that some of the discs of the pressing element are arranged with the rods in the profiled groove of the disk.