FR2794634A1 - MOBILE CLEANING MACHINE FOR TEXTILE COATING - Google Patents

Abstract

The textile coating cleaning machine comprises two cylindrical brushes which are counter-rotating around axes parallel to each other and to the textile coating to be cleaned, driven by a motor and mounted in a housing with a handling handle. The machine is characterized in that - downstream of the point of contact of their bristles (21) with the textile covering (8), the cylindrical brushes (2) turn directly in the direction of each other and can only then turn outwards again towards the textile covering (8). It has a device for receiving the cleaning powder (500) having a longitudinal opening (56) open to the interior of the housing (130), connected by its outer longitudinal edge (531) to the wall of the housing (11), and whose inner longitudinal edge (501) oriented towards the interior of the housing (130) extends practically to the ends of the bristles (21) of the cylindrical brush (2), without touching it, at a distance ( a) below the ends of the bristles (21) when the latter pass, during the rotation of the brush (2), through a position (w1) parallel to the textile covering.

Description

Mobile cleaning machine for textile coating The invention relates to

  a new mobile cleaning machine for textile covering, comprising two oblong cylindrical contra-rotating brushes around axes parallel to each other and with textile covering, carpet or the like to be cleaned, driven by a motor by means of a gear system or similar, and rotatably housed and mounted in a hood-shaped casing, with a manipulation handle or the like, possibly provided

  a connection to a suction unit.

  Such cleaning machines serve to remove and eliminate as completely and as completely as possible the knotted, woven or knitted texture of textile floor coverings, such as carpets, needle felt coverings, tufted floors, and in particular knotted or woven or similar carpets, as well as their constituent fibers, the cleaning powder which has penetrated deeply into the fabric, knitting, knots, tufting or the like of the textile floor covering during the cleaning process and which is loaded with dirt and grease particles or the like taken up from the textile fibers of the floor covering after dry cleaning of said floor coverings

textile floor.

  It has been known and used for a long time for textile coverings of such powder cleaning machines, in those which the cleaning agent detached within the textile covering itself by the rapidly rotating cylindrical brushes, then extracted by brushing of said textile covering, is sprayed by said cylindrical brushes inside the housing of the cleaning machine and evacuated by suction via a suction pipe opening into the casing and connected to a flexible or similar, itself leading to a vacuum cleaner, by

  example of the commercially available type.

  The drawbacks of these known machines reside in particular in that, due to the relatively large distance between the mouth of the suction pipe in the hood-shaped upper part of the casing of the machine and the driven rotary brushes by motor, the path that the powder particles must travel is relatively long, which has the effect of reducing the suction effect. In addition, the housing contains a relatively large volume of air which must also always be sucked; because of the relatively long distances, the powder is deposited and accumulates in places of the housing where the suction effect is weak; and finally, there are a relatively large number of possibilities for aspirating ambient or secondary air, which air becomes ineffective for removing the powder particles removed from the textile covering by the rotary cylindrical brushes or the bristles thereof and thrown inside the casing by force

centrifugal.

  The invention therefore set itself the objective of - designing - a machine similar to known textile coating cleaning machines, in terms of basic design with housing and brushes - counter-rotating cylindrical motor driven, in which d on the one hand the particles of cleaning powder laden with dirt removed from the textile coating are sprayed particularly effectively by the bristles of the cylindrical brushes and, on the other hand, a considerably more direct suction of the cleaning powder transferred by the brushes, thanks to the fact that the paths that the powder particles must travel between the brush bristles and the mouthpiece

  suction are greatly reduced.

  The present invention therefore relates to a new mobile cleaning machine for textile coating of the type mentioned in the preamble, characterized in that - downstream of the point of contact of their bristles with the textile coating to be cleaned, the cylindrical brushes can rotate directly in the direction of one another and can only afterwards turn outwards again towards the textile covering, said machine has a device for receiving the cleaning powder, in which it is or may be arranged at each lower edges of the casing parallel to the rotary cylindrical brushes, preferably over the entire length of said edges, an oblong powder receiving channel or the like surrounding or overflowing under or extending under the corresponding casing edge, having a longitudinal opening open onto the inside of the housing, having a transverse profile closed towards the outside and ve. bottom but open towards the inside of the housing, connected or able to be connected or fixed or able to be fixed by its external longitudinal edge or by an extension of the latter to the wall of the housing, and whose longitudinal edge internal oriented or projecting upwards towards the interior of the housing extends practically to the ends of the bristles of the cylindrical brush, preferably without touching it, at a certain distance below the ends of the bristles when these these pass, during the rotation of the brush, through a parallel position

  with textile covering, in particular horizontal.

  It is therefore provided, on each of the casing wall skirts covering at the front and at the rear the counter-rotating cylindrical brushes, a powder receiving channel slightly protruding under the edge of said skirts, channel whose inner edge is closer of the brushes and oriented upwards in the direction of the interior of the housing in the direction opposite to the direction of rotation of the brushes, rises approximately below the center of the brush, preferably practically up to the bristles of said brush, so that the powder loaded with grime transmitted or projected by the rotary brushes or the bristles of the latter reaches practically without loss in the oblong channels for receiving powder. Because of the very particular effectiveness of the concept of a cleaning machine for textile covering according to the invention, which is also based, among other things, on the fact that the cleaning powder laden with dirt removed from the textile floor covering must not already be reprojected after a rotation of the brushes on the order of a quarter turn to a half turn, but only after approximately three -5-- quarter turns, the powder particles then being subjected to the effect of force centrifuged considerably longer after their removal by the brushes, a considerably improved cleaning quality is obtained already after a single pass on the textile coating treated with the cleaning powder The new powder receiving channel on the powder cleaning machines equipped with motor-driven brushes, used in conjunction with cylindrical brushes, have proven to be so effective that they are no longer essential '' vacuum the dirt-laden cleaning powder, which collects in the channel. The extremely efficient basic form of the new cleaning machine consists almost exclusively of the arrangement of the two powder receiving channels located substantially below the front and rear casing wall skirts. The cylindrical brush drive motor preferably consists of an electric motor driving the cylindrical brushes via an appropriate gear system, the motor and the gear system preferably being housed inside the housing in the space located above

brushes.

  An embodiment of the new cleaning machine for textile covering which is even more efficient and which reduces the number of passages necessary for extracting the cleaning powder from the textile covering is characterized in that

  each of the powder receiving channels present, -

  preferably on the side opposite the textile covering to be cleaned, that is to say substantially upwards - and preferably at the center of the channel, a connection tube to a suction hose of a vacuum cleaner or the like , opening

in said channel.

  This embodiment of the new cleaning machine has the particular advantage of opening directly into said receiving channel the suction pipe provided for the evacuation of the powder detached by the bristles of the cylindrical brushes and projected in particular. direction of the powder receiving channel, so that the paths that the powder particles have to travel are on average extremely short and therefore the suction force applied in the channel and on the hairs facing the channel during

  the rotation of the brushes also plays at full.

  In one embodiment of the cleaning machine according to claim 3, which has been found to be particularly practical, the suction ducts coming from the suction pipes of the two powder receiving channels converge, so that it suffices a single suction device for discharging the cleaning powder deposited in the two channels, said device finally having to be connected to a single

  suction pipe common to the two channels.

  In particular, with regard to the handling and handling when arranging or fixing the new powder receiving channels on the machine and in particular also during their removal with a view to eliminating the cleaning powder which accumulates there, in the absence of a suction system as mentioned above, it is advantageous to provide an extremely simple type of connection from the mechanical point of view of said channels with the housing of the coating cleaning machine. textile, said connection being able to go from a simple hooking up to fast closings by clipping easy to handle or the like

  as described in more detail in claim 4.

  A type of snap closure according to claim 5 combines high stability with

  great simplicity of assembly and disassembly.

  As regards the shape of each powder receiving channel, a substantially cylindrical or prismatic shape has proved to be advantageous, it being understood that it is preferable to provide angles and in particular "round" interior angles to avoid any accumulation. undesirable powder, as shown in detail in the

claim 6.

  In cleaning machines according to the invention with powder receiving channels without aspiration of said powder, it is advantageous, as described in claim 7, that the channels are equipped on their upper face with a sight, a sight glass, a viewing cap or the like, which can possibly be opened, for example raised, to allow control of the

  channel reception capacity.

  To vary the suction effect depending on the quantity and type of powder, as well as the type and length of the fibers of the textile floor covering or the like,

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  revealed advantageous to provide a separating plate or baffle or the like protruding into the powder receiving channel, preferably adjustable in depth of protrusion and in particular movable, it being understood that it is maintained between the lower edge of said sheet protruding in the receiving channel and the internal wall of the powder receiving channel, a more or less wide slit opening, in which the suction effect is more or less strong depending on the width. For this particular embodiment of the new cleaning machine, reference will generally be made to claim 8 and more particularly to

claim 9.

  The efficiency of the new textile coating cleaning machine can be further improved by means of a doctor blade following the movement of the bristles of the cylindrical brushes, said doctor blade being oriented towards the textile coating and housed inside the housing in accordance with the Claim 10. In order to regulate or practically exclude the suction of secondary or ambient air, the lateral openings on either side of the different powder receiving channels can, for example, be provided with shutters or the like. insert, screw or fix laterally by means of a bayonet joint or the like, said closure devices being naturally able to be implemented on one or two sides. ées lateral boundaries of the powder receiving channels can however also be formed by cover plates, lids, covers or the like partially or - 9 fully folding, tiltable or pivotable, such

  as defined in detail in claim 11.

  In the cleaning machines for new textile covering according to the invention, it is advantageous to manufacture said machine so that the casing provided for the rotational support of the cylindrical brushes and for the housing of the motor and of the gear system, and the powder receiving channels arranged at the lower edges of said casing are either connected to each other non-removable, or, as is often advantageous for reasons of manufacturing technique,

made in one piece.

  If the new cleaning machines for textile coverings are intended for commercial use, it is particularly advantageous to equip said machines with a windable cable and to ensure in parallel that the suction device, for example a conventional vacuum cleaner, does not require a specific power supply cable. This is easily obtained by arranging, on the casing, outside the cleaning machine itself, an outlet or the like supplied with the current intended for the cylindrical brushes, such as

  as described in more detail in claim 13.

  Another essential object of the invention consists in the device for receiving and discharging cleaning powder for textile covering according to claim 14, which can be added in particular to cleaning machines for textile covering already

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  existing and is characterized in that it is formed with two oblong powder receiving channels surrounding or projecting under or extending under the lower edges of the housing parallel to the rotary cylindrical brushes, preferably over the entire length of said edges, having a longitudinal opening open on the inside of the casing, having a transverse profile closed towards the outside and downwards but open towards the inside of the casing, and able to be arranged in a connectable manner by their external longitudinal edges or by extensions of the latter to the walls of the housing, it being understood that after installation, mounting or the like of said channels on the housing of the cleaning machine for textile coating, the internal longitudinal edge of the corresponding powder receiving channel, which protrudes upwards. direction of the inside of the housing, extends practically to the ends of the bristles of the cylindrical brush corresponding risk, preferably without touching it, at a certain distance below the ends of the bristles when the latter pass, during the rotation of the brush, through a position parallel to the textile covering,

particularly horizontal.

  This new or retrofitted equipment device described above constitutes the essential part of the cleaning machine according to the invention. However, provision is also made in this case for retrofitting already existing textile coating cleaning machines and

in use.

  To increase the efficiency of the new cleaning machine and to easily rid

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  and particularly effective textile floor coverings of cleaning powder loaded with dirt, it is particularly advantageous that each of its two powder receiving channels has, preferably at mid-length, a connection tube to a suction hose of a vacuum cleaner or the like, opening into said

  laughs, as described in figure 15.

  Finally, it should be emphasized that the new cleaning machine for textile covering or its new powder receiving channel constitute, in each of the construction variants arising

  of claims 1 to 13, embodiments

  preferred of the present invention (see for this purpose

claim 16).

  The invention is now explained in more detail using the figures of the drawings, FIG. 1 is a sectional view of a first embodiment of a cleaning machine for textile covering equipped according to the invention; Figure 2 is also a sectional view of a second embodiment of the new cleaning machine; and The diagram in FIG. 3 represents the junction of the suction conduits leaving the two powder receiving channels of the new machine. The cleaning machine for textile covering 100 represented in FIG. 1 comprises, in

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  a casing 1 with lever or manipulation handle 4 articulated on the latter, cylindrical brushes 2 contra-rotating driven by a motor 3 by means of a system of gears not shown around axes parallel to each other, said brushes having bristles 21 projecting radially from the base cylinder. The two cylindrical brushes 2 rotate in operation so that their bristles 21 passing substantially through the vertical position first come into contact with the textile covering 8, collect the particles 9 of cleaning powder laden with dirt from the operation previous treatment and which have accumulated there, before immediately driving them inside 130 of the housing 1, that is to say in opposite directions of rotation towards the center. The cylindrical brushes 2 are arranged so that their bristles 21 touch almost halfway between the rotating brushes. The cleaning powder, or its particles 9, entrained (és) by the hairs 21 is (are) then entrained by the hairs 21 on approximately three quarters of a turn and then undergo fully the centrifugal force and, when the hairs 21 have carried out this rotation of about three quarters of a turn, that is to say during the passage through this position corresponding to three quarters of a turn (= horizontal position wl), the particles of cleaning powder 9 are projected by the bristles 21 through the opening in slot 56 of the powder receiving channel 5 and land in one of the two powder receiving channels 5 (in the present case on a trapezoid-shaped side), of the powder powder receiving device cleaning 500, in which the

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  9 particles projected. The internal edge 501 of the channel 5 is oriented in the opposite direction to the direction of rotation of the brushes or bristles and ends, as internal delimitation of the abovementioned opening 56, at a distance "a" below the bristles 21 when these occupy precisely, during their rotation, the horizontal position wl. It turned out that this

  arrangement of the edge 501 makes it possible to collect almost

  all of the cleaning powder particles 9. The front and rear oblique walls 11 in the form of skirts of the casing 1 each have a free end downwards 101, on which is fixed a kind of doctor blade or the like made of elastic material 141, such as for example rubber, which scraper contributes to detaching the powder particles 9 from the brushes 21. In the case shown, the channel 5 has an extension or extension plate 53 which extends upwards and which is fixed against the aforementioned front and rear walls 11 of the casing, for example by means of an assembly by screwing or hooking by means of an oblong hole 5365 and a pin 1165 (see in this regard the small detail diagram of FIG. . The channels 5 can also be simply arranged so that their upper edge 531 is joined to the casing wall 11. In addition, each of the two powder receiving channels 5 is equipped with a viewing cap 57, which allows any when viewing the powder particles 9 extracted from the coating

  textile 8 and accumulated in the channel 5.

  The diagram of the figure shows how two hooking pins 1165 with rod and enlarged head protrude from oblique walls, of skirt type, front and rear 11 of the casing, the extension 53 of the

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  channel 5 being suspended, behind said head, to the rods of pins 1165 at the level of the parts

  narrow hooking openings 5365.

  While retaining the same references, FIG. 2 shows another form of the new textile coating cleaning machine 100, in which it is intended, in order to increase efficiency, to vacuum the particles of cleaning powder 9 extracted from the floor covering 8 by the brushes 2 and projected after a rotation of three quarters of a turn in the channel 5 o they accumulate, and this by means of a suction pipe 51 opening into the channel 5. The figure 2 further shows a suction control plate 52 or baffle penetrating deep into the channel 5, which in this case has a profile extending over substantially three quarters of a turn, and substantially dividing said channel, the free lower edge 521 of said suction control plate forming, jointly with the internal wall 511 of the channel 5, which is located at a distance from the latter, a suction control opening 525 substantially in the form of a slot and p with a slit width s. On the casing 1 is provided a socket 150 for connecting a

vacuum cleaner or the like.

  In the two figures, 1 and 2, the mode of suction of the particles 9 of cleaning powder via the suction pipe 51 is not shown in more detail and FIG. 3 shows (while also preserving the same marks) , in a schematic oblique view, an aspiration which

  requires only a powder suction device.

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  It also shows how two powder receiving channels 5, which extend substantially along the lower edges of the casing 1, and their pipes 51 respectively leave two suction hoses 61 opening respectively into the pipes of a common pipe 62 substantially Y-shaped, to the upper tube which can then be connected to the vacuum cleaner (not shown in more detail) with its hose, which can optionally be installed on the casing 1. The common pipe 62 is preferably fixed to the handle handling 4 pivotally mounted on the casing 1 of the machine 100 and

  spanning the latter externally and laterally.

  It is also shown how the two lateral ends 58 of the powder receiving channels 5 are or can be closed by means of end flaps 581, preferably removable or for example liftable.

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Claims (16)

  1. Mobile cleaning machine for textile coating, comprising two oblong cylindrical brushes which are counter-rotating around axes which are parallel to each other and with textile coating, carpet or the like to be cleaned, driven by a motor via a gear system or the like, and housed and mounted in a hood-shaped housing with a handling handle, possibly fitted with a suction unit, which cylindrical brushes, downstream of the point of contact of their bristles with the textile coating to be cleaned, can rotate directly in the direction one from the other before turning outward towards the textile covering, and which cleaning machine for textile covering further comprises a device for receiving the cleaning powder extracted from the textile covering by the cylindrical brushes, comprising two oblong powder receiving channels with a transverse profile open upwards directly n from the inside and a free edge, characterized in that the powder receiving channels (5) are connected or able to be connected or even fixed or able to be fixed by their external longitudinal edge (531) or by an extension (53) at the wall of the casing (11), said channels being arranged or able to be arranged at each of the lower edges (101) of the casing (1) parallel to the rotary cylindrical brushes (2), extending under said lower edges of ca'r'e-er- on mowing the length of said   edges, so as to surround or overflow under them   ci, and the internal longitudinal edge (501) of the - 17 -   channel, oriented or projecting upwards towards the interior of the casing (130) extending directly practically to the ends of the bristles (21) of the cylindrical brushes (2), preferably without touching them, at a distance ( a) below the ends of the bristles (21) when they pass, during the rotation of the brushes (2), through a position (wl) parallel to the textile covering, in particularly horizontal.   2. cleaning machine for textile coating according to claim 1, characterized in that each of the powder receiving channels (5) has, preferably on its side (upper) opposite to the textile coating (8) to be cleaned and preferably to half length of the channel, a tube (51) for connection to a suction hose of a vacuum cleaner or the like, opening out in said channel (5).   3. Cleaning machine for textile covering according to claim 1 or 2, characterized in that it has suction ducts (562), preferably suction hoses or the like, starting from the two suction pipes (51 ) powder receiving channels (5), joining or opening into a single main suction pipe (565) or the like connectable to a suction device or the like and preferably arranged on the handle of manipulation (4).   4. Coating cleaning machine   textile according to one of claims 1 to 3,   characterized in that the receiving channel of - 18 -   powder (5) can be fixed to the casing (1) removably by means of an assembly or a closure by screwing, blocking, tightening, looping, snap-fastening, hooking or the like, in particular by means of a closure knee pad. 5. Cleaning machine for coating   textile according to one of claims 1 to 4,   characterized in that each powder receiving channel (5) or its extension (53) has hooking openings (5365) capable of being engaged on hooking projections (1165), hooks, screw heads or the like protruding of the wall (11) of the housing (1).   6. Cleaning machine for coating   textile according to one of claims 1 to 5,   characterized in that each powder receiving channel (5) is formed according to a substantially cylindrical or rectangular or trapezoidal transverse profile. 7. Coating cleaning machine   textile according to one of claims 1 to 6,   characterized in that the powder receiving channel (5) has on its upper part a   window or a viewing cap (57) or the like.   8. cleaning machine for textile covering according to claim 1 or 2, characterized in that it has a suction control strip (52) extending from the top to the crcuse receiving channel (5) and dividing possibly said channel substantially in the longitudinal direction, it being understood that it is maintained, - 19 -   between the free edge (521) of the strip and said channel (5) or its wall (511), an opening in the suction regulation slot (525) in the form of an oblong slot for the suction of the powder particles of cleaning (9) detached by the different cylindrical brushes (2) during the cleaning of the textile covering (8) then sent into the channel receiving powder.   9. cleaning machine for textile covering according to claim 8, characterized in that to adjust the width (bs) of the opening in the suction adjustment slot (525), the suction adjustment strip (52 ) is designed to be mobile and able to be fixed in position.   10. Coating cleaning machine   textile according to one of claims 1 to 9,   characterized in that it has a doctor blade (141) with a marginal zone, preferably flexible and elastic, oriented downwards, freely ending and arranged substantially tangentially or almost against each of the cylindrical brushes rotary (2).   11. Cleaning machine for coating   textile according to one of claims 1 to 10,   characterized in that at least one of the lateral end openings (58) of the powder receiving channel (5) has a lateral shutter flap (581) or the like, possibly at least partially openable by folding, raising,   tilting, pivoting or the like.   12. Coating cleaning machine   textile according to one of claims 1 to 3 and 6 to - 20 -   11, characterized in that its casing (1) is formed in one piece with the channel for receiving powder (5).   13. Coating cleaning machine   textile according to one of claims 1 to 12,   characterized in that the casing (1) has an electrical connection member (150), for example an electrical outlet, for the connection of an external vacuum cleaner or the like, possibly   can be installed on the housing (1).   14. Device for receiving and evacuating cleaning powder (500) for the new or retrofitting of cleaning machines for textile coating comprising two oblong cylindrical contra-rotating brushes around axes parallel to each other and to the textile coating, carpet or similar to be cleaned, driven by a motor by means of a gear system or the like, and housed and mounted in a hood-shaped casing, with a handling handle, optionally provided with a connection to a unit suction, characterized in that it is formed with two oblong powder receiving channels (5) surrounding or projecting under or extending under the lower edges (101) of the housing (1) parallel to the cylindrical brushes (2) rotary, preferably over the entire length of said edges, each having a longitudinal opening (56) open on the inside (130) of the casing (1), having a closed transverse profile ve rs outside and downwards but open towards the inside of the casing (10), and able to be arranged in a connectable manner by their external longitudinal edges (531) or by - 21 -   extensions (53) of the latter to the walls of the casing (11), it being understood that after installation, mounting or the like of said channels on the casing (1) of the textile coating cleaning machine (100), the internal longitudinal edge ( 501) of the corresponding powder receiving channel (5), which protrudes upwards towards the interior (130) of the casing, extends practically to the ends of the bristles (21) of the cylindrical brush (2 ) corresponding, preferably without touching it, at a distance (a) below the ends of the bristles (21) when the latter pass, during the rotation of the brush (2), through a position (wl) parallel to the textile covering, in particular horizontal.   15. Device for receiving and evacuating cleaning powder according to claim 14, characterized in that each of its two powder receiving channels (5) has a tube (51) preferably arranged at mid-length and opening into said channel, for the connection of the air suction hose of a vacuum cleaner or the like. 16. Device for receiving and discharging cleaning powder according to claim 14 or 15, characterized in that it has at least one of the   characteristics according to one of claims 3 to 13.