EP0788761B1 - An apparatus for processing a base with a rotating member - Google Patents
An apparatus for processing a base with a rotating member Download PDFInfo
- Publication number
- EP0788761B1 EP0788761B1 EP19960203638 EP96203638A EP0788761B1 EP 0788761 B1 EP0788761 B1 EP 0788761B1 EP 19960203638 EP19960203638 EP 19960203638 EP 96203638 A EP96203638 A EP 96203638A EP 0788761 B1 EP0788761 B1 EP 0788761B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotating member
- chassis
- base
- wheel
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
- A47L11/4038—Disk shaped surface treating tools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/02—Floor surfacing or polishing machines
- A47L11/10—Floor surfacing or polishing machines motor-driven
- A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
- A47L11/16—Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
- A47L11/4058—Movement of the tools or the like perpendicular to the cleaning surface for adjusting the height of the tool
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4063—Driving means; Transmission means therefor
- A47L11/4069—Driving or transmission means for the cleaning tools
Definitions
- apparatus For scrubbing and for polishing of relatively large floor areas, frequent use is made of apparatus having a rotating member which is provided with a scrubbing or polishing material. Such apparatus exerts an angular momentum to one side on the floor or base, whereby the apparatus tends to deflect sideways from the desired path in a straight ahead direction, because of the reaction forces exerted by the base to the apparatus.
- the object of the present invention is to provide a base processing apparatus with a varying means ensuring an optimum operation of the rotating member.
- the present invention provides an apparatus for processing a base with the aid of a rotating member, such as for brushing or rubbing the floor, comprising:
- the apparatus according to the present invention can be adapted by the varying means to the extent of the roughness of the base and the extent of roughness of the scrubber or polishing element.
- the user can, as he/she wishes, bias the desired forward force and reduce or increase the angular momentum exerted by the rotating means.
- the driving means may use fluid or gaseous medium.
- the driving means comprise an electric motor and more preferably the apparatus is provided with a rechargeable battery so that wires can be dispensed with while the apparatus is in operation.
- the apparatus preferably comprises two non-driven rear wheels.
- the present invention is also of advantage for an apparatus with driven rear wheels, to prevent additional load on the bearings and/or gearing of one or more of the rear wheels.
- the apparatus is provided with a central driven wheel, for reducing the pushing forces.
- An apparatus 1 (fig. 1) comprises a chassis or frame 2, from which two non-driven rear wheels 3, 4 are suspended and a substantially horizontal wheel 5 or disk 6 which is driven in the direction of arrow A. To prevent the disk or wheel 5 damaging a wall W, the apparatus is preferably provided with a frame part 30 projecting beyond the circumference of the disk and on which a freely rotatable wheel 31 is disposed.
- the wheel 5 or disk 6 exerts angular momentum relative to the pair of rear wheels in the direction of arrow A to the base, whereby the base exerts angular momentum in the opposite direction to the apparatus, which results in a tendency of a deflection to one side.
- This can therefor be undesirable especially in the present embodiment where the rear wheels 3, 4 are not driven.
- a pressing member 40 is disposed on frame 2, which obviates or reduces the angular momentum and converts it into a force in the forward direction of arrow B, which force also facilitates pushing the apparatus.
- the position of the pressing force is adjustable relative to the disk, whereas the magnitude of the reaction angular momentum exerted by the base to the apparatus and the magnitude of the propelling force are also adjustable, If on e.g. a rough base or floor the pressing member is displaced in the direction of arrow D, the forward force is decreased, while the tearing to the side of the apparatus is reduced to a sufficient extent.
- the forward force increases and the angular momentum of the base to the apparatus decreases.
- Pulley 11 is disposed on a pivotable support part 13, and tension spring 14 maintain the tension in belt 12.
- the apparatus is provided with a precharcheable battery, so that an electric cable can be dispensed with during the operation.
- Wheel 5 and disk 6 are attached to the frame by means of a cardanic suspension 15 which is disposed on a suspension frame part 16, whereby wheel 5 and disk 6 are movable in all directions, at least in the pivot direction imposed by pressing member 40.
- Pressing wheel 20 is pivotably disposed on a suspension part 22 via arm 21, which suspension part 22 is secured to the cardanic suspension 15.
- the pressing force of the pressing wheel 20 can be varied by screwing of a counter weight 23 which is provided on a further arm 24 to pivot axis 25.
- Pressing wheel 20 is in the present embodiment formed by a wear-resistant wheel of plastic material.
- the position of the pressing wheel 20 is adjustable along the circle arc of arrows C and D by means of an adjusting knob 26 which can be arrested e.g. in a depressed rest position, and which will displace a toothed rack 28, according to the circle arc through toothed pinion 27, when it is lifted and turned.
- an adjusting knob 26 which can be arrested e.g. in a depressed rest position, and which will displace a toothed rack 28, according to the circle arc through toothed pinion 27, when it is lifted and turned.
- the user will primarily adjust the position of the pressing wheel of the disk dependent on the roughness/smoothness of the surface to be scrubbed or polished and dependent on the type of scrub element or polishing element present under the disc, as this biasing can be executed easily from the exterior. Since biasing the magnitude of the pressing force will have to be done in the interior of the apparatus e.g. by screwing and displacing of the counter weight, this type of adjustment is less preferred in actual practice.
- the apparatus is preferably provided with a central driven wheel for driving the apparatus. It goes without saying that the present invention is not limited to the above described preferred embodiment thereof. The requested rights are primarily defined by the following claims, within the scope of which various modifications are possible.
- a variation which is not limited, relates e.g. to the way in which the force exerted by the pressing wheel to the disc is adjusted. As shown in figure 3, this force can also be adjusted through a screw spring 51 which can be adjusted by turning knob 52.
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Cleaning In General (AREA)
Description
- For scrubbing and for polishing of relatively large floor areas, frequent use is made of apparatus having a rotating member which is provided with a scrubbing or polishing material. Such apparatus exerts an angular momentum to one side on the floor or base, whereby the apparatus tends to deflect sideways from the desired path in a straight ahead direction, because of the reaction forces exerted by the base to the apparatus.
- To prevent this, it is possible to dispose the rotating member with a relatively small angle, whereby a forward force to such apparatus also results. This is particularly advantageous if further wheels are not driven and the scrubbing machine has to be pushed by human power. It is also known to suspend the rotating member in a cardanic way and to exercise pressure locally to the rotating member.
- The known techniques show a disadvantage, as the operation of the rotating member, e.g. for cleaning purposes, will vary, dependent on the roughness/smoothness of the base. The above solutions are therefor a compromise, especially if the apparatus has to be suited for any scrubbing element as well as for any polishing cloth which show quite a different friction coefficient relative to various bases or floors.
- Further solutions to the aforementioned problem are taught by DE-A-44 13 795 and EP-A-073,725 disclosing floor cleaning machines comprising a rotating member, driving means for driving the rotating member, and varying means for varying the magnitude and position of the pressing force exerted by the rotating member relative to a floor surface treated by said machines.
- The object of the present invention is to provide a base processing apparatus with a varying means ensuring an optimum operation of the rotating member.
- The present invention provides an apparatus for processing a base with the aid of a rotating member, such as for brushing or rubbing the floor, comprising:
- a frame or chassis;
- coupling means disposed on the chassis and for coupling the rotating member to the chassis;
- driving means disposed in the chassis and for driving the rotating member; characterised in that
- (a) the apparatus of the invention further comprises varying means for varying only the position of the pressing force of the rotating member relative to the base, whereby the magnitude of the pressing force is kept constant; and
- (b) the varrying means comprise a pressing wheel of which the position relative to the rotating member is adjustable by adjusting means comprising a toothed rack and pinion, and an adjusting knob.
- The apparatus according to the present invention can be adapted by the varying means to the extent of the roughness of the base and the extent of roughness of the scrubber or polishing element. The user can, as he/she wishes, bias the desired forward force and reduce or increase the angular momentum exerted by the rotating means.
- The driving means may use fluid or gaseous medium. In the preferred embodiment, however, the driving means comprise an electric motor and more preferably the apparatus is provided with a rechargeable battery so that wires can be dispensed with while the apparatus is in operation. As discussed above the apparatus preferably comprises two non-driven rear wheels. The present invention, however, is also of advantage for an apparatus with driven rear wheels, to prevent additional load on the bearings and/or gearing of one or more of the rear wheels.
- In a further preferred embodiment the apparatus is provided with a central driven wheel, for reducing the pushing forces.
- Further advantages, features and details of the present invention will be clarified by means of the following description of preferred embodiments thereof, with reference to the annexed drawings, in which:
- fig. 1 shows a principal diagram of an apparatus according to the present invention;
- fig. 2 shows a perspective view partly broken away of the embodiment of fig. 1; and
- fig. 3 shows a perspective view of an alternative part of the embodiment of fig. 2.
-
- An apparatus 1 (fig. 1) comprises a chassis or
frame 2, from which two non-drivenrear wheels horizontal wheel 5 or disk 6 which is driven in the direction of arrow A. To prevent the disk orwheel 5 damaging a wall W, the apparatus is preferably provided with aframe part 30 projecting beyond the circumference of the disk and on which a freelyrotatable wheel 31 is disposed. - The
wheel 5 or disk 6 exerts angular momentum relative to the pair of rear wheels in the direction of arrow A to the base, whereby the base exerts angular momentum in the opposite direction to the apparatus, which results in a tendency of a deflection to one side. This can therefor be undesirable especially in the present embodiment where therear wheels member 40 is disposed onframe 2, which obviates or reduces the angular momentum and converts it into a force in the forward direction of arrow B, which force also facilitates pushing the apparatus. As thepressing member 40 is displaceable in the direction of the arrows C and D, according to the preferred embodiment of the apparatus according to the present invention, the position of the pressing force is adjustable relative to the disk, whereas the magnitude of the reaction angular momentum exerted by the base to the apparatus and the magnitude of the propelling force are also adjustable, If on e.g. a rough base or floor the pressing member is displaced in the direction of arrow D, the forward force is decreased, while the tearing to the side of the apparatus is reduced to a sufficient extent. When adjusted in the direction of arrow C, the forward force increases and the angular momentum of the base to the apparatus decreases. - The
wheel 5, in this embodiment formed by a spoked wheel and a closed diskshaped plate, is driven by a belt orstring 12, which is bound aroundpulleys pulleys 8 and 9, one of which is driven by an electric motor 7. Pulley 11 is disposed on apivotable support part 13, andtension spring 14 maintain the tension inbelt 12. Preferably the apparatus is provided with a precharcheable battery, so that an electric cable can be dispensed with during the operation. -
Wheel 5 and disk 6 are attached to the frame by means of acardanic suspension 15 which is disposed on asuspension frame part 16, wherebywheel 5 and disk 6 are movable in all directions, at least in the pivot direction imposed by pressingmember 40. -
Pressing wheel 20 is pivotably disposed on asuspension part 22 viaarm 21, whichsuspension part 22 is secured to thecardanic suspension 15. The pressing force of thepressing wheel 20 can be varied by screwing of acounter weight 23 which is provided on afurther arm 24 topivot axis 25.Pressing wheel 20 is in the present embodiment formed by a wear-resistant wheel of plastic material. - The position of the
pressing wheel 20 is adjustable along the circle arc of arrows C and D by means of an adjustingknob 26 which can be arrested e.g. in a depressed rest position, and which will displace atoothed rack 28, according to the circle arc throughtoothed pinion 27, when it is lifted and turned.
In practice the user will primarily adjust the position of the pressing wheel of the disk dependent on the roughness/smoothness of the surface to be scrubbed or polished and dependent on the type of scrub element or polishing element present under the disc, as this biasing can be executed easily from the exterior. Since biasing the magnitude of the pressing force will have to be done in the interior of the apparatus e.g. by screwing and displacing of the counter weight, this type of adjustment is less preferred in actual practice. - In a non shown way, the apparatus is preferably provided with a central driven wheel for driving the apparatus.
It goes without saying that the present invention is not limited to the above described preferred embodiment thereof. The requested rights are primarily defined by the following claims, within the scope of which various modifications are possible. - A variation which is not limited, relates e.g. to the way in which the force exerted by the pressing wheel to the disc is adjusted. As shown in figure 3, this force can also be adjusted through a
screw spring 51 which can be adjusted by turningknob 52.
Claims (7)
- An apparatus (1) for processing a base with the aid of a rotating member (5,6), such as brushing or rubbing a floor, comprising:a frame or chassis (2) ;coupling means (15) disposed on the chassis and for coupling the rotating member to the chassis;driving means (7, 12) disposed in the chassis and for driving the rotating member; characterized in that(a) the apparatus (1) further comprises varying means (20, 26, 27, 28) for varying only the position of the pressing force of the rotating member (5, 6) relative to the base, whereby the magnitude of the pressing force is kept constant; and(b) the varying means comprise a pressing wheel (20) of which the position relative to the rotating member is adjustable by adjusting means comprising a toothed rack (28)and pinion (27), and an adjusting knob (26).
- An apparatus according to claim 1, provided with two or more non-driven rear wheels (3, 4).
- An apparatus according to claim 1 or 2, wherein the coupling means comprise cardanic suspension means (15).
- An apparatus according to any of the preceding claims, in which the driving means comprise an electric motor (7) and one or more transmission belts (12) for transmitting the driving force of the electric motor (7) to the rotating member.
- An apparatus according to claim 4 provided with a chargeable battery for supplying power to the motor.
- An apparatus according to any of the preceeding claims, provided with a frame part (30) projecting beyond the rotating member and to which a free running roll or wheel (31) is secured.
- An apparatus according to any of the preceeding claims, provided with one or more driven wheels.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19960203638 EP0788761B1 (en) | 1996-02-09 | 1996-12-19 | An apparatus for processing a base with a rotating member |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96200289 | 1996-02-09 | ||
EP96200289 | 1996-02-09 | ||
EP19960203638 EP0788761B1 (en) | 1996-02-09 | 1996-12-19 | An apparatus for processing a base with a rotating member |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0788761A1 EP0788761A1 (en) | 1997-08-13 |
EP0788761B1 true EP0788761B1 (en) | 2000-05-17 |
Family
ID=26142472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19960203638 Expired - Lifetime EP0788761B1 (en) | 1996-02-09 | 1996-12-19 | An apparatus for processing a base with a rotating member |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0788761B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019032438A1 (en) * | 2017-08-07 | 2019-02-14 | Balanced Body, Inc. | Reformer carriage drag adjustment apparatus |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1604605B1 (en) | 2004-05-26 | 2006-09-06 | JohnsonDiversey, Inc. | Floor cleaning machine |
CN105133477B (en) * | 2015-07-24 | 2017-06-20 | 吴聪颖 | It is a kind of can quick heat radiating intelligent road construction device |
CN106235969A (en) * | 2016-08-05 | 2016-12-21 | 凡音环保科技(苏州)有限公司 | A kind of can be with artificial intelligence's floor-cleaning machine of remote control |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2511860B1 (en) * | 1981-09-02 | 1986-02-21 | Plazanet Maurice | MACHINE FOR CONDITIONING AND / OR MAINTAINING FLOORS |
GB9315447D0 (en) * | 1993-07-26 | 1993-09-08 | Unilever Plc | Floor cleaning and polishing equipment |
DE9406593U1 (en) * | 1994-04-20 | 1995-08-17 | Diethelm & Co. AG, Zürich | Floor cleaning machine, in particular scrubbing or polishing machine |
-
1996
- 1996-12-19 EP EP19960203638 patent/EP0788761B1/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019032438A1 (en) * | 2017-08-07 | 2019-02-14 | Balanced Body, Inc. | Reformer carriage drag adjustment apparatus |
US11198029B2 (en) | 2017-08-07 | 2021-12-14 | Balanced Body, Inc. | Reformer carriage drag adjustment apparatus |
Also Published As
Publication number | Publication date |
---|---|
EP0788761A1 (en) | 1997-08-13 |
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