CN106793908B - With dirt case and for keeping cleaning sheet close to the floor cleaning equipment of the panel of dirt case - Google Patents

Abstract

The invention discloses a kind of feet for device and a kind of relevant apparatus for cleaning target surface and being acceptable for the sheet material contacted with the target surface.The device also has rotatable hired roughneck's dust removing bar.Hired roughneck's dust removing bar and sheet material provide two kinds of cleaning modes for the device.The device has feet, which includes for the shell of hired roughneck's dust removing bar and to front lip and also with the bottom plate for receiving cleaning sheet.The relationship of the proximal of the antelabium and the bottom plate is separated from each other.Appropriate spacing between the part with hired roughneck's dust removing bar of the shell and the bottom plate for keeping the sheet material provides improved double-mode clean-up performance.The cleaning systems can be used to cleaning hard surface such as floor.

Description

With dirt case and for keeping cleaning sheet close to the floor-cleaning of the panel of dirt case Device

Invention field

The present invention relates to the devices with the sheet material that can be used for cleaning floor or other hard surfaces, and relate more specifically to Such device with the sheet material that can be removedly attached.

Background technique

To hard surface such as floor (vinyl flooring, malthoid floor, tile floor, concrete floor), work top, shower It is well known in the art that equipment etc., which is cleaned,.Cellulose paper handkerchief and nonwoven sheet can be used to realize cleaning, such as originally Known to field.Nonwoven sheet can be made according to commonly assigned US 6,936,330 and/or 6,797,357.Cellulose Paper handkerchief can be made according to commonly assigned US 4,191,609 and/or 4,637,859.

This based sheet has been removably attached to hand-operated tools.These tools, which increase, touches range, and improves Ergonomics performance.For example, the tool allows user to carry out with stance when hard surface to be cleaned is floor Cleaning, to improve comfort level with cleansing phase ratio is carried out with squatting position or kneeling position.Hand-operated tools can according to commonly assigned US 8, 684,619；6,305,046 and/or D588,770 is made.

The problem encountered when cleaning floor is that user is likely encountered the tacky dirt for tending to be adhered to floor Object, and/or encounter tend to less be adhered to a variety of minute dirts on floor such as dust, particular pollutant, dehydrated food clast, Plant, soil etc..In order to improve the cleaning to solvable spot and tacky spot, wetting and wettable floor slice has been used Material.The floor sheet material pre-wetted includes having those of APG polymer, such as commonly assigned US 6, disclosed in 716,805.It can The floor sheet material of wetting has been combined commercially available Swiffer WetJet^(R)Device carry out using.The device is from replaceable Reservoir clean solution is sprayed on floor, such as commonly assigned US 8, described in 186,898.Clean solution chemical substance And its reservoir can be made according to commonly assigned US 6,386,392.The floor sheet material for absorbing clean solution from floor can basis Commonly assigned US 5,960,508,6,101,661 and/or 7,144,173 is made.

But these trials are not the dirts that encountered entire scope is always sufficiently cleaned from floor, especially big Particle, such as cereal and clod.In order to overcome the problems, such as loose bulky grain cleaning, rotatable hired roughneck is utilized and has removed Dirt stick, as disclosed in following patent: the US 9,783 that on June 28th, 1881 announces again；It announces on September 30th, 1884 306,008；329,257 announced on October 27th, 1885；4,654,927 announced on April 7th, 1987；November 14 in 2006 7,134,161 announced day.Hired roughneck's dust removing bar in these teaching content is by wheel drive.In particular, these are referred to Each bibliography in document proposes the multiple wheels contacted with floor to be cleaned.These wheel drives hired roughneck's dust removing bar, from And eliminate the needs to self-contained power motor.The cost and weight of electric motor increase device.Also Schizoid has been used to beat Hand dust removing bar, such as 2005/0055792 and 7, shown in 134,161.

Many mechanical sweeper devices use hired roughneck's dust removing bar including nylon brush hair.Bristle can also be used on carpet, in carpet Upper bristle can help loose hair.Bristle is susceptible to hair/velveteen/silk thread winding, this can make performance degradation.By It is picked up in mechanical sweeper device by momentum, therefore the cleaning capacity of contaminated bristle reduces.In addition, bristle may divide From to need higher rotation speed to reduce bristle separation, and minimum is across the particle of bristle.Therefore, some hired roughnecks Dust removing bar uses fin or blade.

Electric device can have hired roughneck's dust removing bar, and hired roughneck's dust removing bar is by battery or AC line powering to help to pick up dirt Object.These devices have higher rotation speed than hired roughneck's dust removing bar of Mechanical Driven when picking up particle and may more have Effect.But in the case where battery life exhausts or wire length is inadequate, electric device may be inconvenient.

The known device for also carrying out secondary using disposable sheet material, such as by EP 1027855；US 2009/0077761； US 7,013,528；Shown in US 7,346,428 and commonly assigned US 7,676,877.Clamper can be used in disposable sheet material It is attached to tool, as described in commonly assigned 2014/0026344.Exemplary 2009/0077761, US 7,013,528, US 7,346,428 and EP 1027855 shows the common arrangement that sheet material is attached to the bottom of device.Commonly assigned 7,676, 877 teach a kind of burnisher, which has pivotable bottom wall, and clean substrate can be attached to the bottom wall.Jointly 2013/0333129 transferred the possession of teaches a kind of with rotary hired roughneck's dust removing bar and close to the cleaning sheet of hired roughneck's dust removing bar Device.

But even not may be used in the case where making hired roughneck's dust removing bar be followed by the double-mode pick device of cleaning sheet All clasts are trapped from target surface.One problem of the device with double-mode pickup is that clast can be in this two kinds pickup moulds Pass through between formula.For example, not can bypass cleaning sheet by the clast that hired roughneck's dust removing bar traps, and more specifically, clast can be Pass through between hired roughneck's dust removing bar and sheet material.If such clast is not captured, these clasts be retained on floor and Clean up task may not be satisfactory.

A kind of possible solution will provide antelabium in the inlet in hired roughneck's dust removing bar path.The antelabium can be similar to Dustpan pulls on floor.But this trial in solution can cause the dragging in and/or the scraping of timber floor. Obviously, a kind of better method is needed to prevent the clast bypassed to be retained on floor after the cleaning.

Summary of the invention

The present invention includes the feet for receiving can be removed sheet material.The feet can move on the surface and including for inciting somebody to action Hired roughneck's dust removing bar is maintained at the shell in a part of feet.Antelabium limit shell holding hired roughneck's dust removing bar part to Back edge.Feet also has the bottom plate for being joined to shell.Bottom plate removedly receives disposable cleaning sheet material on it.Bottom plate Optionally around pivotal axis between the open position for repairing cleaning sheet and the closed position optionally for clean up task It pivots.Bottom plate has the distal side edge close to antelabium.Antelabium and distal side edge define therebetween predetermined gap, gap Range is about -8mm to about+8mm.

Detailed description of the invention

Figure 1A is the side front view of the device of the invention, and it is in the close position that there is shown with bottom plates, and shows device Forward face is to the right.

Figure 1B is the side front view of the device of Figure 1A, and it is in an intermediate position that there is shown with bottom plates, and shown in dotted line clear Clean sheet material.

Fig. 1 C is the side front view of the device of Figure 1A, and there is shown with bottom plates to be in a fully open position, and is shown with dotted line Cleaning sheet out.

Fig. 2A is the front perspective view according to the alternative embodiment of the device of the invention, the device have hired roughneck's dust removing bar and The head of protrusion, it is in the close position that there is shown with bottom plates.

Fig. 2 B is the front perspective view of the device of Fig. 2A, and there is shown with bottom plates to be in a fully open position, and is shown with dotted line Cleaning sheet out.

Fig. 2 C is the rear perspective view of the device of Fig. 2 B, and there is shown with bottom plates to be in a fully open position, and is shown with dotted line Cleaning sheet out.

Fig. 3 A is according to the rear perspective view of the alternative embodiment of the device of the invention, which has optional dirt Storehouse, the double fastener holder pair for being attached different cleaning sheet length, it is in the close position that there is shown with bottom plates.

Fig. 3 B is the side front view of the device of Fig. 3 A and shows in phantom and be attached to the clear of two groups of different clampers Clean sheet material.

Fig. 4 is the vertical segment section view of device, which has the gap with overlapping portion, and before showing device Portion is towards left side.

Fig. 5 is that clast is picked up in the gap between the distal side edge forward of bottom plate and the antelabium of the part of hired roughneck's dedusting stick housing The graphical representation of the influence taken, it illustrates the performances of example dual mode cleaning device.

Specific embodiment

With reference to Figure 1A-Fig. 1 C, the present invention may include the dual mould for cleaning hard surface floor, work top etc. Formula surface cleaning apparatus 10.The device 10 be may include shank 12 and is installed to the feet 14 of the shank with pivoting relationship.It pivots Relationship may include the mono-axial pivoting relationship occurred such as hinge or the multi-axial cord pivoting relationship such as universal joint generation.Alternatively, If it is desire to small hand-held device 10, then shank 12 and feet 14 can be configured to fixed relationship, so that work top, shower Equipment and similar surface can be cleaned.Shank 12 and feet 14 can permanently or removably link together.Or it is small Hand-held device 10 can only include feet 14 without include shank 12.

Feet 14 can include hired roughneck's dust removing bar 44 on its bottom, to provide the first cleaning to bits grain, bulky grain etc. Mode.Feet 14 can removedly receiver sheet 20 on its bottom, to provide to the powder not trapped by the first cleaning mode Second cleaning mode of dirt and smaller clast.

With specific reference to Figure 1B-Fig. 1 C, the floor sheet material 20 or other cleaning cloths used in combination with the present invention may include texture Change non-woven fabric and more specifically spun lacing method non-woven fabric.The non-woven material may include that there are three the single synusia of layer for tool. Three layers may include being plugged between two spun-bonded fibre layers to be combed into network fiber layer.Sheet material 20 can be according to commonly assigned US 6,561,354；6,645,604 and/or 2002/0042962 is made.

Optionally, sheet material 20 may include laminate configuration, especially combine it is contemplated by the invention that moistening in clean situation. The lamilate may include at least one floor contact layer and at least one absorbability reservoir for storage layer.Dedicated third feet 14 contact layers are optional and can be used in being attached to device 10.Therefore, sheet material 20 of the invention may include 1,2,3 A, 4 or more layers.

In one embodiment, fiber can be air-flow method nonwoven web comprising natural fiber, staple length synthesis are fine The combination of dimension and latex adhesive.Dry fiber net can be about the wood pulp cellulose of 20 weight % to 80 weight %, 10 weight % extremely The adhesive of the staple length polyester fiber of 60 weight % and about 10 weight % to 25 weight %.Dry sheet material 20 can have Jie Base weight between about 30 grams/m and about 1000 grams/m.

It can be especially advantageous that sheet material 20 is pre-wetted used in system of the invention, because they always can be used at any time, and And it is easy to use, without carrying out specific dosing.User, which does not have to concern, to be applied with excessive clean solution and causes to waste, also not It must worry to be applied with very few clean solution and effect is insufficient.Pre-wetting sheet material 20 can be according to commonly assigned US 6,716,805 Teaching content be made.Sheet material 20 may include membrana perforata or non-porous film, all floor sheet materials for wetting as known in the art 20 film.If undebarred, non-porous film will inhibit steam or liquid to pass therethrough, to potentially reduce cleaning systems The effect of.

Sheet material 20 can abandon after a single use.For disposable, refer to that sheet material 20 is cleaning at least 5,10,15,20 Or more square metre single use after discarded, and it is not washed or restore.Alternatively, sheet material 20 can be washed and answer It is originally intended to subsequent use.Sheet material 20 can be used as scrubbing material and/or the additional materials with addition for shampooing.

Sheet material 20 can be substantially rectangular, and its size is set to removedly to be fitted on the bottom plate 70 of device 10. Sheet material 20 can have there are two opposite face, i.e., the top surface for being attached to the bottom plate 70 of device 10 and contact and clean object table The bottom surface in face.Sheet material 20 may use clamper 74 as described herein that can be removably attached to feet 14, and have Body it is attached to the bottom plate 70 of the feet.

With reference to Fig. 2A-Fig. 2 C, feet 14 may include the sufficiently large occupied area to accommodate sheet material 20.Feet 14 can be Substantially rectangular, there are front 52, rear portion 53 and two sides 54 spaced apart.Feet 14 may include around longitudinal centre line Symmetrically two opposite mirror images.User can substantially by a series of strokes from front 52 posteriorly 53 and back from rear portion forward Portion's pushing meanss 10.

Device 10 may include capableing of hired roughneck's dust removing bar 44 of axial-rotation to remove clast from floor.Hired roughneck's dust removing bar 44 can It can be started by wheel manual actuation or by AC motor or DC motor electro, as known in the art.Hired roughneck's dust removing bar 44 can will be loose Clast be swept into dirt bin 58, as described in 2010/0287716.

Optional hired roughneck's dust removing bar 44 can be parallel to the transverse direction of feet 14 and be parallel to axis.Hired roughneck's dust removing bar 44 exists Its axis axial-rotation can be surrounded on forward stroke.Such rotation can collect bulky grain in optional dirt bin 58.Not by The smaller particle of the rotating collection of hired roughneck's dust removing bar 44 can be trapped by sheet material 20, and sheet material 20 trails hired roughneck's dedusting on forward stroke Stick 44.

For safety, hired roughneck's dust removing bar 44 may be housed in shell 50.Hired roughneck's dust removing bar 44 can be parallel to feet 14 52/ rear portion 53 of front and be transversely to the machine direction center line.Device 10 may include two or more conllinear hired roughneck's dust removing bars 44.Two A hired roughneck's dust removing bar 44 can be configured to have hired roughneck's dust removing bar on every side of longitudinal centre line.Each hired roughneck's dust removing bar 44 It may be provided on axis and rotated around the axis.Each axis can extend to juxtaposed with longitudinal centre line from the corresponding side 54 of shell 50 Lug.Axis can be in place by the locking of the protrusion in axis, which is fitted in the complementary retainer in lug.Hired roughneck Therefore dust removing bar 44 can be easily and conveniently removed and replaced, without removing band, screw etc..

With reference to Fig. 2 B, hired roughneck's dust removing bar 44 be may be provided in the part of shell 50 partly limited by antelabium 45.Antelabium 45 may be provided at during use on floor or close to floor.Antelabium 45 can be parallel to hired roughneck's dust removing bar 44 and generally in width Correspond to hired roughneck's dust removing bar on degree.Antelabium 45, which can be scraped, to be washed the floor and provides for feet 14 to collect clast in use. Antelabium 45 can also enter collection system for clast and provide entrance, as follows to be discussed about exemplary dirt bin 58.Antelabium 45 The rearward edge that shell 50 keeps the part of hired roughneck's dust removing bar 44 can be limited.

With reference to Fig. 2A, feet 14 may include optional dirt bin 58 to connect from hired roughneck's dust removing bar 44 or other cleaning modes Receive clast.It, can be by the covering in shell 50 or by the way that shell 50 to be switched at the end of clean up task or in filling Open position removes dirt bin 58 from feet 14 by other approach.After the removing, dirt bin 58 can be emptied or Replacement.If desired, dirt bin 58 may include a part of shell 50.

With reference to Fig. 2 B, feet 14 may include one or more wheels 40.Single wheel 40 may be provided at the longitudinal direction of feet 14 On center line, as described in commonly assigned US 2013/0333129A1.Wheel 40 can be towards the front of feet 14 52 or rear portion 53 installations.The axis and axis can be parallel to the width direction of feet 14, and perpendicular to the longitudinal centre line of the feet 14.Wheel 40 diameter range can be 18mm to 63mm and in particular 43mm.Wheel 40 at circumference can relative narrower can be manipulated with improving Property.Wheel 40 can have rubber periphery, to provide the tractive force for being enough to drive each optional 44 (if present) of hired roughneck's dust removing bar. One or more hired roughneck's dust removing bars 44 can by with wheel 40 1:1 ratio be driven or can by gear drive with by range in 3:1,4: 1,5:1 or 6:1 or bigger ratio are rotatably driven to be faster than wheel 40.

With reference to Fig. 2A-Fig. 2 B, feet 14 may also include optional plow 56.Plow 56 can be chevron, bow Shape, relative to device 52 diagonal line of front be orientated etc..Plow 56 can be from wheel transfer clast more directly to be removed by hired roughneck Dirt stick 44 or sheet material 20 intercept.

With reference to Figure 1A-Fig. 1 C, shell 50 can have bottom plate 70 that is removable or being hingedly attached.Bottom plate 70 is from shell 50 Removal/bottom plate allow to touch hired roughneck's dust removing bar 44, dirt bin 58 and/or specifically sheet material 20 relative to the pivot of shell. This arrangement allows the replacement of hired roughneck's dust removing bar 44 to occur in the case where not using tool such as screwdriver or pliers.This paper institute The 360 degree rotation that the bottom plate 70 stated does not need one relative to another one relative to the pivoting relationship of shell 50.Bottom plate 16 is from outer Pivot/joint motions of shell 50 or other temporary removals only need to intercept the maintenance for being enough to allow sheet material 20 in an open position 20/ bottom plate 70 of sheet material in [installation/removal] and feet 14 is in the angle of the placement of the closed position for clean up task Degree/position.

Entire bottom plate 70 can be hinged to open position.As used herein, shell 50 and bottom plate 70 can move relative to each other It is dynamic.One can be remain stationary, and another one joint motions or moved to closed position/from closed position joint motions or moved to Open position simultaneously returns.Although showing bottom plate 70 is hingedly attached to shell 50, the present invention is will be recognized in technical staff It is without being limited thereto.

Bottom plate 70 and shell 50, which can be generally higher than by shell 50 or overweight bottom plate 70, to be distinguished from each other.Shell 50 can be used as Component such as takes turns the frame of 40, hired roughneck's dust removing bar 44, dirt bin 58 and/or other component and provides attachment for component.

Bottom plate 70 can be pivoted around pivot axis.This axis can be transversely to the machine direction center line and two sides separated 54 Between extend.The rearward portion 172 that bottom plate 70 has front portion 173 and is oppositely arranged around axis.Front portion 173 and to Afterwards part 172 in response to user manipulation and rotated around axis with synchronized relation.If user grasp front portion 173 or Rearward portion, and a part 172,173 is manipulated with mobile relative to shell 50, then another part 172,173 will be same And at the same time relative to shell 50 and around the mobile equal amount of pivot axis.Front portion 173 and rearward portion 172 can be rigid Sexual intercourse engagement, to ensure to synchronize movement when bottom plate 70 is rotated around pivot axis relative to shell 50.

Front portion 173 can have distal side edge 175.The front portion 173 of bottom plate 70 and specifically its panel 73 Distal side edge 175 can for it is straight, be parallel to hired roughneck's dust removing bar 44 and correspond to hired roughneck's dust removing bar on the width.Distal side edge 175 can also be at an angle of and/or the tapered specific part to direct the particle into hired roughneck's dust removing bar 44.

Each of front portion 173 and rearward portion 172 of bottom plate 70 can have one or more clampers 74.This Arrangement allows sheet material 20 to be attached to bottom plate 70 and is not attached to shell 50 or is not interfered by shell 50.Sheet material 20 could attach to forward The surface upwardly of 172 the two of part 173 and rearward portion.Clamper 74 may be provided at front portion 173 and rearward portion It is orientated on both 172 surface upwardly, far from floor.

This arrangement advantageouslys allow for sheet material 20 to wrap up the leading edge of front portion 173 and the back edge two of rearward portion 172 Person.Clast for two edges for wrapping up pivotable bottom plate 70, on both forward stroke direction and reverse stroke direction Cleaning be reduced.Similarly, free edge of the separation compared to sheet material 20 of the free edge of the sheet material 20 of bottom plate 70 is wrapped up It is arranged on the bottom of bottom plate 70 and rubs and is unlikely to occur by the case where clean floor or other surfaces.In existing skill Inexpectancy or the such beneficial effect of prediction in known device in art.

Bottom plate 70 may include generally planar panel 73, and having is 173 He of front portion for being substantially reciprocally coplanar relationship Rearward portion 172.Alternatively, bottom plate 70 can be bent, specifically convex outward.This geometry is provided as follows beneficial to effect Fruit: the pressure from user is focused in the smaller portions of sheet material 20 and reduces sweeping to the clast in the front of sheet material 20 It removes.

One or more clampers 74 may be provided on the head 72 of bottom plate 70.One or more clampers 74 may be provided at It on the panel 73 of bottom plate 70, and specifically may be provided on its inner face, such as submitted on July 22nd, 2013 commonly assigned Disclosed in application 13/947,501.All clampers 74 are arranged on the bottom plate 70 of articulating in this arrangement.In this cloth In setting, it is arranged on shell 50 without clamper 74.

Sheet clamping device 74 may include finger-shaped material with resilience, such as commonly assigned US 6,305,046, US 6,484, Shown in 346 and US 6,651,290 and US 20140026344.Clamper 74 can also or alternatively include that hook-loop fastens Part, adhesive, friction clamp gripping member, clamp etc..

Clamper 74 can be specifically configured on bottom plate 70, as described herein.That is, shell 50 may not have clamper 74 And/or it may not be needed that sheet material 20 is fixed to feet 14 using clamper 74.This arrangement provides following the utility model has the advantages that institute There is clamper 74 that can rotate together, and without relative movement and same together independently of shell 50 between each clamper 74 Step rotation.

With reference to Fig. 2A-Fig. 2 C, in specific embodiments, bottom plate 70 may include panel 73 and extend and have from the panel The optional head 72 outwardly and/or upwardly extended from the panel to body.Head 72 may be provided at the rearward portion 172 of bottom plate 70 On.Panel 73 may be provided on the front portion 173 of bottom plate 70 or including the front portion.

The major part of panel 73 can have general planar shape, and generally planar.Panel 73 can have inner face and with The opposite outside of inner face.73 part of such panel of bottom plate 70 is without being flat, as indicated, but can be had according to vantage There are convex or other bowed shapes.Panel 73 can have the proximal end near head 72 and the distal end portion far from proximal end Portion.The distal end of panel 73 can have for sheet material 20 to be easily wrapped in surrounding edge.

Can be integral with panel 73 and/or be rigidly attached to panel in head 72.This arrangement provides in the art also not It was found that the utility model has the advantages that as bottom plate 70 is mobile, such as in rotation to during open position/closed position, head 72 and panel 73 are synchronized and move together and do not have therebetween independent mobile.Head 72 is synchronous with panel 73, movement mentions simultaneously For it is such the utility model has the advantages that during 20 installations of sheet material/replacement it is less to the manipulation of feet 14.

The rear portion of feet 14 is specifically arranged in head 72 and rearward portion 172.Bottom plate 70 can portion envelops shell 50, Advantageous placement of the clamper 74 on bottom plate 70 is provided.The inside of bottom plate 70 is arranged in one or more clampers 74, and has The inside of body floor plate 73.Similarly, one or more clampers 74 may be provided at bottom plate 70 top and in particular head The top in portion 72.

With reference to Fig. 3 A and Fig. 3 B, head 72 may include clamper 74, which is arranged on the top on head, and can Generally horizontal orientation.Alternatively or in addition to this, clamper 74 may be provided on the rear portion 53 on head 72.This is arranged clamper 74 are arranged in vertical orientation, although technical staff will be recognized that clamper 74 can be set between the orientation between vertically and horizontally It sets.The double set of clamper 74 makes head 72 adapt to different 20 sizes of sheet material.

The head 72 of Fig. 3 A and Fig. 3 B have the surface being approximately vertically oriented.This surface provides following the utility model has the advantages that sheet material 20 a part can be vertically oriented for cleaning sole, bottom wall etc..If desired, the rear portion 53 on head 72 can be by sponge, rubber Profile, the molding etc. that glue or other conformable materials with resilience were made or were lined with these materials to conform to sole.

Although feet 14 is shown as having pivot axis in the immediate vicinity of bottom plate 70, and is horizontal orientation, But technical staff will be recognized that the invention is not limited thereto.Bottom plate 70, which carries out the axis that joint motions are surrounded, can be parallel to longitudinal direction Center line is crooked relative to its skew, including relative to horizontal plane.For example, axis may be provided at the side 54 of bottom plate 54 On.Certainly, the side 54 of bottom plate 70 can be substantially coplanar with the side 54 of shell 50.Or the side 54 of bottom plate 70 can be in shell 50 Side 54 inside, or can on the outside, so that bottom plate 70 and shell 50 have mutually different width.

Feet 14 may also include the part of hinge, universal joint, ball-and-socket joint etc. or they pivotally to receive shank 12.Optionally and if sufficiently small, the feet 14 without pelmatozoa 12 can be used.

In another embodiment, clean solution can optionally be sprayed to floor or other target surfaces by device 10 On.This arrangement provides the benefit that user it can be seen that clean solution applies wherein, because it is blocked in sheet material 20 lower sections.Clean solution can be any one of aforesaid liquid solution, aqueous or other form.Sprayer can be pump system System, such as about commonly assigned US 8, described in 186,898, or be permanently/be removably attached to device 10 or one portion The gravity feed systems divided.Or using independent aerosol or triggering pump type sprayer, as known in the art.Spraying System can advantageously with the single use discarded after primary cleaning event sheet material 20 or reusable sheet material 20, Such as microfibre sheet material 20 is used together.If using sprayer, it would be advantageous that using dry absorbent sheet 20, Such as commonly assigned 6,101,661；Those of described in US 7,144,173 and 7,163,349.

In another embodiment, steam is optionally applied to floor by device 10.It can be by dry sheet material or pre- Wet sheet material applies steam, as disclosed in commonly assigned US 2013/0319463.

With reference to Fig. 4, antelabium 45 can be to be tapered to provide the top of the package bottom plate 70 for intercepting sheet material 20 for clast Part flow path and/or flow path towards dirt bin 58.In use, antelabium 45 can be separated with floor such as by away from Shown in the A it is predetermined with a distance to provide effective flow path, to provide effective flow path and provide guarantor for floor Shield.Similarly, the distal side edge 175 of bottom plate 70 can towards one section spaced rearward of axis of hired roughneck's dust removing bar 44 it is predetermined away from From as shown in distance C.If desired, sheet material 20 can wrap up edge 45 to be attached to it, to replace being attached to bottom plate 70.

Both antelabium 45 and the distal side edge 175 of bottom plate 70 can be substantially straight and be substantially parallel to each other. For substantially straight, refer to and the deviation beyond occurring in common manufacture does not occur, and is logical across the width of feet 14 Often less than 1mm.For substantially parallel, refer to and the deviation beyond occurring in common manufacture does not occur, and across feet 14 width is usually less than 2 degree.

With reference to Figure 1A, Fig. 2A, Fig. 3 A and Fig. 3 B and Fig. 4, clearance G can by the edge of the antelabium 45 of the first cleaning mode with Distal side edge 175 of the sheet material 20 for the bottom plate 70 of the second cleaning mode is kept to separate.Clearance G is in use in bottom plate 70 It is measured in the case where position.For position in use, refer to device 10 make shell 50 and bottom plate 70 remain it is static, Fixed relationship, that used position during corresponding to daily cleaning task.This usual position generates the minimum of clearance G and surveys Magnitude.

Then measurement clearance G in generally forwards-backward directions and perpendicular to the width of feet 14 and be parallel to beat The minimum clearance G of 44 generation device 10 of hand dust removing bar.Clearance G is measured without making sheet material 20 be located at appropriate position using only device 10 It sets.

If clearance G be not it is constant, clearance G is surveyed by the part with maximum width of distal side edge 175 Amount, which is constant and continuous.If there is no the constant part of distal side edge 175, for example, it is sinusoidal Or zigzag distal side edge 175, then being measured at point therebetween.If clearance G extends up to the width of feet 14 At least 25%, 50% or 75%, or in the direction of the width up at least 10cm, 15cm or 20cm, then clearance G is considered to provide clearly Clean period picks up the effective double-mode of clast and considers the limitation for meeting claims which follow.Clearance G can be used such as The hand-held depth gauge of series 500 or vernier caliper for being commonly available from Mitutoya America of Aurora, Il measure.

If the distal side edge 175 of bottom plate 70 only intercepts the antelabium 45 of shell 50, gap is defined as 0.If Between distal side edge 175 and antelabium 45 there are open spaces, then clearance G is defined and is positive.If in distal side edge 175 Between antelabium 45 there are Chong Die, then clearance G is defined and is negative.

With reference to Fig. 5, it is seen that clearance G directly affects the performance of cleaning device 10.Performance in Fig. 5 is using by the present assignee It sells for the commercially available of controlSweep&Trap^TMDevice 10 and use are for this test purpose quilt This of modification is identicalSweep&Trap^TMDevice 10 measures.Commercially available 10 quilt of control device It is the clearance G of+5.6mm to the interval+6.6mm that being interpreted as, which has range,.Test device 10 has range between -9mm to+15mm Gap G.Carry out the variable outside quota using single device 10.

All devices 10 are tested on the tile floor with mortar using 0.5 gram/m of big particulate debris.Every time Test uses newClear away sheet material 20.

Test 13 different clearance G sizes.It is tested for amounting to 39 differences, the test for n=3, to each Clearance G is tested.But and not all clearance G size show equally good.

With reference to Fig. 5, it is seen that the clearance G for being -1mm to+1mm for range, performance are unexpectedly greater than total clast and pick up 90%, for range be -3mm to+3mm clearance G, performance be greater than total clast pick up 85%, and for range be - The clearance G of 7mm to+5mm, performance are greater than 80% that total clast picks up.It is positive or negative for bigger clearance G size In meaning, performance is quickly reduced.These data are shown in table 1 below.

Table 1

Therefore, it is the weight of about -1mm, -3mm, -5mm, -7mm or -9mm that feet 14 according to the present invention, which can have range, It is stacked to the clearance G of about+1mm ,+3mm or the interval+5mm, including any value therebetween, and uses any reference of the range Endpoint.If be measured to enough accuracy, feet 14 according to the present invention can have range be about -1.0mm, - The overlapping of 3.0mm, -5.0mm, -7.0mm or -9.0mm to about+1.0mm ,+3.0mm or the clearance G at the interval+5.0mm, including its Between any value, and using the range any reference endpoint.Or under degenerate case, clearance G can be 0mm, wherein Distal side edge 175 and antelabium 45 only contact with each other.

Dimension disclosed herein and value are not understood as being strictly limited to cited exact numerical.On the contrary, unless in addition It indicates, otherwise each such dimension is intended to indicate that described value and the range functionally equivalent around the value.For example, being disclosed " about 40mm " is intended to indicate that for the size of " 40mm ".It should be appreciated that each greatest measure limit given in entire this specification Degree includes each lower numerical limitation, as such lower numerical limitation has been expressly written herein.Entire Each the minimum value limit given in specification includes each higher numerical limitation, such as such higher numerical limitation It is expressly written herein the same.Given each numberical range includes being contained in such wider number throughout the specification The each narrower numberical range being worth in range, as such narrower numberical range is expressly written herein.

Unless otherwise specified, all numbers, ratio and percentage in this paper specification, embodiment and claims Than being by weight, and all numerical limitations with algnment accuracy provided by this field come using.

Unless otherwise specified, article "one", "an" and " described " refer to " one or more ".In background technique It is incorporated herein by reference all in relevant portion with all documents for being quoted in specific embodiment；For any document Reference be not construed as recognizing that it is relative to the prior art of the invention.When any meaning of term in the present invention or determine When adopted any meaning or definition contradiction with term in document incorporated by reference, it should obey to assign in the present invention and be somebody's turn to do The meaning or definition of term.

Although a specific embodiment of the invention has had been illustrated and described, for those skilled in the art Speech is it is readily apparent that can make various other change and modification in the case where not departing from spirit and scope of the present invention.Therefore, It is intended to all such change and modification for covering in appended claims and belonging in the scope of the invention.

Claims (17)

1. one kind be used for cleaning device (10) feet (14), the feet (14) have longitudinal centre line, front (52), With two opposite sides at the longitudinally opposed rear portion in the front (53) and the connection front (52) and the rear portion (53) Portion (54), the feet (14) can move on the surface and include:

Shell (50), the shell for will hired roughneck's dust removing bar (44) of axial-rotation be maintained in part of it and have The antelabium (45) at the edge of described a part is limited,

Bottom plate (70), the bottom plate can receive disposable cleaning sheet material (20) removedly on it to use the sheet material (20) Lai Qingjie target surface,

The bottom plate (70) has the distal side edge (175) close to the antelabium (45), the antelabium (45) and the far lateral side Edge (175) limits the gap (G) between them, it is characterised in that the range of the gap (G) is -7mm to+5mm.

2. feet (14) according to claim 1, it is characterised in that the range of the gap (G) is -3mm to+3mm.

3. feet (14) according to claim 2, it is characterised in that the range of the gap (G) is -1mm to+1mm.

4. the feet (14) according to any one of preceding claims 1-3, wherein the bottom plate (70) can be around pivot Axis is mobile, and the bottom plate (70) can be for repairing the open position of the cleaning sheet (20) and for clean up task It is moved between closed position.

5. the feet (14) according to any one of preceding claims 1-3 further includes being arranged in hired roughneck's dust removing bar (44) wheel (40) on axis, hired roughneck's dust removing bar can be rotated around the axis.

6. feet (14) according to claim 5, wherein the wheel (40) includes single wheel (40).

7. the feet (14) according to any one of preceding claims 1-3, wherein the antelabium (45) is tapered.

8. the feet (14) according to any one of preceding claims 1-3, wherein the antelabium (45) quilt in use It is arranged to the target surface at a distance of 2mm to 4mm.

9. the feet (14) according to any one of preceding claims 1-3, wherein the feet (14) is configured to Receive the shank (12) for being attached pivotally to the feet.

10. a kind of device (10) for cleaning floor, described device (10) has front (52), longitudinally opposed with the front Rear portion (53) and connect the front (52) and the rear portion (53) two opposite sides (54), described device (10) include:

It extends shank (12),

Feet (14), the feet (14) are pivotably connected to the shank (12), and the feet (14) can be It is moved on floor, the feet (14) has shell (50) and the bottom for removedly receiving disposably sheet (20) Plate (70), the bottom plate (70) and the shell (50) can be bonded together to joint motions,

The bottom plate (70) includes head (72) and the panel (73) for being bonded to the head, wherein the head (72) are from described Panel (73) is prominent, and each of the head (72) and the panel (73) are relative to the shell (50) at synchronized relation Ground carries out joint motions,

The shell (50) wherein has the hired roughneck's dust removing bar (44) for capableing of axial-rotation, hired roughneck's dust removing bar (44) and cloth The antelabium (45) set on the housing cooperates to promote clast towards dirt bin (58),

The panel (73) has distal side edge (175), and the distal side edge is close to the antelabium (45) and passes through gap (G) It is separated with the antelabium, it is characterised in that the range of the gap (G) is -7mm to+5mm.

11. device (10) according to claim 10, it is characterised in that the range of the gap (G) is -3mm to+3mm.

12. device according to claim 11 (10), it is characterised in that the range of the gap (G) is -1mm to+1mm.

13. device (10) according to claim 12, wherein the gap (G) is 0mm.

14. device described in any one of 0-13 (10) according to claim 1, wherein hired roughneck's dust removing bar (44) is by taking turns (40) Driving, the wheel roll on the target surface during cleaning.

15. device described in any one of 0-13 (10) according to claim 1, wherein the antelabium (45) and the distal side edge (175) it is substantially straight and is substantially parallel to each other.

16. device described in any one of 0-13 (10) according to claim 1, wherein the antelabium (45) and the distal side edge (175) the two is substantially parallel to each other with hired roughneck's dust removing bar (44).

17. device described in any one of 0-13 (10) according to claim 1, wherein the head (72) and the panel (73) Each of on it have at least one clamper (74) a part of cleaning sheet (20) to be removably received in In the clamper (74).