US2621350A - Combination floor washing, sanding, oiling, and polishing machine - Google Patents
Combination floor washing, sanding, oiling, and polishing machine Download PDFInfo
- Publication number
- US2621350A US2621350A US1396A US139648A US2621350A US 2621350 A US2621350 A US 2621350A US 1396 A US1396 A US 1396A US 139648 A US139648 A US 139648A US 2621350 A US2621350 A US 2621350A
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- machine
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- oiling
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- 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
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4088—Supply pumps; Spraying devices; Supply conduits
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- 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
- A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
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- 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
- A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
- A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
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- 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
- A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
- A47L11/4025—Means for emptying
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- 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
- A47L11/4041—Roll shaped surface treating tools
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- 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
- A47L11/4047—Wound-up or endless cleaning belts
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- 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
- A47L11/4055—Movement of the tools or the like perpendicular to the cleaning surface for lifting the tools to a non-working position
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- 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
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- 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
- A47L11/4066—Propulsion of the whole machine
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- 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
- A47L11/4072—Arrangement of castors or wheels
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- 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
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
Definitions
- This invention relates to an improved construction of machine for use in washing, sanding, oiling or Waxing and polishing floors and is especially intended and adapted for use in large buildings having large uninterrupted floor spaces for affording a means whereby said floor spaces may be readily maintained in a clean, sanitary and well groomed manner.
- Another object of the invention is to provide a machine as described and wherein the endless iioor engaging element will function when in contact with a floor surface for propelling the machine as the oor treating operation is executed thereby.
- Another object of the invention is to provide a machine of the aforedescribed character having means for discharging a treating liquid to the floor surface in advance of the endless floor engaging element.
- Another object of the invention is to provide a machine having a driven brush disposed in advance of the liquid discharge thereof for brushing the floor surface ahead of the machine to remove loose dirt, trash and other debris therefrom.
- Still a further object of the invention is to provide a machine having novel means for extracting the dirty cleaning liquids from the endless floor engaging element and for discharging the extract liquid into a receptacle for the purpose carried by the machine.
- Still another object of the invention is to provide a machine of extremely simple construction and which may be readily converted for use either as a floor washer, sander, oiler orWaXer, or polisher by the simple expedient of the substitution of one endless floor surface engaging element for another and the substitution of one liquid to be discharged from the machine for another.
- Still a further object of the invention is to provide a machine of the aforedescribed character wherein the movement thereof can be f readily controlled with a simple manipulation of a handle engaged by the machine operator and which is provided with a surface yengaging wheel supported dolly constructed andVV arranged to facilitatel and simplify the steering of the machine.
- Figure l is a side elevational view showing the assembled machine in an inoperative position
- Figure 2 is a top plan view thereof partly broken away and on an enlarged scale
- Figure 3 is a longitudinal sectional view of the machine taken substantially along a plane as indicated by the line 3-3 of Figure 2;
- Figure 4 is a transverse vertical sectional view of the machine taken substantially along a plane as indicated by the line 4 6 of Figure 3;
- Figure 5 is an enlarged fragmentary transverse vertical sectional view taken substantially along a plane as indicated by the line 5 5 of Figure 1;
- Figure 6 is a transverse vertical sectional view taken substantially along a plane as indicated by the line 6-6 of Figure 1;
- Figure 7 is a longitudinal vertical sectional view taken substantially along a plane as indicated by the line 1--1 of Figure 2 and on an enlarged scale;
- Figure 8 is an enlarged fragmentary transverse sectional view of a portion of the endless licor engaging element
- Figure 9 is a fragmentary transverse sectiona View, partly in elevation of a modification of the invention.
- Figure 10 is a fragmentary longitudinal vertical sectional view taken substantially along a plane as indicated by the line Illl0 of Figure 2;
- Figure 11 is a fragmentary top plan view of a portion of the container, shown removed from the machine frame;
- Figure 12 is a fragmentary horizontal sectional view on an enlarged scale and taken substantially along a plane as indicated by the line
- Figure 13 is a fragmentary plan view of the outer end of the machine handle
- Figure 14 is a diagrammatic view of the electric circuit of the machine.
- the combination floor washing, sanding, oiling or Waxing and polishing machine constituting the invention, is designated generally l5 and includes a skeleton machine frame, designated generally i6 composed of corresponding sides each including top and bottom rails I1 and I8, respectively, perpendicular bars or posts I9, 20 and 2l and transverse connecting bars 22 and 23 which extend between the complementary posts IS and 2 I, respectively, and by means of which the correspending side portions of the frame I5 are connected.
- a skeleton machine frame designated generally i6 composed of corresponding sides each including top and bottom rails I1 and I8, respectively, perpendicular bars or posts I9, 20 and 2l and transverse connecting bars 22 and 23 which extend between the complementary posts IS and 2 I, respectively, and by means of which the correspending side portions of the frame I5 are connected.
- a dolly, designated generally 24 is disposed rearwardly of the machine frame I5 and is provided with side beams or bars which extend along the outer sides of the two side sections of the frame I6. Said side beams 25 are detachably secured to the frame I6 by fastenings 25 which are engaged with the rear and front frame posts I9 and 2l for demountaoly supporting the dolly behind said frame IB.
- the dolly 24 is provided with a platform 21 in a portion thereof disposed behind the frame, and the rear cross member 28 of said dolly is provided with pairs of rearwardly projecting apertured ears 29 for receiving the apertured terminals of the legs 30 of a substantially U-shaped handle 3l and which are connected pivotally to the ears 29 by fastenings 32;
- a post k33 is pivotally connected intermediate of its ends to the outer side of each beam 25 adjacent the forward end thereof and said posts 33 are provided at their lower ends with surface engaging wheels 34 which are suitably journaled thereon.
- the beams 25, adjacent their rear ends and rearwardly of the frame i6 each pivotally support a post 35 which is pivotally connected thereto intermediate of the ends thereof.
- Each of the posts 35 is provided with a lower, outwardly offset portion having a swivel joint 35 and on the lower end of which is journaled a surface engaging caster wheel 31.
- the upper ends of the posts 33 and 35 which are disposed at correspending sides of the machine I5 are connected by a link 58 which links are pivotally connected to said posts.
- the upper portions of the rear posts 35 are connected by a cross rod 39 which is disposed over the rear portion of the dolly 24 and to which is connected the forward end of a link which extends rearwardly therefrom and is pivotally connected at its rear end to a cross brace 4I which extends between the legs 38 of the handle 3I, as best seen in Figure 2.
- the side beams 25 are provided with outwardly projecting pins or stops 42 to limit the swinging movement of the posts 33 and 35 in clockwise directions and to prevent their movement past perpendicular positions.
- the side portions of the frame I5 at the corners thereof are provided with slotted rear extensions 43 and slotted forward extensions 44 and 55.
- the complementary upper rear extensions 43 provide means for slidably receiving bearing elements 44o, as best seen in Figure 12, in which are journaled portions of a shaft 45a to which is secured a roller or pulley 46 which is located between said upper rear slotted extensions 43 and which is provided adjacent each end thereof with a V-shaped annular groove 41 and a beveled flanged end 48.
- a driven pulley 45 is keyed to one end of the shaft 45a outwardly of one of said bearings 44a and externally of the frame I5 and has an endless belt 55 trained thereover and which is trained over the pulley of a drive shaft 5I of a motor 52 which is secured to the platform 21, as best seen in Figure 2 and which is preferably an electric motor.
- the lower slotted extensions 43 and the extensions 44 and extensions 45 each provide means for journaling a roller or pulley 53, corresponding .to the pulley 46 and having a. shaft 54 fixed thereto and projecting from the ends thereof and which is journaled in bearing;l blocks which are slidably disposed in the slotted extensions 43, 44 or 45.
- An endless belt 55 is trained over the pulley or roller 45 and the three pulleys 53 at each end of said pulleys and said belts 55 are of V-shaped cross section to engage in the corresponding grooves 41 thereof.
- the upper frame portions I1 are provided intermediate of their ends with upstanding slotted standards 51 each of which is adapted to slidably engage a bearing block 53.
- a pulley 59 corresponding to the pulleys or rollers 53 is disposed between the standards 51 and is fixed to a shaft 55 the ends of which are journaled in said bearing blocks 58 and said pulley 59 is likewise provided with grooves 51 over which lthe two V-shaped belts 56 are trained.
- the bottom side rails i5 are provided with downwardly opening slots 5l for bearing blocks 62 which journal a shaft 63 which is keyed to a pulley or roller 54, which likewise corresponds to the pulleys 5S and under which the belts 56 are trained and which pulley B4 is disposed at substantially the same level as the bottom pulleys 53,
- An endless surface engaging member or belt 55 is trained over the pulleys 55, 53, 5d and 53 and is disposed on the outer side of said pulleys and is of a width, as illustrated in Figure 4, to extend to said side flanges 48 and to overlie the belts 5S.
- the belt 55 in the embodiment for application of the invention as illustrated is provided with cleaner pads or screens 65 which are detachably connected to the exterior side thereof and each of which screens 56 extend transversely of the belt 55 and is provided at its ends with hooks 51 which engage around the side edges of thel belt 65, as best seen in Figure 8 for detachably connecting .the screens 55 thereto.
- the screens 65 are each of a length substantially equal to the width of the belt 55 and are preferably of a width of approximately six or seven inches.
- the belt 55 can be applied to or removed from the frame I6 when the dolly 2li is demounted and other endless cleaning, sanding, polishing, oiling or waxing belts or endless elements may be readily substituted for the belt 65.
- a tank, designated generally 68 is adapted to be mounted in the machine frame I6 and with the ends thereof disposed between the cross members 22 and 23 which retain the tank 68 against longitudinal displacement relatively to the frame I6.
- the tank 53 is provided with a closed forward compartment or chamber 59 which, when used with the cleaning belt 55 is adapted to contain water and which may be lled through a normally closed filling neck 15 which extends outwardly and upwardly from one side thereof.
- the tank 58 is also provided with a rear chamber 1I which is separated from the chamber 69 by a. common partition or wall 12 and which is provided with an open top 13, for a purpose which will hereinafter become apparent.
- the chambers 69 and 1I are provided with drain outlets on corresponding sides thereof and adjacent the tank bottom 14 and which are normally closed by removable closures or plugs 15 which may extend through one of the bottom frame members I8 to assist in securing the tank 58 in the frame I6 and as seen in Figure l, the filling neck 15, which is likewise removable, preferably engages under one of the upper frame members I1 to also function to 'retain the tank in position in said frame.
- the tank 88 is provided with outwardly projecting side flanges a disposed substantially at the level of the top wall 18a of the chamber 89 and which rest upon the upper edges of the frame members l1 for supporting the tank 68 within said frame l5.
- the tank 68 is also provided with upstanding side flanges 1S forming upper extensions of the side walls of the tank 68 and between which the upper flight of the belt 65 is disposed, as clearly illustrated in Figure 5.
- the tank bottom 84 is provided with a V-shaped arch portion 11 the upper part of which merges with the lower end of the partition 12 and which is provided to accommodate the bottom intermediate roller 84.
- the side walls of the chamber 1l are recessed to accommodate the shaft 68, as clearly illustrated in Figure 4. Accordingly, it will be readily apparent that the roller or pulley 59 is partially disposed within the tank chamber 1l and has a portion thereof extending upwardly therefrom through the opening 18.
- a rotary sweeper or brush 18 is disposed forwardly of the bottom flight of the endless element or belt 65 and is fixed to a shaft 19 which is journaled in bearing blocks 89 which are slidably disposed in the forward slotted extensions d5 which are elongated for this purpose.
- is associated with each bearing 80 for clamping it relatively to its extension e5 for adjustably positioning the brush 18 forwardly of the front flight of the belt 55.
- the lowermost part of the brush 1S is disposed at substantially the same level as the pads or screens 85 or the bottom flight of the belt 65 and said brush 18 is adjustably positioned by the clamping means 8l so that a portion of its periphery will be sufciently in contact with the belt 65 or pads 66 to be driven by its engagement therewith and revolved in the opposite direction to that in which the belt is moving and for a purpose hereinafter to become apparent.
- a conduit 82 extends from a side of the tank chamber 69, near the bottom thereof and has a free end portion extending substantially through the space between and beneath the belt 65 and brush 18 and said last mentioned portion of the pipe or conduit 82, as best seen in Figure 10, is provided with longitudinally spaced apertures 83 forming a manifold discharge and which are directed downwardly and forwardly with respect to the machine I5.
- the bearings 89a associated with the upper rear roller or pulley d5, as best seen in Figure 12, are each provided with a rearwardly projecting eye-8s (Fig. l2) to which an end of a flexible member 85 is anchored.
- the nexible members 85 extend rearwardly from said eyes 8f3 and are connected at their rear ends to a second cross bar 86 of the handle 3l and which extends between the legs 38 thereof at a, point outwardly of the cross bar 4I.
- the forwardly disposed edges of the slotted standards 51 are provided with integral extensions 81 which rise therefrom and to the upper end of each of which a bell crank 88 is pivotally mounted at its apex.
- the two bell cranks 88 have corresponding legs which normally extend upwardly therefrom and which are connected to one another adjacent their upper ends by a rod 39 which extends therebetween and to the intermediate portion of which one end of a flexible member 98 is anchored.
- the flexible member 90 extends rearwardly from the rod 89 and is anchored at its opposite end to the cross rod 86.
- the other, normally horizontally disposed and rearwardly extending legs of the bell cranks 88 are each provided with an elongated, longitudinally disposed slot 9
- Each hanger 92 supports a bearing block 93 which is slidably disposed in the slot of the standard 51 above which the bell crank 88, by which said bearing block is supported is mounted.
- the bearing blocks 93 are provided with grooves 94 in the side edges thereof, as seen in dotted lines in Figure '7, for slidably engaging the inner edges of the legs of the standards 51 for retaining said bearing blocks 93 against lateral displacement relatively thereto.
- the bearing blocks 93 journal end portions of a shaft 95 on which is mounted a wringer roller 95 and which is disposed directly above the roller 59 and preferably formed of rubber or other similar material. As clearly illustrated in Figure 4, the endless belt 65 and the screens or pads 66 pass between the rollers 59 and 96.
- the side walls of the portion of the tank 53 defining the chamber 1I are provided with upwardly opening vertical slots 91 which register with the slots of the standards 51 for accommodating the bearings 58 and the ends of the shaft 88.
- a conventional type of snap switch 98 is mounted on the handle 3l adjacent its outer end and is connected to electrical conductors 99 and
- the conductors 99 and 188 are connected to a lsuitable source of electric current lill as illustrated in the diagrammatic circuit of Figure 14 and the conductor 89 has spaced portions thereof connected to the posts or terminals of the electric motor 52.
- the conductors 99 and 188 will ordinarily be connected to a conventional electric plug adapted to be plugged into a conventional outlet socket of a domestic source of electric current but any other desired electrical source could be utilized.
- one side wall of the tank 83 may be recessed to provide a cavity 592 which extends into the chamber 89 for containing an electric resistance or heating element
- 83 which may, if desired, likewise be connected to the conductor 59 for heating the contents of the chamber 59 when the electric circuit of Figure 14 is energized or a separate connection to the electric source and separate switch may be utilized for the resistance element 183 or said element may be omitted together with the cavity 192.
- FIG. 9 A slightly modified form of the dolly is illustrated in Figure 9 and wherein the side beams 25ct are apertured as seen at lila to accommodate a transverse portion E85 of a wheel post 33a which is journaled therein and which likewise includes a lower depending portion 186 which terminates in an outturned stub-axial portieri
- the switch 5t When it is desired to utilize the machine i for washing the floor surface it, the switch 5t is manually moved to a circuit closing position for energizing theY electric motor $2 which will drive the shaft da and the drum or pulley [l through the belt drive et.
- the handle 3l is pulled downwardly and rearwardly or counterclockwise as seen in Figure l to exert a pull on the flexible members 85 for moving the shaft a and drum l5 rearwardly with respect to the machine frame it for tensioning the two drive belts 56 and the belt @5 on the corner rollers or drums 45 and 53 so that the .belts ES and 65 will be driven in a clockwise direction, as seen in Figures l and 3, or so that the upper flights thereof will be moving from left to right and the lower flights from right to left.
- the chamber te thereof will have been filled with water or other deterging liquid through the filling neck i0 and which liquid will be discharged through the conduit 82 and from the ports 83 thereof onto the floor surface lil-3 directly in front of the bottom night of the endless unit 65, 65 and so that said bottom flight may utilize this water or deterging liquid for washing the iioor.
- the rotary .brush 'i3 will be adjusted so that it will be driven by its engagement with the endless unit 65, 65 and in the opposite direction thereto or counterclockwise, as seen in Figure 1, for brushing any loose dirt, trash or other debris from in front of the machine i5.
- the endless unit 65, 66 is adapted to he so constructed that it will pick up most of the water or deterging liquid from the floor surface leaving it in a well mopped or washed condition.
- the counterclockwise pull on the handle member El previously described, will also result in a pull being exerted thereby on the flexible member Sii which will cause the two bell cranks 88 to rock counterclockwise, as seen in Figure l, for forcing the bearing blocks S3 downwardly in the slotted standards 5l to thereby force the shaft 95 and roller 95 downwardly toward the roller 5S so that the endless washing unit 55, 6E in passing .between the rollers 53 and 9%, will be wrung or squeezed for extracting the dirty water or deterging liquid therefrom.
- the dirty water or deterging liquid thus extracted by the wringer Accordingly, it will be l rollers 59( and S5 will be discharged by gravity downwardly through the'open top i3 into the chamber 'II of the tank 68.
- the upstanding side walls 'lli of the tank 68 will guide the endless unit E5, 65 and will also prevent any of the deterging liquid therefrom being discharged over the sides of the machine i5.
- the top wall 76a will provide a support for the belt 65 during its movement across the top part of the machine and from rear to front thereof while the tank bottom 'i4 will provide a support for the endless washing belt l5 duri-ng its movement from front to rear and along the bottom of the machine and, as seen in Figure Il, said bottom ill is provided with stepped or recessed guide edge portions ICS for accommodating the endless driving belts 55.
- the intermediate, bottom idler pulley Ed will cooperate with the front and rear pulleys 53 and the tank bottom 'isi to maintain the bottom flight of the ysurface engaging unit G5, Et in substantially a horizontal plane and so that all portions thereof lwill be uniformly in engagement with the floor surface iil.
- a machine of the character described comprising a machine frame, a dolly connected to said machine frame and provided with floor surface engaging wheels forming a wheeled support for the machine, a plurality of pulleys journaled in the machine frame, an endless floor surface engaging element trained over said pulleys and having a bottom stretch disposed below the machine i'rame and longitudinally thereof, driving means for one of said pulleys for driving said endless iioor engaging element, a handle swingably connected to one end of said dolly, said dolly including posts each pivoted to a part of the dolly intermediate of its ends for Vertical swinging movement, one cf the surface engaging wheels being journaled on a lower end of each post, links pivotally connected to the opposite upper ends of the posts to cause the posts to swing in unison in vertical planes, and means connecting said handle and links whereby when the handle is swung in one direction said wheels will be moved to elevated positions above the level of the bottom stretch of the.
- endless surface engaging element for supporting the machine on the said bottom stretch, said endless surface engaging element being adapted to propel the machine when driven with the bottom stretch in contact with a oor surface above which the wheels are disposed and the weight of the machine on the bottom stretch functioning to treat the surface in contact therewith as the machine is propelled thereover.
- a machine as in claim 1 and a rotary sweeper brush demountably and adjustably supported by the machine frame and adapted to engage said surface and disposed forwardly of and in contact with said endless surface engaging element to be driven thereby in the opposite direction to said endless element for sweeping the surface ahead of the endless element.
- a machine as in claim 1 a tank demountably supported by said machine frame and around which said endless surface engaging element is disposed, said tank having a closed chamber adapted to contain a oor washing' liquid, said tank having a second chamber provided with an open top, and wringer means supported by the machine frame for engagement with the upper stretch of the endless surface engaging element for wringing said element for extracting the dirty washing liquid therefrom, said wringer means being disposed above and within the open top of said last mentioned chamber whereby the liquid extracted from said endless element will be discharged into said last mentioned tank chamber.
- a machine as in claim 1 and means connecting one of said pulleys to said handle, said last mentioned pulley being slidably supported in the machine frame and displaceable therein for tensioning said endless surface engaging element by movement of the handle in a direction for elevating the dolly wheels.
Landscapes
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Description
O. L. BYE
Dec. 16, 1952 2,621,350 COMBINATION FLOOR WASHING, sANDING, OILING, AND
POLISHING MACHINE Filed Jan. 9. 1948 5 Sheets-Sheet l INVENTOR JZZfy.
Dec. 16, 1952 o. l.. BYE 2,621,350 COMBINATION FLOOR WASHING, SANOINO, OILING, AND
POLISHING MACHINE Filed Jan. 9. 1948 5 Sheets-Sheet 2 N N L I 1. N I IQ N N m n N gli: l
' S Y; N l\ I N l ik) PU 1 N I m Il 'N h g N G u N I R 'n h L O "X l- 3 INVENTOR. BYN @L49 y@ Dec. 16, 1952 o. L. BYE:
COMBINATION FLOOR WASHING, sANOINO, OILING, ANO
POLISHING MACHINE' 5 Sheets-Sheet 5 Filed Jan. 9. 1948 Dec. 16, 1952 o. L. BYE 2,621,350
COMBINATION FLOOR WASHING, SANDING, OILING, AND POLISHING MACHINE Filed Jan. 9. 1948 5 Sheets-Sheet 4 1N V EN TOR.
l 'g MJ?.
o. l.. BYE 2,621,350
G, SANDING, OILING, AND
Dec. 16, 1952 COMBINATION FLOOR WASHIN POLISHING MACHINE Filed Jan. 9. 1948 5 Sheets-Sheet 5 Patented Dec. 16, 1952.
UNITED STATES PATENT OFFICE COMBINATION FLOOR WASHING, SANDING, OILING, AND POLISHING MACHINE Ole L. Bye, Glendale, Calif.
Application January 9, 1948, Serial No. 1,396
Claims. 1
This invention relates to an improved construction of machine for use in washing, sanding, oiling or Waxing and polishing floors and is especially intended and adapted for use in large buildings having large uninterrupted floor spaces for affording a means whereby said floor spaces may be readily maintained in a clean, sanitary and well groomed manner.
More particularly, it is an object of the present invention to provide a machine for the aforedescribed purpose having adjustably disposed supporting wheels and a driven endless floor treating element displaceable by movement of said wheels either into or out of engagement with a floor surface.
Another object of the invention is to provide a machine as described and wherein the endless iioor engaging element will function when in contact with a floor surface for propelling the machine as the oor treating operation is executed thereby.
Another object of the invention is to provide a machine of the aforedescribed character having means for discharging a treating liquid to the floor surface in advance of the endless floor engaging element.
Another object of the invention is to provide a machine having a driven brush disposed in advance of the liquid discharge thereof for brushing the floor surface ahead of the machine to remove loose dirt, trash and other debris therefrom.
Still a further object of the invention is to provide a machine having novel means for extracting the dirty cleaning liquids from the endless floor engaging element and for discharging the extract liquid into a receptacle for the purpose carried by the machine.
Still another object of the invention is to provide a machine of extremely simple construction and which may be readily converted for use either as a floor washer, sander, oiler orWaXer, or polisher by the simple expedient of the substitution of one endless floor surface engaging element for another and the substitution of one liquid to be discharged from the machine for another.
Still a further object of the invention is to provide a machine of the aforedescribed character wherein the movement thereof can be f readily controlled with a simple manipulation of a handle engaged by the machine operator and which is provided with a surface yengaging wheel supported dolly constructed andVV arranged to facilitatel and simplify the steering of the machine.
Numerous other objects and advantages of the invention Will hereinafter become more fully apparent from the following description ofthe drawings, illustrating a presently preferred embodiment thereof, and wherein:
Figure l is a side elevational view showing the assembled machine in an inoperative position;
Figure 2 is a top plan view thereof partly broken away and on an enlarged scale;
Figure 3 is a longitudinal sectional view of the machine taken substantially along a plane as indicated by the line 3-3 of Figure 2;
Figure 4 is a transverse vertical sectional view of the machine taken substantially along a plane as indicated by the line 4 6 of Figure 3;
Figure 5 is an enlarged fragmentary transverse vertical sectional view taken substantially along a plane as indicated by the line 5 5 of Figure 1;
Figure 6 is a transverse vertical sectional view taken substantially along a plane as indicated by the line 6-6 of Figure 1;
Figure 7 is a longitudinal vertical sectional view taken substantially along a plane as indicated by the line 1--1 of Figure 2 and on an enlarged scale;
Figure 8 is an enlarged fragmentary transverse sectional view of a portion of the endless licor engaging element; e
Figure 9 is a fragmentary transverse sectiona View, partly in elevation of a modification of the invention;
Figure 10 is a fragmentary longitudinal vertical sectional view taken substantially along a plane as indicated by the line Illl0 of Figure 2;
Figure 11 is a fragmentary top plan view of a portion of the container, shown removed from the machine frame;
Figure 12 is a fragmentary horizontal sectional view on an enlarged scale and taken substantially along a plane as indicated by the line |2-l2 of Figure 1;
Figure 13 is a fragmentary plan view of the outer end of the machine handle, and
Figure 14 is a diagrammatic view of the electric circuit of the machine.
Referring more specifically to the drawings, the combination floor washing, sanding, oiling or Waxing and polishing machine, constituting the invention, is designated generally l5 and includes a skeleton machine frame, designated generally i6 composed of corresponding sides each including top and bottom rails I1 and I8, respectively, perpendicular bars or posts I9, 20 and 2l and transverse connecting bars 22 and 23 which extend between the complementary posts IS and 2 I, respectively, and by means of which the correspending side portions of the frame I5 are connected.
A dolly, designated generally 24 is disposed rearwardly of the machine frame I5 and is provided with side beams or bars which extend along the outer sides of the two side sections of the frame I6. Said side beams 25 are detachably secured to the frame I6 by fastenings 25 which are engaged with the rear and front frame posts I9 and 2l for demountaoly supporting the dolly behind said frame IB. As best seen in Figure 2, the dolly 24 is provided with a platform 21 in a portion thereof disposed behind the frame, and the rear cross member 28 of said dolly is provided with pairs of rearwardly projecting apertured ears 29 for receiving the apertured terminals of the legs 30 of a substantially U-shaped handle 3l and which are connected pivotally to the ears 29 by fastenings 32;
A post k33 is pivotally connected intermediate of its ends to the outer side of each beam 25 adjacent the forward end thereof and said posts 33 are provided at their lower ends with surface engaging wheels 34 which are suitably journaled thereon. The beams 25, adjacent their rear ends and rearwardly of the frame i6 each pivotally support a post 35 which is pivotally connected thereto intermediate of the ends thereof. Each of the posts 35 is provided with a lower, outwardly offset portion having a swivel joint 35 and on the lower end of which is journaled a surface engaging caster wheel 31. The upper ends of the posts 33 and 35 which are disposed at correspending sides of the machine I5 are connected by a link 58 which links are pivotally connected to said posts. The upper portions of the rear posts 35 are connected by a cross rod 39 which is disposed over the rear portion of the dolly 24 and to which is connected the forward end of a link which extends rearwardly therefrom and is pivotally connected at its rear end to a cross brace 4I which extends between the legs 38 of the handle 3I, as best seen in Figure 2. As seen in Figure 1, the side beams 25 are provided with outwardly projecting pins or stops 42 to limit the swinging movement of the posts 33 and 35 in clockwise directions and to prevent their movement past perpendicular positions.
As seen in Figure 1, the side portions of the frame I5 at the corners thereof are provided with slotted rear extensions 43 and slotted forward extensions 44 and 55. The complementary upper rear extensions 43 provide means for slidably receiving bearing elements 44o, as best seen in Figure 12, in which are journaled portions of a shaft 45a to which is secured a roller or pulley 46 which is located between said upper rear slotted extensions 43 and which is provided adjacent each end thereof with a V-shaped annular groove 41 and a beveled flanged end 48. A driven pulley 45 is keyed to one end of the shaft 45a outwardly of one of said bearings 44a and externally of the frame I5 and has an endless belt 55 trained thereover and which is trained over the pulley of a drive shaft 5I of a motor 52 which is secured to the platform 21, as best seen in Figure 2 and which is preferably an electric motor.
'The lower slotted extensions 43 and the extensions 44 and extensions 45 each provide means for journaling a roller or pulley 53, corresponding .to the pulley 46 and having a. shaft 54 fixed thereto and projecting from the ends thereof and which is journaled in bearing;l blocks which are slidably disposed in the slotted extensions 43, 44 or 45. An endless belt 55 is trained over the pulley or roller 45 and the three pulleys 53 at each end of said pulleys and said belts 55 are of V-shaped cross section to engage in the corresponding grooves 41 thereof. As seen in Figures l and e, the upper frame portions I1 are provided intermediate of their ends with upstanding slotted standards 51 each of which is adapted to slidably engage a bearing block 53. A pulley 59, corresponding to the pulleys or rollers 53 is disposed between the standards 51 and is fixed to a shaft 55 the ends of which are journaled in said bearing blocks 58 and said pulley 59 is likewise provided with grooves 51 over which lthe two V-shaped belts 56 are trained.
As seen in Figure 1, the bottom side rails i5 are provided with downwardly opening slots 5l for bearing blocks 62 which journal a shaft 63 which is keyed to a pulley or roller 54, which likewise corresponds to the pulleys 5S and under which the belts 56 are trained and which pulley B4 is disposed at substantially the same level as the bottom pulleys 53,
An endless surface engaging member or belt 55 is trained over the pulleys 55, 53, 5d and 53 and is disposed on the outer side of said pulleys and is of a width, as illustrated in Figure 4, to extend to said side flanges 48 and to overlie the belts 5S.
The belt 55, in the embodiment for application of the invention as illustrated is provided with cleaner pads or screens 65 which are detachably connected to the exterior side thereof and each of which screens 56 extend transversely of the belt 55 and is provided at its ends with hooks 51 which engage around the side edges of thel belt 65, as best seen in Figure 8 for detachably connecting .the screens 55 thereto. The screens 65 are each of a length substantially equal to the width of the belt 55 and are preferably of a width of approximately six or seven inches.
From the preceding description it will be readily apparent that the belt 55 can be applied to or removed from the frame I6 when the dolly 2li is demounted and other endless cleaning, sanding, polishing, oiling or waxing belts or endless elements may be readily substituted for the belt 65.
With the belt B5 and the pulley 59 and shaft 65 removed, a tank, designated generally 68 is adapted to be mounted in the machine frame I6 and with the ends thereof disposed between the cross members 22 and 23 which retain the tank 68 against longitudinal displacement relatively to the frame I6. The tank 53 is provided with a closed forward compartment or chamber 59 which, when used with the cleaning belt 55 is adapted to contain water and which may be lled through a normally closed filling neck 15 which extends outwardly and upwardly from one side thereof. The tank 58 is also provided with a rear chamber 1I which is separated from the chamber 69 by a. common partition or wall 12 and which is provided with an open top 13, for a purpose which will hereinafter become apparent. The chambers 69 and 1I are provided with drain outlets on corresponding sides thereof and adjacent the tank bottom 14 and which are normally closed by removable closures or plugs 15 which may extend through one of the bottom frame members I8 to assist in securing the tank 58 in the frame I6 and as seen in Figure l, the filling neck 15, which is likewise removable, preferably engages under one of the upper frame members I1 to also function to 'retain the tank in position in said frame. As best illustrated in Figure 5, the tank 88 is provided with outwardly projecting side flanges a disposed substantially at the level of the top wall 18a of the chamber 89 and which rest upon the upper edges of the frame members l1 for supporting the tank 68 within said frame l5. The tank 68 is also provided with upstanding side flanges 1S forming upper extensions of the side walls of the tank 68 and between which the upper flight of the belt 65 is disposed, as clearly illustrated in Figure 5. As seen in Figure 3, the tank bottom 84 is provided with a V-shaped arch portion 11 the upper part of which merges with the lower end of the partition 12 and which is provided to accommodate the bottom intermediate roller 84. The side walls of the chamber 1l are recessed to accommodate the shaft 68, as clearly illustrated in Figure 4. Accordingly, it will be readily apparent that the roller or pulley 59 is partially disposed within the tank chamber 1l and has a portion thereof extending upwardly therefrom through the opening 18.
As best illustrated in Figures l, 2, 6 and 10, a rotary sweeper or brush 18 is disposed forwardly of the bottom flight of the endless element or belt 65 and is fixed to a shaft 19 which is journaled in bearing blocks 89 which are slidably disposed in the forward slotted extensions d5 which are elongated for this purpose. A clamping member 8| is associated with each bearing 80 for clamping it relatively to its extension e5 for adjustably positioning the brush 18 forwardly of the front flight of the belt 55. The lowermost part of the brush 1S is disposed at substantially the same level as the pads or screens 85 or the bottom flight of the belt 65 and said brush 18 is adjustably positioned by the clamping means 8l so that a portion of its periphery will be sufciently in contact with the belt 65 or pads 66 to be driven by its engagement therewith and revolved in the opposite direction to that in which the belt is moving and for a purpose hereinafter to become apparent.
A conduit 82 extends from a side of the tank chamber 69, near the bottom thereof and has a free end portion extending substantially through the space between and beneath the belt 65 and brush 18 and said last mentioned portion of the pipe or conduit 82, as best seen in Figure 10, is provided with longitudinally spaced apertures 83 forming a manifold discharge and which are directed downwardly and forwardly with respect to the machine I5.
The bearings 89a, associated with the upper rear roller or pulley d5, as best seen in Figure 12, are each provided with a rearwardly projecting eye-8s (Fig. l2) to which an end of a flexible member 85 is anchored. The nexible members 85 extend rearwardly from said eyes 8f3 and are connected at their rear ends to a second cross bar 86 of the handle 3l and which extends between the legs 38 thereof at a, point outwardly of the cross bar 4I.
Referring particularly to Figures 4 and 7, the forwardly disposed edges of the slotted standards 51 are provided with integral extensions 81 which rise therefrom and to the upper end of each of which a bell crank 88 is pivotally mounted at its apex. The two bell cranks 88 have corresponding legs which normally extend upwardly therefrom and which are connected to one another adjacent their upper ends by a rod 39 which extends therebetween and to the intermediate portion of which one end of a flexible member 98 is anchored. The
Also, as best illustrated in Figure 4, the side walls of the portion of the tank 53 defining the chamber 1I are provided with upwardly opening vertical slots 91 which register with the slots of the standards 51 for accommodating the bearings 58 and the ends of the shaft 88.
As illustrated in Figure 13, a conventional type of snap switch 98 is mounted on the handle 3l adjacent its outer end and is connected to electrical conductors 99 and |88 which extend through one of the tubular legs 38 of said handle. The conductors 99 and 188 are connected to a lsuitable source of electric current lill as illustrated in the diagrammatic circuit of Figure 14 and the conductor 89 has spaced portions thereof connected to the posts or terminals of the electric motor 52. Obviously, the conductors 99 and 188 will ordinarily be connected to a conventional electric plug adapted to be plugged into a conventional outlet socket of a domestic source of electric current but any other desired electrical source could be utilized. As illustrated in Figure 1, one side wall of the tank 83 may be recessed to provide a cavity 592 which extends into the chamber 89 for containing an electric resistance or heating element |83 which may, if desired, likewise be connected to the conductor 59 for heating the contents of the chamber 59 when the electric circuit of Figure 14 is energized or a separate connection to the electric source and separate switch may be utilized for the resistance element 183 or said element may be omitted together with the cavity 192.
A slightly modified form of the dolly is illustrated in Figure 9 and wherein the side beams 25ct are apertured as seen at lila to accommodate a transverse portion E85 of a wheel post 33a which is journaled therein and which likewise includes a lower depending portion 186 which terminates in an outturned stub-axial portieri |81 for journaling a wheel Sea. It will also .be readily apparent that a similar wheel post could be substituted for the wheel post 35 and wherein the lower depending portion thereof would be equipped with a swivel section to provide a caster.
Assuming that the machine l5 is assembled, as illustrated in Figures l, 2 and 3 for use in washing a fioor surface, as indicated at 168 in Figure l, it will be readily apparent that when the dolly wheels ed and S are disposed as illustrated in Figure 1 that they will support the machine l5 and with the endless floor washing unit 85, 56 out trated in its fully raised position in this gure.
When it is desired to utilize the machine i for washing the floor surface it, the switch 5t is manually moved to a circuit closing position for energizing theY electric motor $2 which will drive the shaft da and the drum or pulley [l through the belt drive et. At the same time, the handle 3l is pulled downwardly and rearwardly or counterclockwise as seen in Figure l to exert a pull on the flexible members 85 for moving the shaft a and drum l5 rearwardly with respect to the machine frame it for tensioning the two drive belts 56 and the belt @5 on the corner rollers or drums 45 and 53 so that the .belts ES and 65 will be driven in a clockwise direction, as seen in Figures l and 3, or so that the upper flights thereof will be moving from left to right and the lower flights from right to left. Likewise, the aforementioned counterclockwise movement of the handle 3i will exert a pull on the link i3 for rocking the dolly posts 33 and 35 counterclockwise on their pivots as seen in Figure l for elevating the wheels 34 and 3'! out of contact with the iloor surface IES and so that the machine l5 will be supported on the bottom flight of the endless washing unit E5, 6%. readily apparent that the machine i5 will then be propelled along the floor surface iilii in a direction from left to right cf Figure l and the operator by holding back on the handle 3i can cause the floor engaging endless element 55, G6 1 to slip relatively to said iioor surface for lncpping or washing it as the machine passes thereover. It will be readily obvious that prior to the operation of the machine I5 the chamber te thereof will have been filled with water or other deterging liquid through the filling neck i0 and which liquid will be discharged through the conduit 82 and from the ports 83 thereof onto the floor surface lil-3 directly in front of the bottom night of the endless unit 65, 65 and so that said bottom flight may utilize this water or deterging liquid for washing the iioor. As previously described, the rotary .brush 'i3 will be adjusted so that it will be driven by its engagement with the endless unit 65, 65 and in the opposite direction thereto or counterclockwise, as seen in Figure 1, for brushing any loose dirt, trash or other debris from in front of the machine i5. The endless unit 65, 66 is adapted to he so constructed that it will pick up most of the water or deterging liquid from the floor surface leaving it in a well mopped or washed condition. The counterclockwise pull on the handle member El, previously described, will also result in a pull being exerted thereby on the flexible member Sii which will cause the two bell cranks 88 to rock counterclockwise, as seen in Figure l, for forcing the bearing blocks S3 downwardly in the slotted standards 5l to thereby force the shaft 95 and roller 95 downwardly toward the roller 5S so that the endless washing unit 55, 6E in passing .between the rollers 53 and 9%, will be wrung or squeezed for extracting the dirty water or deterging liquid therefrom. The dirty water or deterging liquid thus extracted by the wringer Accordingly, it will be l rollers 59( and S5 will be discharged by gravity downwardly through the'open top i3 into the chamber 'II of the tank 68. The upstanding side walls 'lli of the tank 68 will guide the endless unit E5, 65 and will also prevent any of the deterging liquid therefrom being discharged over the sides of the machine i5. The top wall 76a will provide a support for the belt 65 during its movement across the top part of the machine and from rear to front thereof while the tank bottom 'i4 will provide a support for the endless washing belt l5 duri-ng its movement from front to rear and along the bottom of the machine and, as seen in Figure Il, said bottom ill is provided with stepped or recessed guide edge portions ICS for accommodating the endless driving belts 55. The intermediate, bottom idler pulley Ed will cooperate with the front and rear pulleys 53 and the tank bottom 'isi to maintain the bottom flight of the ysurface engaging unit G5, Et in substantially a horizontal plane and so that all portions thereof lwill be uniformly in engagement with the floor surface iil.
lt will likewise be readily apparent that the dolly 2li and the brush i8 may be removed to permit removal ofv the unit t5, E5 and so that a sanding belt may be substituted therefor. Likewise, it will be readily obvious that suitable endless oor surface engaging element for use in polishing, waxing or oiling the floor surface Illl may be substituted for the unit 55, 66 and the compartment or chamber 6E? may then .be filled with a proper liquid for oiling, waxing or polishing the door.
To render the machine i5 inoperative, 1t is merely necessary to manually operate the switch e8 alter which the handle 3! can be swung upwardly or forwardly with respect to the machine for lowering the wheels 315 and 3i into engagement with the door surface t? and so that the machine may be pushed manually over said surface and with the remainder of the machine out of contact therewith, The rear caster wheels 3l will permit the machine l5 to be readily guided manually when being pushed 'by the operator.
Various modifications and changes are contemplated and may obviously be resorted to, without departing from the spirit or scope of the invention as hereinafter defined by the appended claims.
I claim as my invention:
A machine of the character described comprising a machine frame, a dolly connected to said machine frame and provided with floor surface engaging wheels forming a wheeled support for the machine, a plurality of pulleys journaled in the machine frame, an endless floor surface engaging element trained over said pulleys and having a bottom stretch disposed below the machine i'rame and longitudinally thereof, driving means for one of said pulleys for driving said endless iioor engaging element, a handle swingably connected to one end of said dolly, said dolly including posts each pivoted to a part of the dolly intermediate of its ends for Vertical swinging movement, one cf the surface engaging wheels being journaled on a lower end of each post, links pivotally connected to the opposite upper ends of the posts to cause the posts to swing in unison in vertical planes, and means connecting said handle and links whereby when the handle is swung in one direction said wheels will be moved to elevated positions above the level of the bottom stretch of the. endless surface engaging element for supporting the machine on the said bottom stretch, said endless surface engaging element being adapted to propel the machine when driven with the bottom stretch in contact with a oor surface above which the wheels are disposed and the weight of the machine on the bottom stretch functioning to treat the surface in contact therewith as the machine is propelled thereover.
2. A machine as in claim 1, and a rotary sweeper brush demountably and adjustably supported by the machine frame and adapted to engage said surface and disposed forwardly of and in contact with said endless surface engaging element to be driven thereby in the opposite direction to said endless element for sweeping the surface ahead of the endless element.
3. A machine as in claim 1, a tank demountably supported by said machine frame and around which said endless surface engaging element is disposed, said tank having a closed chamber adapted to contain a oor washing' liquid, said tank having a second chamber provided with an open top, and wringer means supported by the machine frame for engagement with the upper stretch of the endless surface engaging element for wringing said element for extracting the dirty washing liquid therefrom, said wringer means being disposed above and within the open top of said last mentioned chamber whereby the liquid extracted from said endless element will be discharged into said last mentioned tank chamber.
4. A machine as in claim 1, a tank demountably supported by said machine frame and around which said endless surface engaging element is disposed, said tank having a closed chamber adapted to contain a oor washing liquid, said tank having a second chamber provided with an open top, wringer means supported by the machine frame for engagement with the upper stretch of the endless surface engaging element for wringing said element for extracting the dirty washing liquid therefrom, said wringer means being disposed above and within the open top of said last mentioned chamber whereby the liquid extracted from said endless element will be discharged into said last mentioned tank chamber, and means connecting said Wringer to the handle whereby said wringer will be moved to an operative position when the handle is swung in a direction for elevating the surface engaging dolly wheels. v
5. A machine as in claim 1, and means connecting one of said pulleys to said handle, said last mentioned pulley being slidably supported in the machine frame and displaceable therein for tensioning said endless surface engaging element by movement of the handle in a direction for elevating the dolly wheels.
OLE L. BYE.
REFERENCES CITED The following references are of record in the le of this patent:
UNITED STATES PATENTS Number Name Date 515,877 Garrott Mar. 6, 1894 811,119 Anderson Jan. 30, 1906 862,411 OConnor Aug. 6, 1907 867,620 Taft et al. Oct. 8, 1907 1,179,427 Hauck Apr. 18, 1916 1,229,648 Olander June 12, 1917 1,393,100 Espeland Oct. 11, 1921 1,489,955 Madriss Apr. 8, 1924 1,504,476 I-Iorembala Aug. 12, 1924 1,691,263 Alvarado Nov. 13, 1928 1,804,636 Milanovich May 12, 1931 1,823,774 Williams Sept. 15,1931 1,884,387 Thorne Oct. 25, 1932 1,954,314 Heitman Apr. 10, 1934 1,963,139 Mattoon June 19, 1934 2,023,816 Milanovich Dec. 10, 1935 2,088,246 Nelson July 27, 1937
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1396A US2621350A (en) | 1948-01-09 | 1948-01-09 | Combination floor washing, sanding, oiling, and polishing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1396A US2621350A (en) | 1948-01-09 | 1948-01-09 | Combination floor washing, sanding, oiling, and polishing machine |
Publications (1)
Publication Number | Publication Date |
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US2621350A true US2621350A (en) | 1952-12-16 |
Family
ID=21695826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US1396A Expired - Lifetime US2621350A (en) | 1948-01-09 | 1948-01-09 | Combination floor washing, sanding, oiling, and polishing machine |
Country Status (1)
Country | Link |
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US (1) | US2621350A (en) |
Cited By (7)
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US2847803A (en) * | 1956-01-04 | 1958-08-19 | John H Nuttman | Cultivator disk grinding apparatus |
US3072941A (en) * | 1959-12-03 | 1963-01-15 | G M Lab Inc | Floor cleaning and polishing machine |
US3319600A (en) * | 1964-04-08 | 1967-05-16 | Brunswick Corp | Bowling lane surface coating device |
US3945078A (en) * | 1973-10-16 | 1976-03-23 | Mario Acquaro | Floor scrubber |
US4523361A (en) * | 1982-07-06 | 1985-06-18 | Von Arx A.G. Maschinenfabrik | Portable surface processing apparatus |
US5224301A (en) * | 1992-03-20 | 1993-07-06 | James Tasikas | Dual mode floor sander |
US20110162158A1 (en) * | 2010-01-03 | 2011-07-07 | Martin Daniel Holmes | Bucketless Mop |
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US5224301A (en) * | 1992-03-20 | 1993-07-06 | James Tasikas | Dual mode floor sander |
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US20110162158A1 (en) * | 2010-01-03 | 2011-07-07 | Martin Daniel Holmes | Bucketless Mop |
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