US 2430409 A
Description (OCR text may contain errors)
Nov. 4, 1947. c. L'. OSENBAUGH 2,430,409
ENDLESS BELT FLOOR SCRUBBING MACHINE YWITH ADJUSTABLE ENDLESS BELT Filed Jan; 16, 1946 2 Sheets-Sheet l 72 Him 9 73 Invenlo? y a Attorneys U/zesz'er 11056226021312 ullllmm C. L. OSENBAUGH Nov. 4, 1947.
ENDLESS BELT FLOOR- SCRUBBING MACHINE WITH ADJUSTABLE ENDLESS BELT Filed Jan. 16, 1946 2 Sheets-Sheet 2 llllllllll'lllllj I is i Patented Nov. 4, 1947 OFFICE ENDLESS BELT FLOOR SCRUBBING MA- CHINE WITH ADJUSTABLE ENDLESS BELT Chester L. Osenbaugh, Memphis, Tenn.
Application January 16, 1946, Serial No. 641,467
2 Claims. 1
My invention as described herein, and illustrated in the accompanying drawings, consists of a floor washing machine, an object of which is to provide mechanical means whereby a floor may be thoroughly cleaned.
Another object of my invention is to provide a floor scrubbing machine by means of which floors may be very rapidly cleaned.
A further object of this invention is to provide means for actuating an endless scrubbing cloth through a water tank and upon the floor surface.
Other features and advantages will become more readily apparent from the following description and the accompanying illustrative drawings in which:
Figure 1 is a side elevational view of my floor cleaner,
Figure 2 is a top plan view thereof,
Figure 3 is a front end elevational view of the device,
Figure 4 is a sectional view on line 44 of Figure 2, a
Figure 5 is a sectional view on line 55 of Figure 4, and
Figure 6 is a detail sectional view on line 6-5 of Figure 4.
While one embodiment of my invention is illustrated in the above referred to drawings, it is to be understood that they are merely for the purpose of illustration and that various changes in construction may be resorted to in the course of manufacture in order that the invention may be utilized to the best advantage according to circumstances which may arise, without in any way departing from the spirit and intention of my device, which is to be limited only in accordance with the appended claims. And while I have stated the primary field of utility of my invention it remains obvious that it may be employed in any other capacity wherein it may be found applicable.
In the accompanying drawings, and in the following specification, the same referenc characters are used to designate the same parts and elements throughout and in which l0, refers to my invention in its entirety and II, indicates a carriage in the form of a tank, the front, bottom and rear wall [2. l3 and I4, and the side walls [5 and it, of which are provided at the front and rear ends l! and I8, ofthe tank at the bottom with inwardly extending arcuate portions I9 and 20, which form outer recesses 2| and 22, within which are mounted transverse rollers 23 and 24, which perform the plurality of functions of supporting the tank, providing traction means there- "for, guides for an endless scrubbing belt 25, and
means for directing the belt flat and straight upon a floor surface under said bottom wall t3.
The wall 12, of the tank inclines to the driving roller 26, mounted upon the forward upper end 21, of the tank. Mounted above the roller 26, is a frame 28, within each end29 and 30, of which are provided inverted U-shaped bearing blocks 3| and 32, for the ends 33 and 34, of shaft 35, upon which an adjustable friction roller 36, operates.
The endless belt 25, is trained upon the rollers 24, 23, 26, 31 and 38, the latter being supported upon the upper rear end 39, of the tank H. The roller 26, is the driving means for the belt and the roller 33, directly over the same and adapted to bear upon the belt 25, as it passes between the two latter rollers. Adjustable tension of roller 35, upon the belt and through the same upon roller 25, is had by means of adjustment screws 43 and 4!, operating through the ends 42 and 43, of the top plate 44, of frame 28, and bearing upon the heads 45, of the blocks 3| and 32. The amount of water carried by belt 25, from the tank H, is readily controllable by changing the pressure on screws 40 and 4|, which exert pressure on metal plates 45, which in turn transmit pressure to roller shaft 35, through wooden blocks 3| and 32. The amount of pressure thus exerted between rollers 26 and 36, regulates the amount of water carried by belt 25. However, to dry the floor the roller 36, is forced down to squeeze all excess water from the belt.
The roller 31, performs the double function of tensioning the belt 25, upon the various rollers over which it operates, and is a scrubbing roller for cleaning dirt from the belt as it passes through the water contained in the tank as the roller i held immersed in the water by its bearing arms 53 and 54, held vertically in the tank by guides 55 and 56', the intermediate portion of which are provided with upwardly inclined ratchet teeth 55 and 55, adapted for vertical adjustable connection with downwardly inclined ratchet teeth 5! and 58, formed on the inner upper surfaces 59 and fiiL'o-f the walls l5 and It. The upper terminal ends 6i and 62, are formed into hand-holds whereby said arms 53 and 54, which are of resilient material, may be drawn in toward one another to release connection with said sets of ratchet teeth in order to withdraw the roller 31, from the tank. It is only necessary to press down upon the handles SI and 62, in order to increase tension of roller 31, upon the scrubbing belt 25.
When the roller 31, is removed from the tank and head 84, is released from catch 83, the frame 28, may be raised upon its hinge 48 and 50, by means of which its end 30, is attached to bracket 65, fastened on the upper edge 66, of said wall l5, whereupon the belt 25, may be readily removed from the rollers 38, 26, 23 and 2 by merely passing the belt over the side IE, or the tank in order to wash out and dry the belt or for installing a new belt in reverse manner.
From the rear wall I l, of the tank extends an extension 67, forming a passageway 68, through which the rear part 23, of the belt 25, moves, and projecting from the wall 61, is fixed the base 10, of an electric motor II, the shaft 12, of which is provided with a V-pulley 13, for receiving a V- belt 14, which is also trained over the much larger V-pulley 75, mounted on the end of shaft 34, whereby the roller 26, is driven.
To the upper edge 16, of wall 67, is attached the terminals H and 18, of a U-shaped yoke 19, to the center of head 80, of which is secured the end 8!, of a handle 82, by means of which the machine it, may be held back from too rapid forward travel. 7
The end 29, of member 28, is provided with a catch 83, to be engaged by the head 89, of a link 85, pivoted to a bracket 86, on wall 16, whereby the member 28, is secured in closed down position. A guard 31, provides means to prevent water being drawn up by the belt 25, from splashing out of the tank. The roller 31, may be provided with a seriesof peripheral slots 88, which are arcuate and incline from the center 88' of the roller toits outer edges. In passing under the roller the outer surface of the belt 25, carrying dirt and dirty Water will be cleaned thereof by the action of the roller and will be carried through the slots therein to their outer ends and discharged into the body of water. Hub caps 93, 94, etc., are provided to enclose ends 95 and 96, of the rollers. These caps are secured to the side walls 15 and [6, of the tank by means of rivets or screws 97, and form bearings for the pintles 98 and 99, of the rollers.
From the foregoing it will be seen that I have provided afloor washing machine which is selfpropelled, by a scrubbing endless crawler belt which acts as both washer and dryer of a floor and which is cleaned within the tank as it operates and which can be quickly and easily removed therefrom for more thorough cleansing and drying. It is so formed that it will operate close to a wall and in corners making it an eflicient cleaner, one easy to operate and inexpensive to manufacture.
It is thought that persons skilled in the art to which the invention relates will be able to obtain a clear understanding of the invention after considering the description in connection with the drawings. Therefore, a more lengthy description is regarded as unnecessary.
Changes in shape, size and rearrangement of details and parts such as come within the purview of the invention claimed may be resorted to, in actual practice, if desired.
Having now described my invention that which I claim as new and desire to procure by Letters Patent is:
l. A combination floor washer and drier comprising a tankhaving opposite sides and ends and a bottom, said tank being shaped to form transversely extending arcuate bearing recesses in its lower opposite ends, pintles and guide rollers supported therein, hub caps for said rollers forming bearings for said pintles, a driven roller mounted transversely of said tank at its forward end, an
idler roller at the rear of said tank, a belt mount ed over all of said rollers extending in contact with the lower surface of the tank bottom, means for driving said driven roller, a step by step Ver tically adjustable combined belt tensiom'ng and scrubbing roller adjustably mounted transverse= ly of said tank contacting said belt between the driven and idler rollers, flexible arms for supporting said belt tensioning and scrubbing roller. toothed racks formed on the inner opposite walls of said tank, and locking teeth on said flexible arms for adjustably engaging said racks.
2. The subject matter as claimed in claim 1, and said flexible arms being adapted to be flexed inwardly to disengage the locking teeth thereon from said racks to remove said belt tensioning and scrubbing roller from said tank. 7
CHESTER L. OSENBAUGH.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 1,179,427 Hauck Apr. 18, 1916 1,310,296 Rogers July 15, 1919 1,554,070 Greasy Sept. 15, 1925 1,941,690 Janchan Jan. 2, 1934 2,088,246 Nelson July 27, 1937 2,153,686 Deegan, Sr Apr. 11, 1939 2,268,073 Hunn et a1. Dec. 30, 1941