US1642440A - Floor polisher - Google Patents

Description

Sept. 13, 1927.

w. A.' HOE 5T AL.

FLOOR POLISHER Filed March 29. 192e Patented SPl *UNITED STA TES PATIENT OFFICE.

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Application led laren 29, 192B. Serial No. 98,345.

This invention is a device for polishin floors and has for its object the provision o a vsimple and inexpensive implement which may be easily attached to of a sweeper for vacuum cleaner ,to run 1n advance thereof so as to impart a polish to the surface of the iloor without excessive labor. The` invention is yillustrated inthe accompanying drawing` and will lbe herein- 1o after fully set forth. V

In the drawing:

. Figure 1 is a side elevation, partly broken 9 to be attached to the front side of the vacuumcleaner casing in axialalinement with the opening 4 through the front wall of the said casing and merges at its front end into a laterally extended hood 5. The-hood 5 in I0 the articular form illustrated in the drawing` as its lower end like body '6 and at the ends of the said body are bearingsblocks or boxes 7 receiving the ends of a shaft 8 which carries a lishing roller 9 of any approved form. e roller will generally have a surface of felt or other somewhatelastic'material so that, as it is propelled over the iloor and positively rotated, it will impart a polished finish to the Yiloor surface. At the ends of the roller are secured sprockets 10, and chains 11 are trained around the said sprockets and other qsprockets,1 indicated at 12, fitted tothe ends 'of a 'shaft 13 which is and extends across the same. At the centerof the shaft 13 is a worm gear 14-whichmeshes with a worm 15 upon a shaft 16' disposed axially wit-hin the tubular arm 3 and sup rted at its front 5 end by the wall of the h flared to define abell` and near its rear the casing or frame `j'urnaled""`at its ends" in the ends of the hood 5 end by a bracket 17 of any approved form` fixed within the tubular arm. e extremity of the driving shaft 16, at the rear of the bearing ybracket 17,-is anllar in cross secu tion so as to receive the hu 18 of a clutch or coupling sleeve,` the rear" end 19 of which is driving .engage the lug's expanded to lit over the projecting endof the axle 20 of the fan 2. As shown clearly in Figs. 3 and 4 the head 19 of the coupling sleeve is provided with longitudinally extending radial slots or notches 21 which receive the front edges of the blades ofthe fan 2 so that,v when the fan is' rotated through the operation of the vacuum cle-.mer motor, the rotation will be imparted to the shaft 16 and transmitted through the described gearing. to the polishing roller The tubular arm 3 may be attached to the vcasing of the fan 2 in any convenient man- We have shown a plurality of angle brackets 22 secured to the arm at the rear end thereof and having their rear ends outturned as shown, to bear closely against the wall of the fan casing. lSecured to the front wall 'of the fan casing 'are keeper lates 23 which are arranged to extend ra ially to- Ward the end of the arm 3 and are offset, as shown in Fig. 1, whereby they may engalge .over the outturned rear terminals of t brackets or lugs 22. By bringing the arm 3 against the front wall of the fan casing with the lugs 22 out of alinement with thekeepers 23 and then partly rotating the casing, the lugs will be enga ed behn the keepers and the arm thus hel to the fan casing.'I When the arm is thus brought against the fan casing, .the slotted ormotched coupling sleeve f will be caused to properly engage the fan and the fan will, of course, turn with the coupling sleeve rockin of the arm will, of course, bring the po ishing roller into a horizontal plane so that it will rest upon the oor which is to be* polished.

When the polishing roller is to be used, the machine is usual manner o propelling a vacuum cleaner and; ythe motor ofithe cleaner having set to operate, the described gearin will impart rotation to the polishing ro er in an obvious manner. The gearing, will be so adjusted or proportioned that the roller will rotate at a higher speed than that with which itis propelled over the lioorand the friction thusgenerated between the roller and. the iloor surface will` quickl impart. a high polish to the surface. le device may be easily and quickly removed from the vacuum cleaner casing so that the cleaner may 'be when the arm 1s rocked to l behind the keepers and this propelled over the iloor in the i' -nsed in the ordinary manner wheneverde sired and it will not add perceptibly to the weight of the device while its use will enable the housekeeper to maintain the desired finish upon the floors without excessive labor and at a very slight expense. While we have shown the hood as flared in its lower portion so as to have a bell-like form, it is to be understood thatY the front side of the casing may be eut away to permit the polishing roller to be moved close to a baseboard or an article of furniture, the weight of which makes the moving of the same imracticahle. If desired. a vertically disposed rush or Wiper may be mounted at the front side of the casing so that the polishing :ietion may be carried into corners which cannot be reached bythe roller. l

Having thus described the invention, We claim:

A polishing attachment adapted to be substitnted for the suction nozzlev of a vacuum cleaner, wherein the 'nozzle communicates with the fan casing of the cleaner through an opening therein, comprisinflr in combinaA tion a forwardly projecting tuhular arm detachably secured upon the front side of the casing around said opening, a transverse hood at the front end therefrom and communicating therewith through the bottom thereof, a polishing roller mounted in the hood and operating through the bottom thereof, a driving shaft mounted eoncentrically in the tubular larm and extending the full length thereof, means for coupling the rear end of the drivin sha-ft to the fan, a transmission shaft house in the top of the hood and geared to the front end of the driving shaft, and gearing within the hood connecting/the ends of the transmission shaft with the ends of the roller. p

In testimony whereof we affix' our signatures.

WILLIAM A. Hon.

of said arm depending y

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