US1684698A - Polishing attachment for vacuum cleaners - Google Patents

Description

B. FREEMAN EOLISHING ATTACHMENT FOR VACUUM CLEANERS Filed Jan 26, 1927 Sept. 18, 1928. j 1,684,698

INVENTO m Beryl Freemah Patented Sept. 18, 1928.

. UNITED STATES PATENT OFFICE.

iannYil FREEMAN, or CAMBRIDGE, onro.

POLISHING ATTACHMENT FOR VACUUM CLEANERS.

Application filed January 26, 1927. Serial No. 163,714.

The object of the invention is to provide a on the shaft and the squared portion of the device adapted for use in connection with a latter prevents relative angularor turning vacuum cleaner and operated by the rotary movement between the head and the shaft,

element thereof, so that the cleaner may be so that when the'shaft is rotated, the head, 4o employed in the operations of waxing and of necessity, rotates in synchronism therepolishing floors; to provide an attachment to with. which the cleaner may be easily applied and The head 21 is in the form of a disk and without the use of tools; and to provide an 011 the under face is provided with crossing attachment of this character which may be transverse slots- 24 in which are carried the 60 Qeasily and cheaply manufactured and therepolishing strips 25, the latter being preferfore marketed at low cost. ably felt strips, inserted lengthwise into the With this object in view the. invention conslots which by virtue of the converging side sists in a construction and combination of edges thereof serve to effectively retain them parts of "which a preferred embodiment is in position on the head. so 15 illustrated in the accompanying drawings, The upper end of the shaft is rovided herein; with a coupling member 26 consisting of a Figure 1 is a side elevational view of the disk-like element with uniformly spaced upinvention shown applied in operative -posistanding arm or fingers 27. These interlock tions in connection with a vacuum cleaner, with the blades of the fan 28 of the vacuum 20 the latter being partly broken away. cleaner when the casing or housing of the Figure 2 is .a top'plan view of the attachlatter is disposed on top of the frame 10. ment, 1 Thus when the fan is caused to rotate by adi- Figure 3 is a central vertical sectional view mission of current to the driving motor, the

t of the attachment. shaft 17 is rotated and with it the polishing 25 The frame 10 of the device constituting the head 21, thecasters permitting the frame to invention follows in general outline the outbe moved promiscuously over the floor, just line of the casing or housing of a vacuum as is the cleaner when the polishing device is cleaner, such as that illustrated at 11. The not used. frame is supported-onthe'ca'sters 12 mounted The invention having been described, what 70 in ears 14 of depending extensions 15 of the is claimed as new and useful is: frame. In combination, a polishing device com J ournalled in a bearing in a boss 16 formed prising a frame, a shaft rotatably mounted on the under face of the frame is a shaft 17, in the frame, a polishing head carried at the the latter having a collar 18 seated in a ball lower end of said shaft and disposed .belowi thrust 19. On the lower end of the shaft the frame, and means on said shaft above the which is squared as indicated at 20 there is frame for attachmenet with the fan of a vaccarried the polishing head 21, the latter havuum cleaner supported on said frame. ing a hub 22 formed with an eye to come In testimony whereof he affixes his sigma-- spond with the squared or angular portion ture.

49 20. A screw 23 engaged in the shaft in the v lower end serves to retain the polishing head BERYL FREEMAN.

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