US1716171A - Window cleaner - Google Patents

Description

June 2 K; HORIHATA WINDOW CLEANER Filed Jan. '7, 1928 2 Sheets-Sheet INVENTOR jiqz v Hold/Mia. BY

ATTORNEY June 4,1929. K. HORIHATA WINDOW CLEANER Filed Jan. 7, 1928 2 Sheets-Sheet 2 QIIINVENTOR ffe ATTORNEY Patented June 4, 1929.

ATENTOFF! KENJI HORIHATA, OF NEW YORK, N.

WINDOW CLEANER.

Application filed January 7, 1928. Serial No. 245,171.

My invention relates to window cleaning devices, and more particularly is intended as an improvement on the window cleaner forming the subject matter of a previously filed application pending concurrently herewith, Serial Number 168,732.

The present invention is embodied in a form for cleaning one surface of a window at a time instead of simultaneously cleaning opposite surfaces, as in the applicatlon above referred to.

The general object of the present invention is to provide a window cleaner improved in various particulars, especially with regard to the cleaning head assemblage and as to the means for fastening the bail on the single staff forming part of the structure.

The nature of my present invention and lts distinguishing features and advantages will clearly appear as the description proceeds.

Reference is to be had to the accompanying drawings forming part of this specification, it being understood that the drawings are merely illustrative of one example of the invention.

Figure 1 is a perspective view of a window cleaner embodying my invention;

Figure 2 is an enlarged vertical section of the window cleaner;

Figure 3 is a section on the line 33 of Figure 2;

Figure 4 is a horizontal section of the cleaner head on line 4E4 of Figure 3;

Figure 5 is a detail in section on the line 5-5 of Figure 3; I

Figure 6 is a perspective view of the cleaning fabric;

Figure 7 is a detail in vertical section showingflthe means for fastening the bail to the sta Figure 8 is a diagrammatic view in perspective to be further referred to;

Figure 9 is a perspective view of an element that may be substituted for the cleaning fabric, and used for dusting walls; and

Figure 10 is a view similar to Figure 9 showing an element to be substituted for the cleaning fabric and used for oiling floors.

In carrying out my invention in practice in accordance with the illustrated example, a single staff or vertical handled rod 10 is provided with a cross handle 11 at the lower end. To the upper end of staff 10 is secured a bail 12 the side arms of which are pivotally polishing or secured by cross bar 112 to the cleaning head hereinafter described. The means for attaching the bail 12 to the staff is as follows. The side arms of said bail 12 are directed laterally inward and formed into a depending loop 13, which is received in a slot 14 in staff 10. A clamp screw 15 passes through the loop 13, said screw having a winged head 16. Said screw 15. passes through the staff 10 and its ferrule 17 and the turning of the screw into position holds the loop 13 in slot 14.

As in my previous application, a backing plate is provided between opposite faces of the cleaning head. Said backing plate is designated by the numeral 19. It is to be observed from Figures 2 and 3 that the backing plate 19 is-ofiset to one side of the medial plane of the cleaning head, which is a feature of the present invention. The offsetting of the said plate at one side of the medial plane permits of the pivot rod 112 of the carrying bail being positioned in the medial plane, and permits also of spring means hereinafter referred to being also disposed in said medial plane. At one side of the head lying against the backing plate .19 are pads 127 over which is disposed a cleaning fabric 21 in a plurality of layers.

At the opposite side of the cleaning head from that having the backing plate 19 and pads 127, a separate backing block 27 is em ployed for the fabric 21 at that side, there being interposed a pad 28 between said cleaning fabric 21 and said packing block 27. The flanges 22-terminate in in-turned lips 29.

The waterproofing of given areas of the cleaning fabric 21' is utilized in the present application also. In the present instance the fabric 21 is folded on itself and composed of several layers, continuously from one face of the cleaning head to the opposite side. The waterproof material lies at the clamp edge portions 33 and atthe areas adjacent to the folding line v of the fabric 21, the purpose of the waterproofing material being to prevent the running of moisture in the fabric 21.

A plate 35 of double thickness is disposed in the medial plane of said head, said plate having opposed concave indentations 36 to accommodate the pivoted cross bar 112 of staff 10. Each side edge of the double plate 35 (see Figures 4 and 8) has offset flanges 37 at one side of the medial plane, and similar offset flanges 38 at the opposite side of the the fabric thus extending 95 medial plane integral with which flanges 38 are return clips or lugs 39 for holding the edges of the blocks 27 and the pads 127.

The plate 35 is formed with end flanges 22 at the top and bottom of the cleaning head, and a clamp plate 23 is provided for clamping the edge portions of fabric 21 against the flanges 22.

The fabric 21 is folded or doubled on itself and at the bend or line of folding a wire element 24 is passed through the fabric and clamped thereto, said fastener being looped, as best seen in Figure 4, and passing through a hole 122 in the adjacent concaved flange 22.

The described formation results in a vertical groove being presented on each side of the cleaning head, in which grooves are dis posed coil springs 40 which are secured at their lower ends at one end to the fixed cross bar 112, and at the other end to the clamp plate 23. It is to be noted that the connection between the springs 40 and clamp plate 28 is in the medial plane to exert a uniform pressure on said clamp plate. The pressure exerted by the springs 40 yields to the lifting of the clamp plate 23 through the medium of finger cords 41 securing said clamp plate near each side edge. By the described arrangement either finger cord 41 may be grasped and the plate lifted at either edge to release the adjacent in-turned edge 121 of the cleaning fabric 21 which normally is clamped by said plate 23.

In Figure 9 the cleaning element is folded on itself and provided with a woolly surface 51, said element being adapted to be substituted for the cleaning fabric or element 21 and to be used for dusting down walls.

In Figure 10 similarly is shown a view of a cleaning element- 52 presenting a surface 53 formed of polishing material and adapted to be used for polishing or oiling floors.

I would state, furthermore, that while the illustrated example constitutes a practical embodiment of my invention, I do not limit myself strictlyto the exact details herein illustrated, since, manifestly, the same can be considerably varied without departure from the spirit of the invention as defined in the appended claim. 1

I claim:

In a window cleaning head, a backing element disposed in a plan-e at one side of the medial plane of the head, pads at the opposite sides of said head, a cleaning medium outside of said pads forming the cleaning faces of said head and serving to hold said pads on the head, a clamp element at one edge portion of the head and formed with edge members serving to clamp said cleaning medium, and a pair of coiled springs externally positioned and connected with the sides of the head and with said clamp element along the medial line of said clamp element.

Signed at New York in the county of New -York and State of New York this 5th day of January A. D. 1928.

KENJ I HORIHATA.

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