US1745863A - Brush means for vacuum cleaners - Google Patents

Description

Feb. 4, 1930. 1. J. OWEN 1,745,863

BRUSH MEANS FOR VACUUM CLEANERS Filed Sept. 13, 1924 IN VENTOR W r M ATTORNEY Patented Feb. 4, V 1930 UNITED STATES PATENT OFFICE IRA J. OWEN, OF GRAND RAPIDS, MICHIGAN, ASSIGNOR TO BISSELL CARPET SWEEPER COMPANY, OF GRAND RAPIDS, MICHIGAN BRUSH MEANS FOR VACUUM CLEANERS Application filed September 13, 1924. Serial No. 737,619.

This invention relates to improved brush means for vacuum cleaners.

The objects of the invention are: First, to provide an improved construction of parts which can be readily attached and detached from any usual form of vacuum cleaner having a projecting nozzle.

I Second, to provide such a structure which depends purely on the gravity of the brush 1 to maintain it in proper brush engaging relation.

Third, to provide such a structure which can be very readily adjusted out of operating position.

Further objects, and objects relating to details and economies of construction and operation will definitely appear from the detailed description to follow.

I accomplish the objects of my invention v by the devices and means described in the following specification. The invention is clearly defined and pointed out in the claims.

A structure which is a preferred embodiment of my invention is clearly illustrated in the accompanying drawing, forming a part of this application, in which:

Fig. I is a side elevation view of the main parts of a vacuum cleaner with one of my improved brushes in position.

Fig. II is a plan view of the front or nozzle portion of the same, with the brush in brushing position, the deflection of the retaining arms to disengaged position being indicated by dotted lines.

Fig. III is a front elevation of the structureappearing in Figs. I and II, showing the brush in operative relation.

Fig. IV is an enlarged detail sectional view taken on line H of Figs. II and III, show- 49 ing the brush supported and retained in inoperative position by the yielding ball retainer means.

Fig. V is a detail perspective view showing the method of manufacture and assembly of the brush.

In the drawing similar reference characters refer to similar parts throughout the several views, and the sectional views are taken looking in the direction of the little arrows at the ends of the section lines. The parts of the drawing will be considered by their numbers.

1 is the main case or body of a Vacuum cleaner. 2 is the handle. 3 is the rear or caster wheel and 4 the front carrying wheels of the structure, of any usual and well known design. 5 is a forwardly-projecting nozzle preferably supported slightly above the car pet to be cleaned. 6 is my improved brush, which is carried in a holder 7, the bristles being adapted to rest by the weight of the brush structure upon the floor or surface to be cleaned in front of the nozzle 5 and in close proximity thereto. The brush thus floats over the floor surface. Spring arms 8 extend each side of the nozzle and contain perforations at 9 which engage laterally extending studs 10, preferably axially disposed to the front carrying wheels 4.

The brush is preferably a section of wooden back brush properly conformed to slide into the holder 7 with a single longitudinal row of separated tufts. The holder 7 is deflected at its center at 71 to form a depression which engages the yielding ball retainer. This consists of the usual socket member 11 screwed into the case centrally as indicated in Figs. II,.III and IV, having a ball 13 disposed to engage the depression formed on the side of the brush holder 7 The spring 12 holds the engaging ball 13 outwardly in engaging position in the well known manner for such yielding ball retainers. It is clear the brush would operate without the necessity of this retaining means, and also the brush might be variously constructed and supported. I have shown a simple and effective means of doing it.

I desire to claim the invention specifically as illustrated and also broadly as pointed out in the appended claims.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is:

1. In a vacuum cleaner having a nozzle, a brush back elongated in form with downwardly projecting bristles, a carrier frame for said brush back with horizontally projecting arms, detachably engaging pivots at the opposite sides of the said nozzle whereby the brush floats over the floor surface, and

yielding retainer means for supporting the brush when swung out of use, comprising a spring ball structure disposed above the case hand.

IRA J. OWEN.

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