US2421661A

US2421661A - Suction cleaning nozzle

Info

Publication number: US2421661A
Application number: US583144A
Authority: US
Inventors: Charles H Taylor
Original assignee: Westinghouse Electric Corp
Current assignee: CBS Corp
Priority date: 1945-03-16
Filing date: 1945-03-16
Publication date: 1947-06-03
Anticipated expiration: 1964-06-03

Description

June 3, 1947. c, TAYLOR 1 2,421,661

SUCTION CLEANING NOZZLE Filed larch 16, 1945 2 Sheets-Sheet 1 INVENTOR CHARLES HIM. an

ATTORNEY I 2,42l,661 OFFICE aerator silo'rron chroma NOZZLE @harles llil. Taylor, Springfield,

Mass, assignor to Westinghouse Electric Corporation, East Pittsburgh, its... a corporation oi Pennsylvania Application March 16, 1945, Serial No. 583,144

(ill. 15-158) 2 Claims.

is invention relates to a suction cleaner nozprovided with an agitator, such as a blush or like, adapted to act upon the surface being cleaned.

who object of the invention is to produce an improved nozzle construction and brush mount ing for a suction cleaner of the type set forth.

.tfil suction cleaner may be used on abare floor r floor having a covering such as a rug,

2 is. therefore, a further object of the inion. to produce an improved nozzle construction may be eilectively used on both types of surfaces. I i'urther object of the invention is to h. the foregoing objects by means of construction which will be light, to operate.

oltwiects are efiected by my inpparent from the following description. at. c .15 taken in connection with the accon'lpanying drawings, forming a part of this application, in which:

l a view, partly in front elevation and partly in vertical section, of a suction cleaner norzle embodying my invention, certain parts hevolt way;

on plan view of the'nozzle shown the upper part or cover removed; a section on line III-III of Fig. l; llig. 4i a section on line IV-IV of Fig. l; li lg". 5 an enlarged section on line V- i? of .2; and

. ll perspective view of a clip forming construction.

llstrated in the erawil'lgs, lion cleaner nozzle which in parts, namely, an upper wermember i2. .tJciu; are preferably die-cast of a as aluminum or the like, or they of a thermo-plastic material by lg or by injection molding. The

lower members are secured together by means, such as a plurality of screws 1- ch engage pendant bosses l6 forming part ,of, or carried ,by, the upper member ill. The heads or the screws it are preferably countersunk recesses it formed in the underside of the lower member iii of the nozzle.

The upper member it is provided with a pendant wall it which overlaps an outer wall 22 of body it, as clearly shown in the drawings. If desired, the pendant wall it may be shouldered, as at till, so as to rest upon the upper edge of the wall lit. in order to make the nozzle light, and order to economize in materials, the cover and body members are made as hollow as possible and the thicknesses of the various walls and of the bosses it are only such as to provide the necessary rigidity. Hollowing the lower member It, for the purpose stated, provides elongated spaces ill formed between the outer wall 22 and an inand brush mounting whereby the cleaner so that the brush will termediate wall 26, as best shown in Figs. 3 and 4.

The lower member i2 is also provided with an inner wall Z'l which defines a. suction. opening it. The suction opening 28 communicates, through an opening 30, with an elbow passage 32 formed in the upper member Ill. The lower and upper members it and in are formed with integral abutting Wall elements 30a and 30b which bound the opening (it and the passage 32. The elbow passage 32 terminates in an outlet opening to providing for connection directly to the lowpressure side of the fan of a handle-propelled cleaner, or, through a hollow wand or a hose, to the low-preset c side of the fan of a tank-type cleaner.

The

walls

27 and 26 define a channel or slot 36 for accommodating a brush or other agitator. The channel it is closed at its top and it preferably extends along the entire perimeter of the nozzle so as completely to surround the suction opening it. The brush includes a backing or body portion it and bristles 42 and is preferably coextensive with the channel.

According to my invention, the brush. may be locked in an outer position for use on a bare floor, contact the bare floor with a predetermined constant pressure. Also, according to invention, the brush may be left free to move vertically relative to the channel to and nozzle opening 28 for use on floor coverlugs, such as rugs, so that the brush may contact such coverings with a pressure determined by the weight of the brush, the brush being free to move upwardly according to the height of the nap or pile of the particular floor covering being cleaned.

As illustrated, the brush is loosely mounted within the channel 36 so as to be free to move into and out of the channel, or up and down as viewed in the drawings. In order to limit the outward movement of the brush, I provide two clips, one of which is shown in Fig. 6. The clips are placed at either end of the nozzle so as to support the brush at opposite ends thereof and thus prevent the brush falling out of the channel 36. Each of the clips includes a body portion is which is adapted to rest on a boss 46, formed onor carried by the lower member I 2 of the nozzle, and registering with one of the bosses IS. The body portion 44 of the clip is clamped between the bosses 46 and I6 and is proVided with 35 so as to form stops 54 for limiting the outward or downward-movement of the brush relative to the channel 36.

In order to maintain the brush in its outermost position, as shown in Fig. 5, .I provide an elongated rod or shaft 56 having its ends ofiset to form crank arms 58. The shaft 56 seats in recesses 60 formed in the upper surface of the lower member I2, with the outer ends of the crank arms 58 thereof disposed in vertical alignment withjand adapted to bear upon, the backing or body portion 40 of the brush. The'shaft is confined in the recesses or bearings by coopcrating portions 60a of the upper member iii. The-shaft 56 is provided with an operating handie Blwhich extends upwardly through the upper member In so as to be accessible from without th nozzle. The upper member ID of the nozzle is provided with a lug or bracket 66, having 1ecesses 68 and for engaging the handle 62 of the shaft 56, to retain it in one of its two operative positions, as best illustrated in Fig. 3. The shaft 58 and the manipulating handle 62 are so related that when the manipulating handle 62 engages the upper recess 68, the crank arms 58 are moved to the position shown in Fig. l, and when the handle 62 engages the lower recess 10, the crank arms 58' are moved to the position indicated in Fig. 5.

' Operation When it is desired to use the nozzle on a bare floor, the handle 62 is depressed and engaged in the lower recess 10. The movement of the handle rotates the shaft 56 about its longitudinal axis so that the crank arms 58 thereof are moved to the position shown in Fig. 5, in which they move the brush outwardly of the channel until it abuts the stops 54. In this position, the brush is locked between the stops 54 and the ends of the crank arms 58 and, as shown in Fig. 5, the brush is in its outermost position.

When it is desired to use the nozzle on rela tively thick floor coverings such as rugs having naps or piles or different heights, the handle 52 is disengaged from the lower recess in and is raised so as to engage the upper recess 68. The crank arms 58 of the shaft 58 are now moved out of contact with the brush andassume the position shown in Fig. 1 in which the brush is free to float or move freely vertically of the channel, according to the variation of the height of the surface of the covering being cleaned. The movement of the brush inwardly ofthe channel may be limited by contact of the brush backing at with the top wall of the channel 36, or by contact with the arms 58.

From the foregoing, it will be seen that I have devised a structure which is very simple, durable, inexpensive, and easy to operate, and by means of which the brush may be mounted in fixed position or by means of which the brush may'be permitted to move relative to the nozzle opening.

Also, the actuating parts, except for the handle M, are concealed so as not to detract from the appearance of the nozzle.

While I have shown my invention in but one form, it willbe obvious to those skilled in the art that it is not so limited, but is susceptible of various changes and modifications without departing from the spirit thereof.

What is claimed is:

1. In a suction cleaner, a nozzle constructionincluding upper and lower members and fastens ment relation, the lower member including an inner wall bounding the suction opening and an outer wall spaced from the inner wall to define wall, said inner abutment portions including ing means for connectingthe members in abutabutting wall elements defining a suction passage communicating with the nozzle opening, a brush in the slot, stops for limiting outward movement of the brush in the slot, a shaft having end crank portions, means for positioning the shaft with the crank portions thereof disposed above the brush and including cooperating bearing portions provided on the upper and lower members, and means for turning the shaft to engage the crank portions with the brush to confine the latter in place with respect to said stops and to disengage the crank portions from the brush.

2. In a suction cleaner, a nozzle construction including upper and lower members and fastening means for connecting the members in abutment relation, the lower member including an inner wall bounding the suction opening and an outer wall spaced from the inner wall to define a brush slot, said inner wall having parallel side portions joined by rounded end portions to define a suction opening which is elongated and has rounded ends and the outer wall having parallel side portions and rounded end portions corresponding to the side and end portions of the inner wall to provide for the brush slot surrounding the suction opening, said upper member covering the lower member and having inner and boundary abutment portions cooperating with abutment portions of the latter, the abutment portion of the lower member cooperating with said bound-.

ary abutment portion of the upper member being constituted by the adjacent edge of the outer wall, said upper and lower members having abuttlngwall elements forming a suction passage communicating with the suction opening, a brush in' the brush slot and having parallel side portions joined by rounded end portions, stops for limiting outward motion of the brush, a shaft having and crank portions, means for positioning the shaft above one side portion of the slot with the crank portions disposed above the brush sub stantially midway of the rounded end portions of the latter, the last-named means including cooperating bearing portions provided on the upper and lower members in order that the shaft may be positioned incident to assembly of the latter, and an actuatingmember operable externally of the nozzle construction for turning the shaft to engage the crank portions with the brush to hold thelatter in position with respect to the stops and to disengage the crank portions from the brush.

CHARLES H. TAYLDR.

REFEXENCES CKTEE The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,348,585 Rosenfield Aug. 3, 1920 1,753,799 Martinet Apr. 8, 1930 2,024,360 Heinrich Dec. 17, 1935 2,310,554 Seyfried Feb. 9 1943