US2219911A - Vacuum cleaner with auxiliary dustreceiving bag - Google Patents

Description

S. F.. WELLS Oct; 29, 1940.

VACUUM CLEANER WITH AUXILIARY DUST-RECEIVING BAG 2 Sheets-Sheet 1 Filed Aug. 21, 1939 Oct. 29, 1940.

VACUUM CLEANER WITH AUXILIARY DUST-RECEIVING BAG 1 s. F. WELLS 2,219,911 7 Filed Aug. 21, 19:59 2 Sheets-Sheet 2 v I J avenzor Patented Oct. 29,

UNITED STATES PA-TENT OFFICE VACUUM CLEANER WITH AUXILIARY DUST- BECEIVING BAG Sherman F. Wells, Minneapolis, Application August 21, lasa'serlal No. 291,133-

Vacuum cleaners, as is well-known, very genw erally include a dust-receiving bag which is pervious-to the outward passage of air, but impervious to the passage of dust.

My inventlonprovides an auxiliary or second-. arybag into which the dust mop orthe likemay 15 be inserted for the discharge of lint, dust and the like. This auxiliary or secondary bag is provided with a discharge tube-thatis connected or connectable to the intake of the fan or blower 'of the vacuum cleaner. In the preferred arrangement, 20 this auxiliary or secondary bag is incorporated in the dust-receiving bag of the vacuum cleaner.-

Valve mechanism is provided whereby,-w n the normal or customary air inlet to the fan the discharge tube, from the auxiliary bag will be closed and, conversely, when the main or ens-- tomary inlet tothe fan is closed, the discharge tube from the auxiliary bag will be closed. The.

invention may be incorporated in connectio with any vacuum cleaner of the type includin a tam or blower and a dust-receiving bag..

. In the accompanying. drawings, I have illustrated my invention in what, at the present time,

is believed to be a preferred form, incorporated with or applied to a vacuum cleaner or the com- 35. mercially well -known Hoover" type.

In the accompany g drawings, which illustrate the invention in the embodiment indicated- Fig. l is a perspective with some parts broken away and some parts sectioned showing the indllventionapplied to a vacuum cleaner "of the Hoover type;

Fig. 2 is a detail in section on the line 2-:- of

Fig. 1; and

' Fig. 31 a perspective with somefparts broken 4;! away and some partssectioned showing the lower portion oiLthe vacuum cleaner, the upper portion of the bag sh'ucturebeing removed.

Of the parts of the vacuum cleaner proper, the numeral 5 indicates the box or head; the'numeral 6, the dome-like fan casing having the main or normal axial air meral 8 indicates the ro open.

- rotates. This. cup valve 20 has an outstanding '5' at 33 and at its other end is forked 'and entake port I; the nu fan or blower having the customary shalt 9 driven by the customary. electric motor, the casing'of which is indicated by the numeral III; the numeral. ll indicates the'air outlet leading from the fan casing and to whici; the dust-receiving bag t2 is detaohably connected at 13 by the customary or well-known coupling devices indicated at 3. The bag-l2 may, be of the usual constructi t in this instance will preferably be made larger than usual. The numeral [4 indicates the customary handle-bar, the prongs of which are connected to the box or head 5 in the customary manner. The bag l2 at its .upper end is shown as detachably supported from the upper portion of the handle-bar l4 by the cus- 'tomary or any suitable hanger 15.

-In accordance with my invention, I provide a secondary or auxiliary flexible bag l6 and 'this bag, in the preferred, arrangement, is placed within the dust-receiving bag l2 with the walls of the I latter spaced by webs N that are also preferably v quite flexible. Thisfauxiliary or dust-receiving bag It has a flexible but quit heavy dust-discharge tube l8 that is extended downwardand outward through the 'lowerportion of the bag l2 and,a t its outer end is provided with a tubular coupling".

.As a means for closing the normal intake 1 to the fan casing, I-have shown acup-like valve head 2ll preferably of slightly flexible rubber. This cup valve 20, at its axis, is secured to the flanges of a collar 2| mounted for sliding movements on the fan shaft 9 and through which the fan shaft freely nipple 22 that is connected to ajlightly flexible .tube 23; the outer end of which is connected to a tubular metallic elbow 24, which latter is extended through and rigidly secured to the air intake shell 5' of the box or head 5. By means of the coupling IS, the outwardly extended endof the -dis- 7 charge tube I8 is normally detachably connected to the extended end of the elbow 24'. Y

In the elbow 24 is .a butterfly"valve 25,, the stem-o1. which is provided'with' an arm 25 and'a hand-piece 21. Journaled in and extended through the wall orthe shell 5 is a crankshaft '28 provided atlits inner end with a crank-pinequipped heaii' zt and at its outer end with, a crank-head I he crank 01' which latter is. con- 'nectedtotheartnfibyalinkll.

The crank pin of'the head 29 works in the slotted intermediate portion or 'a lever 32,. which, at one end, is pivoted to the interior of theshell sertion or a mophead 1! or the like and its handle 55 2 2,219,911 -11 through the walls of both of said bags, so that the mophead can be placed within the inner bag l6, This is preferably accomplished by providing the two bags with a common entrance When the vacuum cleaner is to be used in the customary way for the usual purposes, lever 2! will be raised so as to close valve 25 and move cup valve 20 downward into a position to freely open the normal air intake port I; When the valves are thus set, no air will be drawn from the inner bag IE, but the vacuum cleaner will pick up dust, lint and the'like in the usual way and discharge the same into the main bag l2.

When lever 21 is pressed downward, valve 25 will open the tube 18 of the inner bag and through lever 32, cup valve 20 will be raised into a position to close'the main air intake port 1, thereby causing dust, lint and the like to be drawn from the inner bag downwardly into the fan casing and from thence blown back into the main bag l2. Obviously, the dust mop, when inserted, as shown in the drawings, can be shaken while subject to suction; and if a freer circulation of air is required to discharge the dust, the slot can be more or less opened to admit air.

As already indicated, I have illustrateda preferred embodiment of my invention, but it will be understood that the same is capable of modifications other than those herein indicated, all

within the scope of my invention herein disclosed and claimed.

What I claim is;

1. In a self-contained vacuum cleaner, a vacuum fan,'a pick-up nozzle, 9, main dust collecting bag having a mop receptacle directly attached thereto and forming a unitary part-thereof, said nozzle and mop receptacle having delivery conduits leading to theintake of said fan, said delivery conduit from said mop receptacle being extended through said main dust collect ing bag, said fan having a. discharge conduit leading to said main bag, a d valve mechanism located in and controlling the opening and closing of said delivery conduits of said nozzle and mop receptacle, said valve mechanism being constructed and arranged, in one position, to simultaneously'open the deliveryconduit of said nozzle and close the delivery conduit of said mop receptacle, and in' another position to simultaneously open the delivery conduit 01 said mop receptacle "and close the delivery conduit of said noz'zle.

2. In a. self-contained vacuum cleaner, a

vacuum fan, a ick-up nozzle, a main dust collecting bag and an auxiliary bag, said nozzle and auxiliary bag having rlelivery conduits leading to the intake of said fan, said fan having a discharge conduit leading to said main bag, and

valve mechanism located in and controlling opening and closing of the delivery conduits of said nozzle and auxiliary bag, said valve mechanism being constructed and arranged, in one position, to simultaneously open the delivery conduit of said nozzle and close the delivery conduit of said auxiliary bag, and in another position to simultaneously open the delivery conduit of said auxiliary bag and close the delivery conduit, of said nozzle, said auxiliary bag being located within said main bag and being provided with an opening through which a dust mop or the like may be inserted into said auxiliary bag.

3; In a self-contained vacuum cleaner, a. vacuum fan, a pick-up nozzle, a main dust collectingl bag and an auxiliary bag, said nozzle and auxiliary bag having delivery conduits leading to the intakeof said fan, said fan having a discharge conduit leading to said main bag, and valve mechanism located in and controlling opening and closing of the delivery conduits of said nozzle and auxiliary bag, said auxiliary bag being located within said main bag and being provided with an opening through which a. dust SHERMAN F. WELLS.

Images