Vacuum cleaner

Sept. 15, 1942. b. c. wilson 2,295,984

VACUUM CLEANER Filed Feb. 17, 1941 2 Sheets-Sheet 1

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-Burgess £ Mfoen

INVENTOR

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ATTORNEYS

Sept. 15, 1942. _{B c} wilson 2,295,984

VACUUM CLEANER

Filed Feb.17, 1941 2 Sheets-Sheet 2

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ATTORNEYS

Patented Sept lS, 1942

2,295,984

UNITED STATES PATENT OFFICE

2,295,984

VACUUM CLEANER Burgess C. Wilson, Oneonta, N. Y.

Application February 17,1941, Serial No. 379,301

Claim.

This invention relates to vacuum cleaners and has for an object to provide a vacuum cleaner in which the air flow will not be obstructed by accumulated dirt to impair the efficiency of the suction device, this object being attained by first causing the dirt to be sucked into an air tight container and then filtering the air through an inverted filtering bag set directly over the dirt container.

A conventional vacuum cleaner accumulates all the collected dirt in a bag and due to the fact that the air is continuously passing through the dirt previously collected and the collected dirt is continuously being added to and building up more and more resistance to the air flow, the : efficiency of the cleaner gradually decreases’ until the accumulated dirt shuts off all the air flow and the bag must be removed and emptied. When the dirt collected happens to be of a dense nature, a comparatively small amount causes this 20 condition.

With the above in mind, the present invention provides a cleaner in which the greater portion of the indrawn dirt falls by gravity and centrifugal force to the bottom of the container and lies dormant there out of the path of the air flow, while the balance is intercepted on the walls of the filtering bag above. Each time the cleaner is shut off, the filtering bag collapses and the accumulated dirt falls into the container below and remains there, leaving the filtering hq_gfree to pass a maximum amount of air when the cleaner is again turned on. By thus purging the air stream of the indrawn dirt, the accumulation of a greater amount of dirt is possible than with the conventional cleaner, and moreover the cleaner remains at a high peak of efficiency through the full capacity of the container.

A further object is to provide a portable vacuum cleaner which may be easily rolled or wheeled from place to place and which will include separable sections nesting together with self-sealing joints actuated by suction when the cleaner is in operation.

A further object is to provide a device of this ‘ character which will be formed of a few strong simple and durable parts, which will be inexpensive to manufacture, and which will not easily get out of order.

With the above and other objects in view, the 50 invention consists of certain novel details of construction and combinations of parte her»in- Th» im™ “* ‘^uua “&lt;*nsus.

^de“^{ribed and} claimed, it being under- roitert ^of the container is ®^tood that various modifications ma? be resorted cross soctinn rm,_ ~ ~ ^Vi v^uviuar to within the scope of the appended data with- a groove 19 wltah S&amp;?he rta (Cl. 183—67) °?*,^departlng from the spirit or sacrificing any of the advantages of the Invention.

^acc°^mPanying drawings forming a part of this specification:

; Figure 1 is a front elevation of a vacuum yp^Hnn constructed in accordance with the insh^ta²4£eLⁿ °^{f the VaCUUm cleane}' i Figure 3 is a longitudinal sectional view of the vacuum cleaner, with the bag in operative poSitatae^eaW riS? ^Plan °^{f the dirt COn}caX^rseaW^g.^{ttOm Ρ1}“ °^{f the fllter}fan utet anH ^{Plan vlew of} the motor ian unit and housing.

. 7 is a detail sectional view showing a ^{baffle lncUned} slightly downwardly to the dirt container, which breaks the fwce of the indrawn dirt laden air and diverts it in tb» direction of the natural swirl createdn th^cS ^action.°^{f the} suction faS. θ ίπΓam ^{8 S}&lt;^{n expIoded} sectional view showing ^ring’ ^the Alter cX sealing ring, and filtering bag gasket

Referring now to the drawings in’which like ^ajacters of reference designate Timtar paS views, 10 designates a rectangular SwhST^ ^{Of gro}<.^{und Wheels 1} ‘SaclTand emitting th ^Upporti°® ^the vacuum cleaner from^pSe toVlace^”⁶ ^ ^fi orrofied container >®^{OmpriSes a} cylindrical

Anelh^w *? *» «ported on the base . ’ x^ab?^w intake pipe 14 enters a sealing ring for the top of the container and within the

SKSrAsw laterally inclined bonnet type baffle 16 The to to?nS «?%? ^{openat 1X3111 ends andb}es οηΛ»! κ ^Ot^^{e n}atural swirl created in the container by the action of the suction fans This bonnet breaks the force of the Indrawn dirt ^ldf^{p ΛνβΓί}® ¹¹¹ the direction of the natural swirl so that the collected dirt will be ^by gravity and centrifugal force on the bottom of the container and Ue domanT there out of the path of the air flow. A conventional coupMng π is secured to the intake pipe ^th® ^atta^chment of various utensil.

-PPCr cdgv portion of the container is ^ltS^i ^{to provld}e a rim 16 of circular housing 38 and are provided with pivotally attached hooks 48 which are engaged underneath undercut lugs 49 formed on the sealing ring 32. Likewise, latches 50 are pivoted on ears 51 carried by the filter casing 23 and are equipped with pivoted hooks 52 which engage over projecting lugs 53 on the sealing ring 32. For holding the filter casing 23 from dislodgement from the dirt container while the cleaner is being maneuvered, latches 54 are pivoted on ears 55 carried by the casing, and are equipped with pivoted hooks 5» which are engaged underneath undercut lugs 57 formed on the dirt container sealing ring 15. τ .ikewi.se, latches 58 are pivoted on lugs 59 on the dirt container 13 and are equipped with pivoted hooks 60 which are engaged over projecting lugs 61 on the dirt container sealing ring.

A bail 62 is secured to the dirt container for maneuvering the cleaner.

Since the operation of the parts has been described as the description of the parts progressed, it is thought the invention will be fully understood without further explanation.