US2574683A - Receptacle - Google Patents

Receptacle Download PDF

Info

Publication number
US2574683A
US2574683A US643157A US64315746A US2574683A US 2574683 A US2574683 A US 2574683A US 643157 A US643157 A US 643157A US 64315746 A US64315746 A US 64315746A US 2574683 A US2574683 A US 2574683A
Authority
US
United States
Prior art keywords
bag
aperture
tube
mouth
secured
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US643157A
Inventor
Anderson Emil
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrolux Corp
Original Assignee
Electrolux Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electrolux Corp filed Critical Electrolux Corp
Priority to US643157A priority Critical patent/US2574683A/en
Application granted granted Critical
Publication of US2574683A publication Critical patent/US2574683A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1427Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
    • A47L9/1436Connecting plates, e.g. collars, end closures
    • A47L9/1445Connecting plates, e.g. collars, end closures with closure means
    • A47L9/1454Self-sealing closures, e.g. valves

Definitions

  • This invention relates to receptacles and is particularly concerned with dust receptacles for suction cleaners and the mounting and attaching means therefore together with the structural features of the cleaner which cooperate with the dust receptacle.
  • the invention relates to dust bags for vacuum cleaners and the manner of attachment and more particularly to selfclosing dust bags, preferably disposable porous bags of paper or the like which are retained in position when in use by the action of the selfclosing construction.
  • Each of the above referred to prior inventions provides a dust bag, the mouth of which is normally closed by a pair of cooperating leaf springs which, when the bag of the prior devices is not in operating position, lie substantially parallel and thus through attachment with the bag mouth normally retain the mouth closed.
  • the iiexibility of the leaf springs is such that they act to secure the open mouthed bag in position and sealed to the inlet tube of the front cover of a vacuum cleaner.
  • the invention provides for the removal of the bag from the cleaner by and with removal of the front cover and further provides for automatic closing of the bag when it is withdrawn from its resilient engagement with the cover. Obvious advantages in ease of manipulation and cleanliness in handling are thus achieved.
  • a like security of sealing is achieved by the use of resilient material such as rubber to which the porous receptacle is secured, the rubber being provided with normally closed slits and being deformable to receive therethrough the air inlet portion of the cover and by its resiliency it Will sealingly engage such cover and will secure the bag to the cover.
  • resilient material such as rubber to which the porous receptacle is secured
  • the rubber being provided with normally closed slits and being deformable to receive therethrough the air inlet portion of the cover and by its resiliency it Will sealingly engage such cover and will secure the bag to the cover.
  • Obvious advantages of economy in manufacture may be achieved by the simplicity of the present construction.
  • the present invention is also concerned with other novel and improved structural features and advantages.
  • a further object of the invention is to provide a receptacle which embodies mouth opening tabs for improving the facility of manipulation thereof.
  • Fig. 1 is a view partly in section showing the bag of the present invention as applied to a conventional type of suction cleaner
  • Fig. 2 is a fragmentary view looking toward the front of the bag when applied as in Fig. 1;
  • Fig. 3 is a front view of the bag of Fig. 2 detached and with the mouth closed;
  • Fig. 4 is a fragmentary view of the inside of a bag mouth formed in accordance with a modification of the present invention.
  • Fig. 5 is an external view of the bag mouth shown in Fig. 4 when in detached position.
  • numeral I0 indicates a suction cleaner housing, within Which is located a conventional motor-fan unit I I, and a conventional dust separating cloth bag I2 and a paper dust bag I3 of the present invention located Within the cloth bag I2.
  • the motor-fan unit produces the flow of air from left to right through the casing I0 as shown in Fig. 1, drawing air through a, flexible hose I4 connecting in the inlet opening of the front cover I5.
  • the dust and dirt is separated from the air as it passes through the paper bag I3 and the clean air flows through the cloth bag I2 and out through the rear end of the housing I0.
  • the cloth bag I2 is secured to the housing I0 by engagement with a gasket I1 mounted between the housing I0 and the front cover I5.
  • the paper receptacle I3 is secured on the front cover I5 independently of the housing I0 by engagement with a square inlet tube I8 associated with the suction opening.
  • the inlet tube I8 as here shown is of rectangular cross-section, but as indicated in Figs. 4 and 5 a circular tube may be employed with a modification of the bag mouth to conform therewith.
  • the bag body I3 which is preferably formed of porous paper or other like inexpensive material is preferably rectangular in cross-section, its forward edges I9 being folded over and secured as self-closing mouth conforming in coniiguration with the tube i8 and the aperture of the cardboard 2i by the provision of Wings 23 formed by parallel transverse cuts 24 and a vertical cut 25.
  • Each Wing is also provided with-a manipulating tab 28 by which the Wings may be opened outwardly as indicated in Fig. ⁇ 2 to permit application or the bag to the tube to which it is frictionally secured by the resilient pressure of the wings against the sides, thereof and/or the frictional engagement o the tube by the walls of the aperture or the cardboard 2i.
  • the bag mouth is withdrawn from its irictional engagement with the tube and the Wings 23 by virtue of their resiliency and integral connection with the surrounding portions of the piece 29 Will fold into the plane of the mouth body to automatically close the bag and permit its disposal without discharge of accumulated dirt.
  • the present inventive concept is susceptible of various modifications to conform the bag mouth to various cong-urations of the inlet tube.
  • the tube 39 is of circular crossseetion and the sponge rubber or like bag end 3i is supported by an internally applied. cardboard ring 32 which may be secured by the staples 33.
  • the self-closing mouth flaps 34 are formed by right angularly intersecting cuts 35 extending across the member 3l from opposite sides of the ring 32.
  • the tube 30 is inserted through the ring 32 pushing inwardly the aps so that they embrace and seal the bag to the tube as shown in Fig. 4.
  • the bag is thus secured to the tube by frictional engagement oi the iiaps 38 and/or by frictional engagement of the ring 32 therewith.
  • the removal of th-e tube permits the flaps 34 to flex into their normal position in the plane of the member 3! as shown in Fig. 5 to thus automatically close the bag mouth.
  • a casing forming a compartment having an opening for the insertion and removal of a dust separating receptacle, a cover for said opening, an inlet conduit extending through said cover and projecting into said compartment, a dust receiving receptacle insertable into said compartment and comprising a rigid wall portion formed with an aperture conforming in size and shape to the outer surface of said conduit, a sheet of self-sustaining resilient material secured to said Wall portion and overlying said aperture, said sheet being formed with -slits defining tongues extending over said aperture, the tongues being integral with the sheet and normally lying in the plane of the sheet with adjacent edges in abutting relationship to substantially close said aperture, said tongues being .displaceable out of the plane of said sheet by the insertion of said conduit in said aperture, the resilient material bending along lines deiined by the edges of said rigid Wall portion bounding said aperture and engaging the outer surface of said conduit to provide a seal between said surface and said Wall portion, and a bag-like member of filtering material
  • a casing forming a compartment having an opening for the insertion and removal of a dust separating receptacle, a cover for said opening, an inlet conduit extending through said cover and having a cylindrical portion projecting into said compartment, a dust receiving receptacle insertable into said compartment and comprising a rigid Wall portion formed with a circular aperture conforming in size and shape to the outer surface of the cylindrical portion of said conduit, a sheet of self-sustaining resilient material secured to said Wall portion and overlying said aperture, said sheet being formed with a plurality of radial slits intersecting near the center of said aperture and deiining a plurality of segment shaped tongues integral with the sheet and normally lying in the plane of the sheet with adjacent adges in abutting relationship to substantially close said aperture, said tongues being displaceable out of the plane of said sheet by the insertion of the cylindrical portion of said conduit into said aperture, the resilient material bending along lines dened by the circular edge of said rigid Wall portion bounding said aperture

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Description

E. ANDERSON Nov. I3, 1951 RECEPTACLE Filed Jan. 24 1946 IN V EN TOR.
Patented Nov. 13,` 1951 2,574,683 REcEP'rAcLE Emil Anderson, Briarcliff Manor, N. Y., assigner .to Electrolux Corporation,
Old Greenwich,
Conn., a corporation of Delaware Application January 24, 1946, Serial No. 643,157
2 Claims. (Cl. 183-51) This invention relates to receptacles and is particularly concerned with dust receptacles for suction cleaners and the mounting and attaching means therefore together with the structural features of the cleaner which cooperate with the dust receptacle.
The present application is an improvement over the inventions disclosed in the earlier filed copending application of Arnold H. Beede, Serial No. 587,756, filed April 11, 1945 (Patent 2,547,805, dated April 3, 1951), and the application of William Traska, Serial No. 608,181, led August 1,
- 1945 (Patent 2,4993 99, dated March 7, 1950) and is designed to meet the same problems therein discussed and thus partakes of the same objects and advantages therein set down. Suflice it therefore to say that the invention relates to dust bags for vacuum cleaners and the manner of attachment and more particularly to selfclosing dust bags, preferably disposable porous bags of paper or the like which are retained in position when in use by the action of the selfclosing construction.
Each of the above referred to prior inventions provides a dust bag, the mouth of which is normally closed by a pair of cooperating leaf springs which, when the bag of the prior devices is not in operating position, lie substantially parallel and thus through attachment with the bag mouth normally retain the mouth closed.
In operating position Within the cleaner, the iiexibility of the leaf springs is such that they act to secure the open mouthed bag in position and sealed to the inlet tube of the front cover of a vacuum cleaner. In this manner, the invention provides for the removal of the bag from the cleaner by and with removal of the front cover and further provides for automatic closing of the bag when it is withdrawn from its resilient engagement with the cover. Obvious advantages in ease of manipulation and cleanliness in handling are thus achieved.
In the present invention a like security of sealing is achieved by the use of resilient material such as rubber to which the porous receptacle is secured, the rubber being provided with normally closed slits and being deformable to receive therethrough the air inlet portion of the cover and by its resiliency it Will sealingly engage such cover and will secure the bag to the cover. Obvious advantages of economy in manufacture may be achieved by the simplicity of the present construction. The present invention is also concerned with other novel and improved structural features and advantages.
Accordingly it is among the objects of the present invention to provide a novel and improved bag closure and bag securing means.
A further object of the invention is to provide a receptacle which embodies mouth opening tabs for improving the facility of manipulation thereof.
Numerous other objects of the present invention will be apparent from a consideration of the following specification taken in conjunction with the accompanying drawings, in which:
Fig. 1 is a view partly in section showing the bag of the present invention as applied to a conventional type of suction cleaner;
Fig. 2 is a fragmentary view looking toward the front of the bag when applied as in Fig. 1;
Fig. 3 is a front view of the bag of Fig. 2 detached and with the mouth closed;
Fig. 4 is a fragmentary view of the inside of a bag mouth formed in accordance with a modification of the present invention, and
Fig. 5 is an external view of the bag mouth shown in Fig. 4 when in detached position.
Referring now to the drawings, numeral I0 indicates a suction cleaner housing, within Which is located a conventional motor-fan unit I I, and a conventional dust separating cloth bag I2 and a paper dust bag I3 of the present invention located Within the cloth bag I2. The motor-fan unit produces the flow of air from left to right through the casing I0 as shown in Fig. 1, drawing air through a, flexible hose I4 connecting in the inlet opening of the front cover I5. When the machine is in operation air enters the casing I Il with entrained dust and dirt removed from the rug or other surface being cleaned. The dust and dirt is separated from the air as it passes through the paper bag I3 and the clean air flows through the cloth bag I2 and out through the rear end of the housing I0. As noted in Fig. 1, it will be seen that the cloth bag I2 is secured to the housing I0 by engagement with a gasket I1 mounted between the housing I0 and the front cover I5. The paper receptacle I3, however, is secured on the front cover I5 independently of the housing I0 by engagement with a square inlet tube I8 associated with the suction opening. The inlet tube I8 as here shown is of rectangular cross-section, but as indicated in Figs. 4 and 5 a circular tube may be employed with a modification of the bag mouth to conform therewith.
The bag body I3 which is preferably formed of porous paper or other like inexpensive material is preferably rectangular in cross-section, its forward edges I9 being folded over and secured as self-closing mouth conforming in coniiguration with the tube i8 and the aperture of the cardboard 2i by the provision of Wings 23 formed by parallel transverse cuts 24 and a vertical cut 25. Each Wing is also provided with-a manipulating tab 28 by which the Wings may be opened outwardly as indicated in Fig.` 2 to permit application or the bag to the tube to which it is frictionally secured by the resilient pressure of the wings against the sides, thereof and/or the frictional engagement o the tube by the walls of the aperture or the cardboard 2i. With the bag thus secured to the tube it will be sealed in position thereon during the cleaning operation and in some instances will continue to be secured thereon when the cover i is removed so that the bag may be conveniently removed from the cleaner by removal ci the cover. When the dirt is to be disposed of, the bag mouth is withdrawn from its irictional engagement with the tube and the Wings 23 by virtue of their resiliency and integral connection with the surrounding portions of the piece 29 Will fold into the plane of the mouth body to automatically close the bag and permit its disposal without discharge of accumulated dirt.
Referring now to Figs. 4 and 5 it will be seen that the present inventive concept is susceptible of various modifications to conform the bag mouth to various cong-urations of the inlet tube. As therein shown, the tube 39 is of circular crossseetion and the sponge rubber or like bag end 3i is supported by an internally applied. cardboard ring 32 which may be secured by the staples 33. In this case the self-closing mouth flaps 34 are formed by right angularly intersecting cuts 35 extending across the member 3l from opposite sides of the ring 32. In applying this form of the invention, the tube 30 is inserted through the ring 32 pushing inwardly the aps so that they embrace and seal the bag to the tube as shown in Fig. 4. In some instances the bag is thus secured to the tube by frictional engagement oi the iiaps 38 and/or by frictional engagement of the ring 32 therewith. As in that form of the invention shown in Figs. 2 and 3, the removal of th-e tube permits the flaps 34 to flex into their normal position in the plane of the member 3! as shown in Fig. 5 to thus automatically close the bag mouth.
It will, of course, be understood that the invention is in no Way limited to the specific structure or details herein set forth and that the invention may be readily applied to various types of receptacles and numerous changes and modifications may be resorted to without departure from the spirit or scope of the invention as outlined in the appended claims.
What I claim is:
1. In a vacuum cleaner, a casing forming a compartment having an opening for the insertion and removal of a dust separating receptacle, a cover for said opening, an inlet conduit extending through said cover and projecting into said compartment, a dust receiving receptacle insertable into said compartment and comprising a rigid wall portion formed with an aperture conforming in size and shape to the outer surface of said conduit, a sheet of self-sustaining resilient material secured to said Wall portion and overlying said aperture, said sheet being formed with -slits defining tongues extending over said aperture, the tongues being integral with the sheet and normally lying in the plane of the sheet with adjacent edges in abutting relationship to substantially close said aperture, said tongues being .displaceable out of the plane of said sheet by the insertion of said conduit in said aperture, the resilient material bending along lines deiined by the edges of said rigid Wall portion bounding said aperture and engaging the outer surface of said conduit to provide a seal between said surface and said Wall portion, and a bag-like member of filtering material secured to said Wall portion.
2. In a vacuum cleaner, a casing forming a compartment having an opening for the insertion and removal of a dust separating receptacle, a cover for said opening, an inlet conduit extending through said cover and having a cylindrical portion projecting into said compartment, a dust receiving receptacle insertable into said compartment and comprising a rigid Wall portion formed with a circular aperture conforming in size and shape to the outer surface of the cylindrical portion of said conduit, a sheet of self-sustaining resilient material secured to said Wall portion and overlying said aperture, said sheet being formed with a plurality of radial slits intersecting near the center of said aperture and deiining a plurality of segment shaped tongues integral with the sheet and normally lying in the plane of the sheet with adjacent adges in abutting relationship to substantially close said aperture, said tongues being displaceable out of the plane of said sheet by the insertion of the cylindrical portion of said conduit into said aperture, the resilient material bending along lines dened by the circular edge of said rigid Wall portion bounding said aperture and engaging the outer surface of the cylindrical portion of said conduit to provide a seal between said surface and said wall portion, and a bag-like member of ltering material secured to said Wall portion.
EMU.. ANDERSON.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 540,322 Leadbetter June 4, 1895 744,846 Williams Nov. 24, 1903 1,629,661 Gerhard May 24, 192'? 1,999,826 Snell Apr. 30, 1935 2,125,354 Meier Aug. 2, 1938 2,132,313 Namiki Oct. 4, 1938 2,272,394 Armstrong Feb. 10, 1942 2.388.279 Nuffer et al. Nov. 6. 1945
US643157A 1946-01-24 1946-01-24 Receptacle Expired - Lifetime US2574683A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US643157A US2574683A (en) 1946-01-24 1946-01-24 Receptacle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US643157A US2574683A (en) 1946-01-24 1946-01-24 Receptacle

Publications (1)

Publication Number Publication Date
US2574683A true US2574683A (en) 1951-11-13

Family

ID=24579595

Family Applications (1)

Application Number Title Priority Date Filing Date
US643157A Expired - Lifetime US2574683A (en) 1946-01-24 1946-01-24 Receptacle

Country Status (1)

Country Link
US (1) US2574683A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737263A (en) * 1953-02-09 1956-03-06 Electrolux Corp Vacuum cleaner filter bag
US2766843A (en) * 1954-09-02 1956-10-16 Hoover Co Filter mounting means
US2776726A (en) * 1954-01-07 1957-01-08 Hoover Co Suction cleaner and filter therefor
US3176450A (en) * 1962-05-25 1965-04-06 A J Weinstein Company Vacuum cleaner bag
US3200571A (en) * 1961-08-30 1965-08-17 Shannah Gale Stone Disposable filter bag
US3237846A (en) * 1964-03-06 1966-03-01 Electrolux Corp End closure for disposable dust bag
US3252274A (en) * 1962-08-01 1966-05-24 Xerox Corp Xerographic powder filter
DE1244062B (en) * 1962-08-02 1967-07-06 Continental Gummi Werke Ag Large container for dusty bulk goods
US3421298A (en) * 1967-03-28 1969-01-14 Electrolux Corp End closure for a disposable vacuum cleaner dust bag
US3432997A (en) * 1967-02-15 1969-03-18 Cons Foods Corp End closure for a disposable vacuum cleaner dust bag
US3452520A (en) * 1967-05-25 1969-07-01 Studley Paper Co Vacuum cleaner filter bags
US20210283534A1 (en) * 2020-03-11 2021-09-16 Hayward Industries, Inc. Disposable Insert For Strainer Basket

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US540322A (en) * 1895-06-04 Bettek
US744846A (en) * 1903-08-27 1903-11-24 George W Williams Self-closing mouth for bags.
US1629661A (en) * 1926-11-23 1927-05-24 Joseph M Gerhard Candy-dispensing box
US1999826A (en) * 1933-03-20 1935-04-30 Roy J Snell Vacuum cleaner bag
US2125354A (en) * 1935-06-15 1938-08-02 Meier Albert John Container
US2132313A (en) * 1937-06-25 1938-10-04 Namiki Ryosuke Closure of ink bottles
US2272394A (en) * 1938-07-05 1942-02-10 Arthur J Reynolds Suction cleaner
US2388279A (en) * 1943-09-27 1945-11-06 Air Way Electric Appl Corp Suction cleaner

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US540322A (en) * 1895-06-04 Bettek
US744846A (en) * 1903-08-27 1903-11-24 George W Williams Self-closing mouth for bags.
US1629661A (en) * 1926-11-23 1927-05-24 Joseph M Gerhard Candy-dispensing box
US1999826A (en) * 1933-03-20 1935-04-30 Roy J Snell Vacuum cleaner bag
US2125354A (en) * 1935-06-15 1938-08-02 Meier Albert John Container
US2132313A (en) * 1937-06-25 1938-10-04 Namiki Ryosuke Closure of ink bottles
US2272394A (en) * 1938-07-05 1942-02-10 Arthur J Reynolds Suction cleaner
US2388279A (en) * 1943-09-27 1945-11-06 Air Way Electric Appl Corp Suction cleaner

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737263A (en) * 1953-02-09 1956-03-06 Electrolux Corp Vacuum cleaner filter bag
US2776726A (en) * 1954-01-07 1957-01-08 Hoover Co Suction cleaner and filter therefor
US2766843A (en) * 1954-09-02 1956-10-16 Hoover Co Filter mounting means
US3200571A (en) * 1961-08-30 1965-08-17 Shannah Gale Stone Disposable filter bag
US3176450A (en) * 1962-05-25 1965-04-06 A J Weinstein Company Vacuum cleaner bag
US3252274A (en) * 1962-08-01 1966-05-24 Xerox Corp Xerographic powder filter
DE1244062B (en) * 1962-08-02 1967-07-06 Continental Gummi Werke Ag Large container for dusty bulk goods
US3237846A (en) * 1964-03-06 1966-03-01 Electrolux Corp End closure for disposable dust bag
US3432997A (en) * 1967-02-15 1969-03-18 Cons Foods Corp End closure for a disposable vacuum cleaner dust bag
US3495386A (en) * 1967-02-15 1970-02-17 Electrolux Corp Self-closing dust bag for a vacuum cleaner
US3421298A (en) * 1967-03-28 1969-01-14 Electrolux Corp End closure for a disposable vacuum cleaner dust bag
US3452520A (en) * 1967-05-25 1969-07-01 Studley Paper Co Vacuum cleaner filter bags
US20210283534A1 (en) * 2020-03-11 2021-09-16 Hayward Industries, Inc. Disposable Insert For Strainer Basket
US12076667B2 (en) * 2020-03-11 2024-09-03 Hayward Industries, Inc. Disposable insert for strainer basket

Similar Documents

Publication Publication Date Title
US2596806A (en) Vacuum cleaner dust bag
US3491519A (en) Vacuum cleaner
US2848062A (en) Filter bag
US2574683A (en) Receptacle
US3755993A (en) Disposable, vacuum cleaner bag
US3675399A (en) Vacuum cleaner
US2784800A (en) Suction cleaners
US2766844A (en) Suction cleaners
US2771152A (en) Suction cleaner and disposable dust bag therefor
US2596808A (en) Self-sealing receptacle for separating dust from an air stream
US2596807A (en) Self-sealing bag for separating dust from an air stream
US2758667A (en) Suction cleaners
US2804167A (en) Suction cleaner filter bags
US3457707A (en) Vacuum cleaner filter bag
US3209523A (en) Filter bag mounting means for suction cleaner
US2582219A (en) Suction cleaning apparatus
US2532933A (en) Dust collecting bag for suction cleaners
US3929437A (en) Seal for disposable dust bags for vacuum cleaners
US2483169A (en) Receptacles with self-closing mouth
US1979873A (en) Soot collector
US2547805A (en) Vacuum cleaner dust bag
US2710072A (en) Suction cleaners
US2016294A (en) Air-method cleaner
US2823761A (en) Dust receptacle
US2795289A (en) Dirt bag for suction cleaner