US3753268A - Vacuum cleaner suction tool with oppositely rotating pile agitators for cleaning deep pile shag rugs - Google Patents

Vacuum cleaner suction tool with oppositely rotating pile agitators for cleaning deep pile shag rugs Download PDF

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US3753268A
US3753268A US00204548A US3753268DA US3753268A US 3753268 A US3753268 A US 3753268A US 00204548 A US00204548 A US 00204548A US 3753268D A US3753268D A US 3753268DA US 3753268 A US3753268 A US 3753268A
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pile
nozzle
tool
members
base
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US00204548A
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F Bayless
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Cons Foods Corp
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Cons Foods Corp
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Assigned to FIRST NATIONAL BANK OF BOSTON, THE reassignment FIRST NATIONAL BANK OF BOSTON, THE SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: EL ACQUISITION CORPORATION
Assigned to FIRST BOSTON SECURITIES CORP., WELLS FARGO & CO., BANCBOSTON INVESTMENTS INC.,, WESRAY CAPITAL CORPORATION, FIRST BOSTON MEZZANINE INVESTMENT PARTNERSHIP - 9 reassignment FIRST BOSTON SECURITIES CORP. SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ELECTROLUX CORPORATION A CORP. OF DE.
Assigned to BANCBOSTON INVESTMENTS INC., WELLS FARGO & CO., FIRST BOSTON MEZZANINE INVESTMENT PARTNERSHIP - 9, WESRAY CAPITAL CORPORATION, FIRST BOSTON SECURITIES CORP. reassignment BANCBOSTON INVESTMENTS INC. SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ELECTROLUX CORPORATION
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Assigned to EL ACQUISITION CORPORATION, N/K/A ELECTROLUX CORP. reassignment EL ACQUISITION CORPORATION, N/K/A ELECTROLUX CORP. RELEASE OF SECURITY INTEREST Assignors: BANKBOSTON NA
Assigned to ELECTROLUX CORPORATION reassignment ELECTROLUX CORPORATION RELEASE OF SECURITY INTEREST Assignors: BANCBOSTON INVESTMENTS, INC., FIRST BOSTON MEZZANINE INVESTMENT PARTNERSHIP - 9, FIRST BOSTON SECURITIES CORP., WELLS FARGO & CO., WESTRAY CAPITAL CORPORATION
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0488—Combinations or arrangements of several tools, e.g. edge cleaning tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0427—Gearing or transmission means therefor
    • A47L9/0433—Toothed gearings
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0427—Gearing or transmission means therefor
    • A47L9/0444—Gearing or transmission means therefor for conveying motion by endless flexible members, e.g. belts

Definitions

  • a suction cleaning tool having an elongated sue-- tion nozzle on either side of which and closely adjacent thereto, is a rotatably mounted member for contacting the pile of the rug. These members are caused to rotate in mutually opposite directions with their lower sides turning away from the nozzles.
  • the nozzle and rotating members depend from a base wyich is provided with means, such as wheels or runners at opposite ends thereof, for movably supporting the tool on the rug.
  • the rotating members may be driven by an electric motor or by the wheels through suitable drives which rotate them in opposite directions.
  • FIG. 1 is a top view of a cleaning tool in accordance with my invention
  • FIG. 2 is a cross-sectional view taken on line 2-2 of FIG. I;
  • FIG. 3 is a cross-sectional view taken on the line 3-3 of FIG. 1;
  • FIG. 4 is a fragmentary cross-sectional view similar to FIG. 2 showing a modification of the invention.
  • reference character indicates a frame provided with suitable supporting means, such as runners or the narrow wheels 12 at opposite ends thereof.
  • suitable supporting means such as runners or the narrow wheels 12 at opposite ends thereof.
  • a nozzle 16 Secured to the frame, as by means of bolts 14, one of which is shown in FIG. 1, is a nozzle 16 having an elongated suction opening 18 disposed below the frame and but slightly above the line of the bottom of wheels 12.
  • Nozzle I6 is formed with an outlet opening 20 to which may be connected a hollow wand 22 constituting both a manipulating handle for the tool and a conduit for connecting nozzle 16 to a source of suction.
  • Frame 10 is formed with a cross member 24 adjacent to one end thereof and elongated beater members 26 and 28 are rotatably mounted in bearings supported by the cross member and the opposite end of the frame.
  • the shafts of members 26 and 28 extend through the bearings in cross member 24 and carry a belt pulley 30 and a gear 32, respectively.
  • An electric motor 34 is mounted on a somewhat elevated cross member 36 of the frame and has a shaft carryingaxially spaced pulleys 38 and 40 of the same diameter.
  • Pulley 38 is in line with pulley 30 of rotary member 26 and drives it by means of a belt 42 while pulley 40 is in line with pulley 44 mounted on an idler shaft 46 joumeled in arms 48 and 50 extending upwardly from cross member 24 and the adjacent end of frame 10, respectively.
  • Pulley 40 drives pulley 44 through a belt 52 and, as the pulleys 30 and 44 are of the same diameter, the member 26 and the idler shaft 46 are rotated at the same speed and in the same direction.
  • the idler shaft also carries a gear 54 which meshes with gear 32, and as these gears are of the same diameter, the members 26 and 28 are rotated at the same speed, but in opposite directions.
  • the respective diameters of gears 32 and 54 may be varied so that members 26 and 28 are rotated at different speeds.
  • the direction of rotation of the motor shaft is selected so that the members 26 and 28 turn in the directions shown by the arrows in FIGS. 2 and 3, that is so that the lower portion of each member is turning away from the nozzle 16.
  • beater members 26 and 28 are formed with a plurality of circumferentially spaced axially extending blades or vanes 56 which project radially from the hub portions 58 of the members, or, shown in FIG. 4, as radially projecting rows of bristles 57 may be employed.
  • the single nozzle opening 18 moves in close proximity to both the upper and lower ends of the fibers and therefore is able' to pick up both dirt near the surface and embedded dirt.
  • the narrowness of the wheels 12 enables them to sink into the pile, while preventing the beater members and the nozzle 10 from contacting a hard surface covering, should the tool be placed thereon.
  • a suction cleaning tool for cleaning high pile shag rugs, a base, means for movably supporting said base above the surface of a rug, an elongated suction nozzle depending from said base, a pair of pile contacting elongated members rotatably mounted on said base entirely outside said nozzle and closely adjacent either side of and parallel to said nozzle, and means for rotating said members in mutually opposite directions, the lower portion of each member turning away from said nozzle.
  • each of said pile contacting members includes a plurality of circumferentially spaced radially extending blades.
  • each of said pile contacting members includes a plurality of circumferentially spaced radially extending rows of bristles.
  • a suction tool as defined in claim I which said means for supporting said base comprises apair ofrelatively narrow wheels rotatably mounted at opposite ends of the tool, the axis of said wheels being between the axis of said pile contacting members.

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

Abstract

In accordance with the present invention there is provided a suction cleaning tool having an elongated suction nozzle on either side of which and closely adjacent thereto, is a rotatably mounted member for contacting the pile of the rug. These members are caused to rotate in mutually opposite directions with their lower sides turning away from the nozzles. The nozzle and rotating members depend from a base wyich is provided with means, such as wheels or runners at opposite ends thereof, for movably supporting the tool on the rug. The rotating members may be driven by an electric motor or by the wheels through suitable drives which rotate them in opposite directions.

Description

United States Patent [191 Bayless VACUUM CLEANER SUCTION TOOL WITH OPPOSITELY ROTATING PILE AGITATORS FOR CLEANING DEEP PILE SHAG RUGS [75] lnventor:
[73] Assignee: Consolidated Foods Corporation,
Greenwich, Conn.
Frank K. Bayless, Darien, Conn.
22 Filed: Dec. 3, 1971 211 App]. No.: 204,548
[52] US. Cl. 15/377, 15/384 [51] Int. Cl A47] 9/04 [58] Field of Search 15/377, 383, 384, 15/388 [56] References Cited UNITED STATES PATENTS 1,891,503 12/1932 Smellie 15/384 2,941,232 6/1960 Milbourne 15/384 X Aug. 21, 1973 Primary Examiner-John Petrakes Assistant ExaminerC. K. Moore Attorney-William S. Henry 5 7] ABSTRACT In accordance with the present invention there is provided a suction cleaning tool having an elongated sue-- tion nozzle on either side of which and closely adjacent thereto, is a rotatably mounted member for contacting the pile of the rug. These members are caused to rotate in mutually opposite directions with their lower sides turning away from the nozzles.
The nozzle and rotating members depend from a base wyich is provided with means, such as wheels or runners at opposite ends thereof, for movably supporting the tool on the rug. The rotating members may be driven by an electric motor or by the wheels through suitable drives which rotate them in opposite directions.
4 Claims, 4 Drawing Figures Patented Aug. 21, 1973 3,753,268
1 VACUUM CLEANER SUCTION TOOL WITH OPPOSITELY ROTATING PILE AGITATORS FOR CLEANING DEEP PILE SHAG RUGS BACKGROUND OF THE INVENTION The present day shag rugs have a pile formed of exceedingly long fibers, frequently several inches, thus making them very difficult to vacuum clean. The ordinary suction nozzle, which is elongated in a direction at right angles to the normal direction of movement of the nozzle, tends to dig into the pile, thus making it hard to move the nozzle. Also, as the nozzle will only slide over the fibers, the nozzle opening is held well above the base of the rug thus preventing the air flow from penetrating low enough to remove deeply embedded dirt.
SUMMARY OF THE INVENTION DESCRIPTION OF THE FIGURES FIG. 1 is a top view of a cleaning tool in accordance with my invention;
FIG. 2 is a cross-sectional view taken on line 2-2 of FIG. I;
FIG. 3 is a cross-sectional view taken on the line 3-3 of FIG. 1; and
FIG. 4 is a fragmentary cross-sectional view similar to FIG. 2 showing a modification of the invention.
Referring to the drawings, reference character indicates a frame provided with suitable supporting means, such as runners or the narrow wheels 12 at opposite ends thereof. Secured to the frame, as by means of bolts 14, one of which is shown in FIG. 1, is a nozzle 16 having an elongated suction opening 18 disposed below the frame and but slightly above the line of the bottom of wheels 12. Nozzle I6 is formed with an outlet opening 20 to which may be connected a hollow wand 22 constituting both a manipulating handle for the tool and a conduit for connecting nozzle 16 to a source of suction.
Frame 10 is formed with a cross member 24 adjacent to one end thereof and elongated beater members 26 and 28 are rotatably mounted in bearings supported by the cross member and the opposite end of the frame. The shafts of members 26 and 28 extend through the bearings in cross member 24 and carry a belt pulley 30 and a gear 32, respectively. An electric motor 34 is mounted on a somewhat elevated cross member 36 of the frame and has a shaft carryingaxially spaced pulleys 38 and 40 of the same diameter. Pulley 38 is in line with pulley 30 of rotary member 26 and drives it by means of a belt 42 while pulley 40 is in line with pulley 44 mounted on an idler shaft 46 joumeled in arms 48 and 50 extending upwardly from cross member 24 and the adjacent end of frame 10, respectively. Pulley 40 drives pulley 44 through a belt 52 and, as the pulleys 30 and 44 are of the same diameter, the member 26 and the idler shaft 46 are rotated at the same speed and in the same direction. The idler shaft also carries a gear 54 which meshes with gear 32, and as these gears are of the same diameter, the members 26 and 28 are rotated at the same speed, but in opposite directions. However, if desired, the respective diameters of gears 32 and 54 may be varied so that members 26 and 28 are rotated at different speeds. The direction of rotation of the motor shaft is selected so that the members 26 and 28 turn in the directions shown by the arrows in FIGS. 2 and 3, that is so that the lower portion of each member is turning away from the nozzle 16.
As shown in FIGS. 1, 2 and 3, beater members 26 and 28 are formed with a plurality of circumferentially spaced axially extending blades or vanes 56 which project radially from the hub portions 58 of the members, or, shown in FIG. 4, as radially projecting rows of bristles 57 may be employed.
In operation, when the tool is used on a deep pile rug, the rotation of beater members 26 and 28 in the opposite directions, as indicated by the arrows in FIGS. 2 and 3 as the nozzle is moved back and forth over the rug in the usual manner, causes the blades 56 or bristles 57 to part the pile, thus creating a sort of valley between the members into which the elongated nozzle 16 tends to sink and hence penetrates the pile to a greater depththan otherwise would occur. The rotation of the beaters 26 and 28 also disturbs and dislodges dirt embedded in and adhering to the fibers, which dirt is entrained by the air stream entering the nozzle opening 18 from whence it is conveyed through the hollow wand 22 and connected hose to the suction unit of the vacuum cleaner. In as much as back and forth movement of the tool over the rug causes the nozzles to pass over fibers of the pile while the latter are in inclined positions resulting from the action of the beater members, the single nozzle opening 18 moves in close proximity to both the upper and lower ends of the fibers and therefore is able' to pick up both dirt near the surface and embedded dirt. The narrowness of the wheels 12 enables them to sink into the pile, while preventing the beater members and the nozzle 10 from contacting a hard surface covering, should the tool be placed thereon.
While I have shown more or less specific embodiments of my invention, it is to be understood that this has been done for purposes of illustration only and shall not be considered as limiting the scope of my invention, which is to be determined from the appended claims.
What is claimed is:
1. In a suction cleaning tool for cleaning high pile shag rugs, a base, means for movably supporting said base above the surface of a rug, an elongated suction nozzle depending from said base, a pair of pile contacting elongated members rotatably mounted on said base entirely outside said nozzle and closely adjacent either side of and parallel to said nozzle, and means for rotating said members in mutually opposite directions, the lower portion of each member turning away from said nozzle.
2. A suction tool as defined in claim 1 in which each of said pile contacting members includes a plurality of circumferentially spaced radially extending blades.
3. A suction tool as defined in claim 1 in which each of said pile contacting members includes a plurality of circumferentially spaced radially extending rows of bristles.
4. A suction tool as defined in claim I which said means for supporting said base comprises apair ofrelatively narrow wheels rotatably mounted at opposite ends of the tool, the axis of said wheels being between the axis of said pile contacting members.

Claims (4)

1. In a suction cleaning tool for cleaning high pile shag rugs, a base, means for movably supporting said base above the surface of a rug, an elongated suction nozzle depending from said base, a pair of pile contacting elongated members rotatably mounted on said base entirely outside said nozzle and closely adjacent either side of and parallel to said nozzle, and means for rotating said members in mutually opposite directions, the lower portion of each member turning away from said nozzle.
2. A suction tool as defined in claim 1 in which each of said pile contacting members includes a plurality of circumferentially spaced radially extending blades.
3. A suction tool as defined in claim 1 in which each of said pile contacting members includes a plurality of circumferentially spaced radially extending rows of bristles.
4. A suction tool as defined in claim 1 which said means for supporting said base comprises a pair of relatively narrow wheels rotatably mounted at opposite ends of the tool, the axis of said wheels being between the axis of said pile contacting members.
US00204548A 1971-12-03 1971-12-03 Vacuum cleaner suction tool with oppositely rotating pile agitators for cleaning deep pile shag rugs Expired - Lifetime US3753268A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0302515A2 (en) * 1987-08-06 1989-02-08 Matsushita Electric Industrial Co., Ltd. Suction nozzle device for use in vacuum cleaner
US5086539A (en) * 1990-10-31 1992-02-11 Racine Industries, Inc. Carpet cleaning machine with pattern-oriented vacuum nozzle
WO1995028121A1 (en) * 1994-04-15 1995-10-26 Vorwerk & Co. Interholding Gmbh Nozzle for a vacuum cleaner
US5761764A (en) * 1996-10-15 1998-06-09 Racine Industries, Inc. Carpet cleaning machine with improved system for removing dirty material
US6533871B2 (en) 2001-01-12 2003-03-18 Royal Appliance Mfg. Co. Carpet extractor with dual nozzles for dual brushrolls
US20040074038A1 (en) * 2002-10-22 2004-04-22 Lg Electronics Inc. Suction system of cleaner
EP1716801A2 (en) * 2005-04-25 2006-11-02 LG Electronics Inc. Automatic cleaning device
GB2520549A (en) * 2013-11-25 2015-05-27 Hoover Ltd Vacuum cleaner head
DE102014100313A1 (en) * 2014-01-13 2015-07-16 Miele & Cie. Kg Floor care device with a powered brush roller

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1891503A (en) * 1930-12-01 1932-12-20 Hoover Co Suction cleaner
US2941232A (en) * 1959-01-19 1960-06-21 Willis S Clayton Jr Venetian blind cleaner

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1891503A (en) * 1930-12-01 1932-12-20 Hoover Co Suction cleaner
US2941232A (en) * 1959-01-19 1960-06-21 Willis S Clayton Jr Venetian blind cleaner

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0302515A2 (en) * 1987-08-06 1989-02-08 Matsushita Electric Industrial Co., Ltd. Suction nozzle device for use in vacuum cleaner
EP0302515A3 (en) * 1987-08-06 1989-07-26 Matsushita Electric Industrial Co., Ltd. Suction nozzle device for use in vacuum cleaner
US4903369A (en) * 1987-08-06 1990-02-27 Matsushita Electric Industrial Co., Ltd. Suction nozzle device for use in vacuum cleaner
US5086539A (en) * 1990-10-31 1992-02-11 Racine Industries, Inc. Carpet cleaning machine with pattern-oriented vacuum nozzle
WO1995028121A1 (en) * 1994-04-15 1995-10-26 Vorwerk & Co. Interholding Gmbh Nozzle for a vacuum cleaner
US5761764A (en) * 1996-10-15 1998-06-09 Racine Industries, Inc. Carpet cleaning machine with improved system for removing dirty material
US6533871B2 (en) 2001-01-12 2003-03-18 Royal Appliance Mfg. Co. Carpet extractor with dual nozzles for dual brushrolls
US20040074038A1 (en) * 2002-10-22 2004-04-22 Lg Electronics Inc. Suction system of cleaner
EP1716801A2 (en) * 2005-04-25 2006-11-02 LG Electronics Inc. Automatic cleaning device
EP1716801A3 (en) * 2005-04-25 2009-04-29 LG Electronics Inc. Automatic cleaning device
GB2520549A (en) * 2013-11-25 2015-05-27 Hoover Ltd Vacuum cleaner head
WO2015075481A1 (en) * 2013-11-25 2015-05-28 Hoover Limited Vacuum cleaner head
CN105916424A (en) * 2013-11-25 2016-08-31 胡佛有限公司 Vacuum cleaner head
GB2520549B (en) * 2013-11-25 2017-06-14 Hoover Ltd Vacuum cleaner head
DE102014100313A1 (en) * 2014-01-13 2015-07-16 Miele & Cie. Kg Floor care device with a powered brush roller

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