US3551935A - Foam generator for a floor care machine - Google Patents

Foam generator for a floor care machine Download PDF

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Publication number
US3551935A
US3551935A US798550A US3551935DA US3551935A US 3551935 A US3551935 A US 3551935A US 798550 A US798550 A US 798550A US 3551935D A US3551935D A US 3551935DA US 3551935 A US3551935 A US 3551935A
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United States
Prior art keywords
brush
liquid
sponge
care machine
floor care
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Expired - Lifetime
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US798550A
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Paul E Gaudry
Edouard Gaudry
Raymond Descarries
James Anderson
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Hillshire Brands Co
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 MEZZANINE INVESTMENT PARTNERSHIP - 9, WESRAY CAPITAL CORPORATION, BANCBOSTON INVESTMENTS INC.,, WELLS FARGO & CO., FIRST BOSTON SECURITIES CORP. reassignment FIRST BOSTON MEZZANINE INVESTMENT PARTNERSHIP - 9 SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ELECTROLUX CORPORATION A CORP. OF DE.
Assigned to FIRST BOSTON MEZZANINE INVESTMENT PARTNERSHIP - 9, WESRAY CAPITAL CORPORATION, FIRST BOSTON SECURITIES CORP., WELLS FARGO & CO., BANCBOSTON INVESTMENTS INC. reassignment FIRST BOSTON MEZZANINE INVESTMENT PARTNERSHIP - 9 SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ELECTROLUX CORPORATION
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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4091—Storing or parking devices, arrangements therefor; Means allowing transport of the machine when it is not being used
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/32—Carpet-sweepers
    • A47L11/325—Shampoo devices for carpet-sweepers
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4075—Handles; levers

Definitions

  • the invention relates to a multi-brush combined floor polisher-rug scrubber machine of the type generally known from such US. Patents as 3,153,251, 3,186,022 and 3,275,760.
  • the known floor polishers have not been entirely satisfactorily adapted for rug shampooing use because foam generating means, whereby a liquid shampoo is converted a to foam, has not been adequate. That is, if a liquid shampoo for rug cleaning is not sufficiently agitated the liquid wets the rug backing. As the rug dries discoloring materials in the rug backing are drawn by capillary action to the exposed surface of the rug resulting in browning or staining.
  • liquid shampoo is conducted to a rug scrubbing brush having a sponge-like element integral therewith whereby the liquid shampoo is effectively converted to foam to prevent Wetting and the resultant staining.
  • a machine according to this invention is provided with labarinth seals surrounding each brush spindle to prevent entry of foam into the motor compartment.
  • An object of the invention is to provide a floor polisher which is quickly and conveniently adapted for use as a rug scrubber with improved foam generating means.
  • FIG. 1 is a top plan view of a foam generating brush according to the invention.
  • FIG. 2 is a partial cross-sectional view taken on line 2, 2 of FIG. 1.
  • FIG. 3 is a bottom plan view of the brush shown in FIG. 1 partly broken away.
  • FIG. 4 is a schematic exploded view illustrating the method of manufacturing a foaming brush according to the invention.
  • FIG. 5 is a schematic, partly cross-sectioned, perspective view of a polisher having a pair of foaming brushes according to the invention.
  • FIG. 6 is a schematic view of a three brush polisher having foaming brushes and illustrating the foaming action of a three brush arrangement.
  • FIGS. 1 to 6 illustrate a foam generating brush for use with the floor care machine used for rug shampooing.
  • the brush back 80a is provided with an annular channel 3,551,935 Patented Jan. 5, 1971 surrounding the hub portion 72.
  • the channel 85 receives liquid shampoo from a hose or conduit 86, the other end of which is connected to a shampoo bottle (not shown).
  • the bottle of shampoo and associated hose deliver liquid shampoo into channel 85 in the brush back.
  • the shampoo liquid flows from channel 85 into the sponge disc 81 via a plurality of radially extending holes 85a which are located at the periphery of the channel 85 so that the liquid passes by centrifugal force into the sponge disc 81, entering the sponge adjacent to the inner boundary of the annulus formed by the bristle tufts.
  • the liquid shampoo travels by capillary action, and under the influence of centrifugal force, to the outer periphery of the sponge disc.
  • the sponge discs attached thereto are compressed and expanded (FIGS. 31 and 32) so that a pumping effect takes place which causes agitation of the liquid to thereby generate foam.
  • the liquid travels radially across the brush body from the inside out the bristles absorb some of the liquid which is foamed in the bristle tufts by agitation as each tuft moves over a rug.
  • the foaming liquid may be fed to only one of two or three brushes, the liquid being deposited in the channel 85 (FIG. 2).
  • the liquid passes under centrifugal force, into the sponge disc 81 via the holes 85a in the channel 85 and reaches the periphery of the sponge.
  • the brushes rotate the wetted sponge is compressed against the adjacent sponge disc as best shown in FIG. 5 thus agitating and aerating the liquid and the foam thus generated builds up within the brush well of the machine and is deposited on the rug (not shown).
  • the liquid passes from one brush to the other.
  • a three brush device as illustrated in FIG.
  • liquid may be fed only onto brush 81a but it is transferred from brush 81a to brush 81b and then to the third brush 81c.
  • the liquid may be fed directly to each brush, however it has been found in practice that satisfactory foaming without wetting the floor covering being cleaned is obtained by supplying the liquid to only one brush and any excess liquid which would cause wetting is picked up by a sponge disc which does not have a separate supply of liquid.
  • a scrubbing brush comprising a brush back member having first and second axially spaced surfaces, a hub projecting from one of said axially spaced surfaces of the back member, a sponge member adjacent to the other of said surfaces, the diameter of said sponge member being larger than the diameter of the brush back, a plurality of bristle tufts bent over the bight portion of a generally U-shaped wire and extending in the direction opposite to the leg portions of the U-shaped wire, the leg portions of said U-shaped wire extending through said sponge member and being attached to said back member for securing said sponge member and bristles to said back member, and means on said back member for conducting a liquid to said sponge member.
  • a scrubbing brush according to claim 1 wherein said means for conducting liquid to said sponge member comprises a channel in said back member surrounding said hub, an aperture in said back member extending from said channel to the opposite surface of said back member, said sponge member overlying said aperture at said opposite surface.
  • a scrubbing brush according to claim 2 wherein said bristle tufts define a generally annular bristle body extending from said brush back, said channel having an outer peripheral margin substantially aligned with the inner margin of said bristle body, said aperture extending axially substantially between said aligned margins whereby said liquid is delivered to said innermost tufts of said bristle body and is transmitted radially outwardly through said sponge by capillary action and centrifugal force when said brush is rotated in normal use.

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  • Brushes (AREA)
  • Devices For Medical Bathing And Washing (AREA)

Abstract

A SCRUBBING BRUSH FOR A FLOOR CARE MACHINE IN WHICH A DISC OF SPONGE MATERIAL IS ATTACHED TO A SURFACE OF THE BRUSH BACK BY THE BRISTLE WIRES. THE DISC OF SPONGE MATERIAL HAS A LARGER DIAMETER THAN THE BRUSH BACK DIAMETER AND THE BRUSH BACK IS PROVIDED WITH A WELL HAVING OPENINGS TO FEED A FOAMING LIQUID THROUGH THE BRUSH BACK TO THE SPONGE MATERIAL.

Description

Jan. 5, 1971 P. E. GAUDRY ETAL 3,551,935
' FOAM GENERATOR FOR A' FLOOR CARE MACHINE Original Filed June 20, 1967 2 Sheets-Sheet 1 THEIR ATTORNEY Jan. 5, 1971 P. a. GAUDRY EI'AL v FOAM GENERATOR on A'YFLO'OR GARE MACHINE 2 Sheets-Sheet 2 Original Filed June 20, 1967 w YEN z am: 5 552 R was: 2 00 u mi E5906 Vmwmm U mmfxh MWJ.
THUR ATTORNEY United States Patent 3,551,935 FOAM GENERATOR FOR A FLOOR CARE MACHINE Paul E. Gaudry, Laval des Rapides, Quebec, Edouard Gaudry, St. Laurent, Quebec, Raymond Descarrles, Montreal, Quebec, and James Anderson, Baie dUrfe, Quebec, Canada, assignors, by mesne assignments, to Consolidated Foods Corporation, Chicago, Ill., a corporation of Maryland Original application June 20, 1967, Ser. No. 647,378, now Patent No. 3,469,272. Divided and this application Dec. 19, 1968, Ser. No. 798,550
Int. Cl. A46b U.S. Cl. -180 3 Claims ABSTRACT OF THE DISCLOSURE A scrubbing brush for a fioor care machine in which a disc of sponge material is attached to a surface of the brush back by the bristle wires. The disc of sponge material has a larger diameter than the brush back diameter and the brush back is provided with a well having openings to feed a foaming liquid through the brush back to the sponge material.
This application is a division of Ser. No. 647,378, filed June 20, 1967, now Pat. No. 3,469,272.
BACKGROUND OF THE INVENTION The invention relates to a multi-brush combined floor polisher-rug scrubber machine of the type generally known from such US. Patents as 3,153,251, 3,186,022 and 3,275,760.
The known floor polishers have not been entirely satisfactorily adapted for rug shampooing use because foam generating means, whereby a liquid shampoo is converted a to foam, has not been adequate. That is, if a liquid shampoo for rug cleaning is not sufficiently agitated the liquid wets the rug backing. As the rug dries discoloring materials in the rug backing are drawn by capillary action to the exposed surface of the rug resulting in browning or staining.
According to the invention liquid shampoo is conducted to a rug scrubbing brush having a sponge-like element integral therewith whereby the liquid shampoo is effectively converted to foam to prevent Wetting and the resultant staining. Further due to the improved foam generation a machine according to this invention is provided with labarinth seals surrounding each brush spindle to prevent entry of foam into the motor compartment.
An object of the invention is to provide a floor polisher which is quickly and conveniently adapted for use as a rug scrubber with improved foam generating means.
FIG. 1 is a top plan view of a foam generating brush according to the invention.
FIG. 2 is a partial cross-sectional view taken on line 2, 2 of FIG. 1.
FIG. 3 is a bottom plan view of the brush shown in FIG. 1 partly broken away.
FIG. 4 is a schematic exploded view illustrating the method of manufacturing a foaming brush according to the invention.
FIG. 5 is a schematic, partly cross-sectioned, perspective view of a polisher having a pair of foaming brushes according to the invention.
FIG. 6 is a schematic view of a three brush polisher having foaming brushes and illustrating the foaming action of a three brush arrangement.
FIGS. 1 to 6 illustrate a foam generating brush for use with the floor care machine used for rug shampooing.
The brush back 80a is provided with an annular channel 3,551,935 Patented Jan. 5, 1971 surrounding the hub portion 72. The channel 85 receives liquid shampoo from a hose or conduit 86, the other end of which is connected to a shampoo bottle (not shown). The bottle of shampoo and associated hose deliver liquid shampoo into channel 85 in the brush back. The shampoo liquid flows from channel 85 into the sponge disc 81 via a plurality of radially extending holes 85a which are located at the periphery of the channel 85 so that the liquid passes by centrifugal force into the sponge disc 81, entering the sponge adjacent to the inner boundary of the annulus formed by the bristle tufts. The liquid shampoo travels by capillary action, and under the influence of centrifugal force, to the outer periphery of the sponge disc. As the brushes rotate, the sponge discs attached thereto are compressed and expanded (FIGS. 31 and 32) so that a pumping effect takes place which causes agitation of the liquid to thereby generate foam. Also, since the liquid travels radially across the brush body from the inside out the bristles absorb some of the liquid which is foamed in the bristle tufts by agitation as each tuft moves over a rug.
In operation, as shown schematically in FIGS. 31 and 32 the foaming liquid may be fed to only one of two or three brushes, the liquid being deposited in the channel 85 (FIG. 2). The liquid passes under centrifugal force, into the sponge disc 81 via the holes 85a in the channel 85 and reaches the periphery of the sponge. As the brushes rotate the wetted sponge is compressed against the adjacent sponge disc as best shown in FIG. 5 thus agitating and aerating the liquid and the foam thus generated builds up within the brush well of the machine and is deposited on the rug (not shown). At the same time the liquid passes from one brush to the other. In a three brush device as illustrated in FIG. 5 liquid may be fed only onto brush 81a but it is transferred from brush 81a to brush 81b and then to the third brush 81c. Alternatively of course the liquid may be fed directly to each brush, however it has been found in practice that satisfactory foaming without wetting the floor covering being cleaned is obtained by supplying the liquid to only one brush and any excess liquid which would cause wetting is picked up by a sponge disc which does not have a separate supply of liquid.
What is claimed is:
1. A scrubbing brush comprising a brush back member having first and second axially spaced surfaces, a hub projecting from one of said axially spaced surfaces of the back member, a sponge member adjacent to the other of said surfaces, the diameter of said sponge member being larger than the diameter of the brush back, a plurality of bristle tufts bent over the bight portion of a generally U-shaped wire and extending in the direction opposite to the leg portions of the U-shaped wire, the leg portions of said U-shaped wire extending through said sponge member and being attached to said back member for securing said sponge member and bristles to said back member, and means on said back member for conducting a liquid to said sponge member.
2. A scrubbing brush according to claim 1 wherein said means for conducting liquid to said sponge member comprises a channel in said back member surrounding said hub, an aperture in said back member extending from said channel to the opposite surface of said back member, said sponge member overlying said aperture at said opposite surface.
3. A scrubbing brush according to claim 2 wherein said bristle tufts define a generally annular bristle body extending from said brush back, said channel having an outer peripheral margin substantially aligned with the inner margin of said bristle body, said aperture extending axially substantially between said aligned margins whereby said liquid is delivered to said innermost tufts of said bristle body and is transmitted radially outwardly through said sponge by capillary action and centrifugal force when said brush is rotated in normal use.
References Cited UNITED STATES PATENTS Smalley 15-180 Petty 15-180 Backlund 15180UX Wallace 1550 Helm 15-480 4 3,121,895 2/1964 Burgoon 15-50 3,121,897 2/1954 Lambrich 15114UX 3,443,272 4/1959 Trelc et a1. 1s 50x FOREIGN PATENTS 5 1,006,829 4/1957 Germany 300-21 779,187 7/1957 Great Britain 1s 114 PETER FELDMAN, Primary Examiner US. 01. X.R. 15 50, 114
US798550A 1967-06-20 1968-12-19 Foam generator for a floor care machine Expired - Lifetime US3551935A (en)

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Application Number Priority Date Filing Date Title
US64737867A 1967-06-20 1967-06-20
US79854968A 1968-12-19 1968-12-19
US79855068A 1968-12-19 1968-12-19

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US647378A Expired - Lifetime US3469272A (en) 1967-06-20 1967-06-20 Floor and rug treating apparatus
US798549*A Expired - Lifetime US3631559A (en) 1967-06-20 1968-12-19 Articulated handle for a floor care machine
US798550A Expired - Lifetime US3551935A (en) 1967-06-20 1968-12-19 Foam generator for a floor care machine

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US647378A Expired - Lifetime US3469272A (en) 1967-06-20 1967-06-20 Floor and rug treating apparatus
US798549*A Expired - Lifetime US3631559A (en) 1967-06-20 1968-12-19 Articulated handle for a floor care machine

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FR (1) FR1570952A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845799A (en) * 1988-03-18 1989-07-11 Amundson Arlen G Liquid containing scrubbing brush
US5050262A (en) * 1987-03-05 1991-09-24 Malish Terrance J Floor maintenance brush or the like
WO1998003095A1 (en) * 1996-07-22 1998-01-29 State Chemical Manufacturing Intellibrush cleaning system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1569414A (en) * 1976-03-04 1980-06-18 Dixon & Co Ltd R D Brush retention means for floor treating machines
US4644605A (en) * 1985-03-25 1987-02-24 Bissell Inc. Stick vacuum cleaner
USRE32751E (en) * 1985-03-25 1988-09-20 Bissell Inc. Stick vacuum cleaner
US5255768A (en) * 1991-09-26 1993-10-26 Rexair, Inc. Cord winder apparatus for a vacuum cleaner system
US5873147A (en) * 1996-08-27 1999-02-23 Hintz; Kurtis W. Multi-planar golf cart handle
US6108862A (en) * 1998-05-08 2000-08-29 The Hoover Company Hand grip and upper handle assembly for a self-propelled upright vacuum cleaner
US6715178B2 (en) * 2002-06-05 2004-04-06 Pasquale Graceffo Floor polisher conversion kit
CA2517694C (en) * 2003-04-26 2009-07-28 Panasonic Corporation Of North America Rotating operating handle for vacuum cleaner
WO2005032735A2 (en) * 2003-09-29 2005-04-14 Electrolux Home Care Products, Ltd. Floor cleaning device
DE10360898A1 (en) * 2003-12-23 2005-07-21 BSH Bosch und Siemens Hausgeräte GmbH clothes dryer
US7533439B2 (en) * 2004-06-25 2009-05-19 Healthy Gain Investments Limited Handle assembly for a cleaning apparatus
AU2006206657A1 (en) * 2005-01-18 2006-07-27 Electrolux Homecare Products, Inc. Vacuum cleaner with collapsible handle
US20060272120A1 (en) * 2005-06-01 2006-12-07 Kenneth Barrick Extraction cleaner
US8528167B2 (en) 2011-01-05 2013-09-10 Panasonic Corporation Of North America Nozzle assembly including cord reel and agitator drive motor
US8844095B2 (en) 2011-01-05 2014-09-30 Panasonic Corporation Of North America Floor care apparatus with cord reel and nozzle assembly
CN106163738B (en) * 2014-04-30 2019-03-08 胡斯华纳有限公司 Grinder or polishing machine
JP1739008S (en) * 2022-01-20 2023-03-14 floor cleaning machine
USD1047324S1 (en) * 2022-10-26 2024-10-15 Lindhaus S.R.L. Machine for cleaning floors

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* Cited by examiner, † Cited by third party
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US2821258A (en) * 1954-09-09 1958-01-28 Toro Mfg Corp Of Minnesota Combined adjusting arm and carrying handle
NL302489A (en) * 1962-12-28
GB1036643A (en) * 1963-04-19 1966-07-20 Electrolux Ltd Improvements in or relating to shafts for floor-treating apparatus
US3212117A (en) * 1963-06-25 1965-10-19 Sunbeam Corp Foam generating floor conditioner
US3216035A (en) * 1963-07-11 1965-11-09 Electrolux Ab Surface treating apparatus
US3275760A (en) * 1963-07-11 1966-09-27 Electrolux Ab Cordwinder
US3216047A (en) * 1963-07-11 1965-11-09 Electrolux Ab Surface treating apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5050262A (en) * 1987-03-05 1991-09-24 Malish Terrance J Floor maintenance brush or the like
US4845799A (en) * 1988-03-18 1989-07-11 Amundson Arlen G Liquid containing scrubbing brush
WO1998003095A1 (en) * 1996-07-22 1998-01-29 State Chemical Manufacturing Intellibrush cleaning system
US6315481B1 (en) * 1996-07-22 2001-11-13 State Industrial Products Self-contained cleaning system including integral bottle

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US3631559A (en) 1972-01-04
US3469272A (en) 1969-09-30
FR1570952A (en) 1969-06-13

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