CA2275412C - Self-evacuating vacuum cleaner - Google Patents

Self-evacuating vacuum cleaner Download PDF

Info

Publication number
CA2275412C
CA2275412C CA002275412A CA2275412A CA2275412C CA 2275412 C CA2275412 C CA 2275412C CA 002275412 A CA002275412 A CA 002275412A CA 2275412 A CA2275412 A CA 2275412A CA 2275412 C CA2275412 C CA 2275412C
Authority
CA
Canada
Prior art keywords
pump
tank
vacuum cleaner
opening
chamber
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
CA002275412A
Other languages
English (en)
French (fr)
Other versions
CA2275412A1 (en
Inventor
Robert C. Berfield
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.)
Shop Vac Corp
Original Assignee
Shop Vac 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
Priority claimed from US08/802,333 external-priority patent/US5920955A/en
Application filed by Shop Vac Corp filed Critical Shop Vac Corp
Publication of CA2275412A1 publication Critical patent/CA2275412A1/en
Application granted granted Critical
Publication of CA2275412C publication Critical patent/CA2275412C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0023—Recovery tanks
    • A47L7/0028—Security means, e.g. float valves or level switches for preventing overflow
    • 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
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • 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
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • A47L11/4019—Fill level sensors; Security means to prevent overflow, e.g. float valves
    • 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
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4025—Means for emptying
    • 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
    • A47L11/4027—Filtering or separating contaminants or debris
    • 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
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees
    • 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
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the 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
    • 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
    • A47L11/4077—Skirts or splash guards
    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0023—Recovery tanks
    • A47L7/0038—Recovery tanks with means for emptying the tanks
    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0042—Gaskets; Sealing means

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Valve Device For Special Equipments (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA002275412A 1997-01-15 1998-01-14 Self-evacuating vacuum cleaner Expired - Lifetime CA2275412C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US78424897A 1997-01-15 1997-01-15
US08/784,248 1997-01-15
US08/802,333 1997-02-11
US08/802,333 US5920955A (en) 1996-07-12 1997-02-11 Self-evacuating vacuum cleaner
PCT/US1998/000597 WO1998031270A1 (en) 1997-01-15 1998-01-14 Self-evacuating vacuum cleaner

Publications (2)

Publication Number Publication Date
CA2275412A1 CA2275412A1 (en) 1998-07-23
CA2275412C true CA2275412C (en) 2005-04-12

Family

ID=27120254

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002275412A Expired - Lifetime CA2275412C (en) 1997-01-15 1998-01-14 Self-evacuating vacuum cleaner

Country Status (8)

Country Link
EP (1) EP1006855B1 (xx)
CN (1) CN1130159C (xx)
AU (1) AU724121B2 (xx)
BR (1) BR9806904A (xx)
CA (1) CA2275412C (xx)
DE (1) DE69805419T2 (xx)
HK (1) HK1023709A1 (xx)
WO (1) WO1998031270A1 (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6112366A (en) * 1999-01-20 2000-09-05 Shop Vac Corporation Outlet priming self-evacuation vacuum cleaner
US6119304A (en) * 1999-03-30 2000-09-19 Shop Vac Corporation Self-evacuating vacuum cleaner
DE10335531A1 (de) * 2003-07-31 2005-02-24 Hartmut Wrede Vorrichtung zum Aufsaugen von Flüssigkeiten
DE102007029258A1 (de) * 2007-06-15 2008-12-18 Alfred Kärcher Gmbh & Co. Kg Bodenreinigungsgerät
DE102014107732A1 (de) * 2014-06-02 2015-12-03 Alfred Kärcher Gmbh & Co. Kg Sauggerät für Reinigungszwecke

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179768A (en) * 1977-03-16 1979-12-25 Aktiebolaget Electrolux Vacuum dumping arrangement for a wet/dry vacuum cleaner
US4246676A (en) * 1979-08-15 1981-01-27 Alexander Hallsworth Liquid collecting vacuum container
US5287590A (en) * 1992-09-02 1994-02-22 Yonkers Robert A Wet vacuum/extractor with vacuum priming system
US5465455A (en) * 1994-05-27 1995-11-14 Allen; Harold Overload controlled wet and dry vacuum apparatus

Also Published As

Publication number Publication date
DE69805419D1 (de) 2002-06-20
AU724121B2 (en) 2000-09-14
BR9806904A (pt) 2000-05-16
EP1006855A1 (en) 2000-06-14
CA2275412A1 (en) 1998-07-23
WO1998031270A1 (en) 1998-07-23
CN1243422A (zh) 2000-02-02
CN1130159C (zh) 2003-12-10
DE69805419T2 (de) 2003-02-13
EP1006855B1 (en) 2002-05-15
HK1023709A1 (en) 2000-09-22
AU6022898A (en) 1998-08-07

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20180115