FR821546A - Improvements to vacuum cleaning devices - Google Patents

Improvements to vacuum cleaning devices

Info

Publication number
FR821546A
FR821546A FR821546DA FR821546A FR 821546 A FR821546 A FR 821546A FR 821546D A FR821546D A FR 821546DA FR 821546 A FR821546 A FR 821546A
Authority
FR
France
Prior art keywords
cleaning devices
vacuum cleaning
vacuum
devices
cleaning
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
Application number
Other languages
French (fr)
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.)
Hoover Ltd
Original Assignee
Hoover Ltd
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 Hoover Ltd filed Critical Hoover Ltd
Application granted granted Critical
Publication of FR821546A publication Critical patent/FR821546A/en
Expired 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
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1658—Construction of outlets
    • A47L9/1666—Construction of outlets with filtering means
    • A47L9/1675—Construction of outlets with filtering means movable, revolving or rotary
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/34—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with height adjustment of nozzles or dust-loosening tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR821546D 1936-08-12 1936-08-12 Improvements to vacuum cleaning devices Expired FR821546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR821546T 1936-08-12

Publications (1)

Publication Number Publication Date
FR821546A true FR821546A (en) 1937-12-07

Family

ID=9277404

Family Applications (1)

Application Number Title Priority Date Filing Date
FR821546D Expired FR821546A (en) 1936-08-12 1936-08-12 Improvements to vacuum cleaning devices

Country Status (1)

Country Link
FR (1) FR821546A (en)

Similar Documents

Publication Publication Date Title
FR840966A (en) Improvements to vacuum cleaning devices
FR851682A (en) Improvements to vacuum cleaning devices
FR776330A (en) Improvements to vacuum cleaning devices
FR853422A (en) Improvements to vacuum cleaning devices
FR839773A (en) Improvements to vacuum cleaning devices
FR837970A (en) Improvements to vacuum cleaning devices
FR868292A (en) Improvements to vacuum cleaning devices
FR57892E (en) Improvements to vacuum cleaning devices
FR845474A (en) Improvements to vacuum cleaning devices
FR789358A (en) Improvements to vacuum cleaning devices
FR851680A (en) Improvements to vacuum cleaning devices
FR857335A (en) Improvements to vacuum cleaning devices
FR839433A (en) Improvements to vacuum cleaning devices
FR834389A (en) Improvements to vacuum cleaning devices
FR834388A (en) Improvements to vacuum cleaning devices
FR821754A (en) Improvements to vacuum cleaning devices
FR839774A (en) Improvements to vacuum cleaning devices
FR821755A (en) Improvements to vacuum cleaning devices
FR790281A (en) Improvements to vacuum cleaning devices
FR790232A (en) Improvements to vacuum cleaning devices
FR829137A (en) Improvements to vacuum cleaning devices
FR821546A (en) Improvements to vacuum cleaning devices
FR826728A (en) Improvements to vacuum cleaning devices
FR802169A (en) Improvements to vacuum cleaning devices
FR824084A (en) Improvements to vacuum cleaning devices