CH329695A - Dust extractor - Google Patents

Dust extractor

Info

Publication number
CH329695A
CH329695A CH329695DA CH329695A CH 329695 A CH329695 A CH 329695A CH 329695D A CH329695D A CH 329695DA CH 329695 A CH329695 A CH 329695A
Authority
CH
Switzerland
Prior art keywords
dust extractor
extractor
dust
Prior art date
Application number
Other languages
French (fr)
Inventor
Errol Duff Jack
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
Publication of CH329695A publication Critical patent/CH329695A/en

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
    • A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Handcart (AREA)
  • Electric Suction Cleaners (AREA)
CH329695D 1955-03-18 1956-03-19 Dust extractor CH329695A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US329695XA 1955-03-18 1955-03-18
US783066XA 1955-03-28 1955-03-28

Publications (1)

Publication Number Publication Date
CH329695A true CH329695A (en) 1958-05-15

Family

ID=26709117

Family Applications (1)

Application Number Title Priority Date Filing Date
CH329695D CH329695A (en) 1955-03-18 1956-03-19 Dust extractor

Country Status (5)

Country Link
BE (1) BE546205A (en)
CH (1) CH329695A (en)
FR (1) FR1148098A (en)
GB (2) GB783058A (en)
NL (2) NL205489A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016965C2 (en) * 1980-05-02 1983-04-14 Siemens AG, 1000 Berlin und 8000 München Vacuum cleaner with a suction nozzle arranged directly on the housing and an additional suction nozzle

Also Published As

Publication number Publication date
FR1148098A (en) 1957-12-03
GB783058A (en) 1957-09-18
NL205489A (en)
BE546205A (en)
GB783066A (en) 1957-09-18
NL102088C (en)

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