US1247654A - Renovator. - Google Patents

Renovator. Download PDF

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US1247654A
US1247654A US14457217A US14457217A US1247654A US 1247654 A US1247654 A US 1247654A US 14457217 A US14457217 A US 14457217A US 14457217 A US14457217 A US 14457217A US 1247654 A US1247654 A US 1247654A
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chamber
air
fan
head
communication
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US14457217A
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William W Farnsworth
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/02Nozzles
    • A47L9/08Nozzles with means adapted for blowing
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00Structural features of suction cleaners
    • A47L5/12Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/14Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum cleaning by blowing-off, also combined with suction cleaning
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00Structural features of suction cleaners
    • A47L5/12Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L7/00Suction 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
    • A47L7/04Suction 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 for using the exhaust air for other purposes, e.g. for distribution of chemicals in a room, for sterilisation of the air
    • A47L7/06Suction 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 for using the exhaust air for other purposes, e.g. for distribution of chemicals in a room, for sterilisation of the air for supporting the suction cleaner on the exhaust air
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/20Means for cleaning filters

Definitions

  • This invention relates to improvements in renovators, and one of the objects of the same is to provide .an improved apparatus of this character, whereby a blast of Iair, may be employed for removing and picking up dirt and foreign particles from the surface or article to be renovated.
  • Av further object is to provide improved means'whereby the dust laden air may be cleaned yor purified of the dirt, and the clarified air again used as a blast against the surface to e'ectively and thoroughly clean and renovate the same.
  • the numeral-110 designates generally a cleaning" head.l which may be of any desired size and configuration.
  • the cleaning head is hollowandis providedwith a 'partition 11 dividing the same linto a cu-p- ⁇ shaped'receiving chamber 12 and an air in- 5let chamber 13'.
  • The' chamber 12 is of a substantially cup shape formation, 'having an open bottom which latter is adapted to be placed against and'moved over the surface to be renovated.l
  • the chamber 13 is provlded with any desired number of outlet openings 15,l extending through the bottom ⁇ thereof preferably in close proximity to the bottom'of the chamber 12, and form communication between the two. chambers so that vwhen the cleaning head is placed agalnst and moved over the surface or article to be renovated and closed thereby, the penings 15 will also be moved over the surace.
  • rlhe chamber 13 is provided with an inlet 16 and the chamber 12 is provided with an outlet 17.
  • a fan 18 is suitably mounted and'is operated by a suitable motor 19.
  • the fan casing forms part of the cleaning head and hascommunication with the chamber 12, so that', when the motor is operated, a blast of air currents will be created and will be discharged through the air inlet chamber 13 and out of the openingsl,
  • the separator' is preferably in the form of a tank Which holds a quantity of liquid 22,
  • the members 23 are arranged within the path of the moving air currents, which are discharged into the separator 21 through the opening 24 to strike the membersv 23 and rotate them, causing them to be successively moved through"v the liquid 22.
  • This operation not only filters or sifts the dust from the incoming ⁇ air, but causes the foreign particles of dirt to be-deposited the receptacle, Vwhich latter is provided with a clean-out plug o.
  • outlet opening 26 is a pipe 27 which ⁇ has communication with the inlet 16 of the chamber 13 of the nozzle 10, so that the air currents passing out of the se arator 21 under pressure, will be forced t rough the pipe 27 into the chamber 13'of the nozzle and Yout lof the outlet opening 15, as a blast, di-
  • a handle( 29 is also provided which is pivotally connected as at 30 with the machine2 so that the machine can be readily manlpulated and the openings 15 may be moved over the surface to be renovated.
  • the cleaning head 32 is adapted to be placed in contact with the surface to be renovated and the fan 33 which is operated by the'motor 34 operates in a chamber 35 which has communication with the head.
  • a tube or passage 36 Leading from the chamber 35 is a tube or passage 36 which has communication with the bag 37, of any desired size and'configuration and constructed of any suitable material.
  • This bag forms a receptacle for the dirt and foreign particles removed from the3 vsurface 'and is provided with an open end having a securing means 38 applied to such end to hold the same closed.
  • the bag isdetachably connected with the tube or passage 36 so as to be readily removed therefrom and a flexible member 39 maybe provided for supporting the other end of the receptacle as is usual in devices of this character, from the handle 40.
  • a partition 40 Arranged within the ba orreceptacle 37 is -a partition 40 which orms a filter or screen and is constructed of any suitable material which will permit the air currents to pass therethrough and remove the dirt and foreign particlesfrom the dust laden air.
  • the partition divides the bag or receptacle into two compartments 42, 43, the former ref. provided for supporting the weight of the late the machine.
  • the separator 21 may be provided with a re-v movable closure 31v if desired.
  • the lopenings 15 are preferably in the form of independent openings arranged so as to extend transverselyof .the nozzle 10,
  • the apparatus may be of any desired size and conguration and constructed of any suitable material.
  • a cleaning head having an open bottom, a partition in said head dividing the head into a cup shaped chamber and an inlet chamber, said linlet chamber .having communication with the said cup shaped chamber adjacent the bottom thereof, a vlfan chamber forming a part of and havin open communication 'with the said cup s aped chamber, and a fanin the fan chamber, there being an air outlet passage leading from the said fan chamber and ⁇ discharging into the said inlet chamber.
  • a cleaning head having an vopen intacta ai bottom, a partition in said head dividing the head into a cup shaped chamber and an inlet chamber, said inlet chamber having vcommunication with the said cup shaped chamber adjacent the bottom thereof, a fan chamber forming a part of and having open communication with the said cup shaped chamber, and a fan in the fan chamber, there being an air outlet passage leading from vthe said fan chamber and discharging into the said inlet chamber, said fan bein disposed intermediate the said inlet cham r and the outlet of the said fan chamber.
  • a cleaninghead having an open bottom, a partition in said head dividin the head into a cup shaped chamber and an inlet chamber, said inlet chamber having commul nication with the said cup shaped chamber adjacent the bottom thereof, a fan chamber forming a part of and having open' communication with the said cup shaped chamber, and a fan in the fan chamber, there being an air outlet passage leading from the said fan chamber'and discharging into the said inlet chamber, the outlets from the said fan chamber and the air'inlet chamber being arranged in different horizontal planes.
  • a cleaning head having an open bottom, a partition 1n saii head dividing the head into a cup shaped chamber and an inlet chamber, said inlet chamber having communication with the said cupshaped chamber' adjacent the bottom thereof, a fan 4chamber forming a part of and having open communication with the lsaid cup shaped chamber, a fan in the fan chamber, there beingan air outlet passage leading from the said fan chamber and discharging into the said inlet chamber, and a separator connected with thesaid air passageto receive the dust ladened air therefrom.
  • a cleanin head having an .open bottom, a partition 1n said head dividing the head into a cup shaped chamber and an inlet chamber, sald inlet chamber havin communication with the said cup ⁇ shaped chamber adjacent the bottom thereof, a fan chamber forming a part of and havin ⁇ open communication with the said cup s a ed chamber, and a fan in the fan cham er,
  • a cleaning head having anopen bottom, a partition dividing the head into a cup shaped receiving chamber and an air inlet chamber, said chambers having communication adjacent the bottoms thereof, a fan chamber surmountin and forming a portion of the said-cup s aped chamber, a fan in the chamber, a conduit leading from the fan chamber and discharging into the said air inlet chamber, an operating handle connected with the head, and a separator having communication with said conduit.
  • a self-contained renovator the com- -bination of a cleaning head, having an open bottom, a partition dividing the head into a cup shaped receiving chamber and an air ⁇ inlet chamber, said chambers having comsaid air inlet chamber, an operating handle connected with the head, and a separator having communication with said conduit, the communicating passage between the chambers discharging directly against the surface to be renovated and in such a manner that the blast of air will relieve the weight of the renovator upon said surface.
  • a cleanin head having an open bottom, a partition dividing the head into a cup shaped receiving chamber and an air inlet chamber, said chambers having communication e adjacent the bottoms thereof, a fan chamber surmounting and forming a portion of said cup shaped chamber, a fan in the chamber, a conduit leading from the fan chamber and discharging into the said air inlet chamber, an operating handle connected with the head, a separator having communication with said conduit, andaJ roller connected with the head and coperating with. the forward edge thereof, but spaced from said edge for supporting and guiding, the head.

Description

W. W..FARNSWORTH.
RENOVATOR. APPLICATION FILED IAII.26'. 19|?.
Patented Nov. 27, 1912'.
2 SHEETS-SHEET 2.
CQ/QOOOO@ QQOQOOQOOOOOOUUOUOOOQQ m my@ j INI/ENTOR. william Z0. Fez/rm wo vih.
annova'ron.
maaar..
Specification of Letters Patent.
, -Applioatipn lcd January 26, 1917. eeria1No.'1M,57.
To all whom may camera: I' j Be it known that I, WiLLrAM W. Feinwe- WORTH, a citizen of the United States, re-
siding at Littleton, in the county'of Arapahoe and State ofv Colorado, have invented certainl new and useful Improvements in Renovators, of which the following is a. specificatio This invention relates to improvements in renovators, and one of the objects of the same is to provide .an improved apparatus of this character, whereby a blast of Iair, may be employed for removing and picking up dirt and foreign particles from the surface or article to be renovated.
Av further object is to provide improved means'whereby the dust laden air may be cleaned yor purified of the dirt, and the clarified air again used as a blast against the surface to e'ectively and thoroughly clean and renovate the same.
' accomplishment of other new and useful objects as will appear,l the inventiony consists in the features of novelty in substanf tially the construction,'combination and .ar-f i 'rangement of the several parts hereinafter `more -fully described and claimed and shown F'inlthe accompanying drawings illustrating the invention and in which:
and partly in section of another form of thel invention.
' .Referring more particularly to the drawo ings, the numeral-110 designates generally a cleaning" head.l which may be of any desired size and configuration. The cleaning head is hollowandis providedwith a 'partition 11 dividing the same linto a cu-p-` shaped'receiving chamber 12 and an air in- 5let chamber 13'. The' chamber 12 is of a substantially cup shape formation, 'having an open bottom which latter is adapted to be placed against and'moved over the surface to be renovated.l rThe chamber 13 is provlded with any desired number of outlet openings 15,l extending through the bottom `thereof preferably in close proximity to the bottom'of the chamber 12, and form communication between the two. chambers so that vwhen the cleaning head is placed agalnst and moved over the surface or article to be renovated and closed thereby, the penings 15 will also be moved over the surace.
rlhe chamber 13 is provided with an inlet 16 and the chamber 12 is provided with an outlet 17. A fan 18 is suitably mounted and'is operated by a suitable motor 19. The fan casing forms part of the cleaning head and hascommunication with the chamber 12, so that', when the motor is operated, a blast of air currents will be created and will be discharged through the air inlet chamber 13 and out of the openingsl,
against the surface to be renovated, 'and into the chamber l12, causing the'A surface against which the blast has been directed to become cleaned, as the foreign particles will be diso of. 1- r1`he-air"currents thus formed by the fan will cause a circulation through the fan chamber and will be discharged through the opening 17 intriga passage 20, from Where they. will be driven through the passage 20 tovbe dischargedintoa separator 21.
AThe separator' ispreferably in the form of a tank Which holds a quantity of liquid 22,
such as water or the like for washing the which revolve about a shaft 24:. The members 23 are arranged within the path of the moving air currents, which are discharged into the separator 21 through the opening 24 to strike the membersv 23 and rotate them, causing them to be successively moved through"v the liquid 22. This operation not only filters or sifts the dust from the incoming` air, but causes the foreign particles of dirt to be-deposited the receptacle, Vwhich latter is provided with a clean-out plug o.
Patented new. er, aait.
dit
air, and mounted within the separator tanlr j 21 are a series of retlculated members 23 Leading from the separator through the:
outlet opening 26, is a pipe 27 which` has communication with the inlet 16 of the chamber 13 of the nozzle 10, so that the air currents passing out of the se arator 21 under pressure, will be forced t rough the pipe 27 into the chamber 13'of the nozzle and Yout lof the outlet opening 15, as a blast, di-
machine and a handle( 29 isalso provided which is pivotally connected as at 30 with the machine2 so that the machine can be readily manlpulated and the openings 15 may be moved over the surface to be renovated.
In the form of the invention shown in Fig. 5, the cleaning head 32 is adapted to be placed in contact with the surface to be renovated and the fan 33 which is operated by the'motor 34 operates in a chamber 35 which has communication with the head. Leading from the chamber 35 is a tube or passage 36 which has communication with the bag 37, of any desired size and'configuration and constructed of any suitable material. This bag forms a receptacle for the dirt and foreign particles removed from the3 vsurface 'and is provided with an open end having a securing means 38 applied to such end to hold the same closed.
The bag isdetachably connected with the tube or passage 36 so as to be readily removed therefrom and a flexible member 39 maybe provided for supporting the other end of the receptacle as is usual in devices of this character, from the handle 40.
Arranged within the ba orreceptacle 37 is -a partition 40 which orms a filter or screen and is constructed of any suitable material which will permit the air currents to pass therethrough and remove the dirt and foreign particlesfrom the dust laden air., The partition divides the bag or receptacle into two compartments 42, 43, the former ref. provided for supporting the weight of the late the machine.
j Meriem.
surface to be renovated and these air curu rents are picked up by the fanv33 and again forced through the air circulation 'L -passage so that the same air currents ca* 4j? ev used over and over agam.
With this improved construction it will be manifest that the blasts of air currents are directed Aback to the same portion of the surface te be renovated,thereby thoroughly I will be lifted from the fioor, -and which` weight 'is-ordinarily caused in other machines by the vacuum or suction created in the cleaning head, which weight results in' increasing the effort necessary` to manipuf With the present construction and by relieving the weight by the air lift, the wear on the fabric over which the machine passes will be greatly reduced.
It will .also be manifest that the air which is directed through the openings'l is clarifled, and the-same air current may be used over and over again, and the impure air will not be discharged into the room as is the case with other machines.. Obviously the separator 21 may be provided with a re-v movable closure 31v if desired.
The lopenings 15 are preferably in the form of independent openings arranged so as to extend transverselyof .the nozzle 10,
ceiving the deposit of dirt and the latter forming an exit chamber for the lclarified air. Removably connected with the bag or receptacle and having connection with the chamber 43 is another tube or pipe 44, which also has' communication as at 45 with the nozzle 32.
The operation of this form of the invention is the same as that shown in Fig. 1, that is to say, an lair blast is created by the fan 33 which discharges the air from the chamber 35 throu h the passage 36 into the receptacle 42. Ihe a1r being filtered passes through the partition 41 into the chamber 43, from there through thepipe 44back to the head 32 to be discharged against the and the may-be arranged atl any desired angle wlth respect` to the surface to be renovated, to produce the best results.
While the preferredforms of the inven- I' tion have been herein shown and described, it is to be understood, ,that many changes may be made in the details of construction and in the combination and arrangement of the several parts, without`departing from the spirit of this invention, and therefore it is desired that the drawings herewith submitted are to be considered as being merely' diagrammatic.
Obviously the apparatusmay be of any desired size and conguration and constructed of any suitable material.
What is claimed as new is:
1. In a self-contained renovator, the combination of a cleaning head having an open bottom, a partition in said head dividing the head into a cup shaped chamber and an inlet chamber, said linlet chamber .having communication with the said cup shaped chamber adjacent the bottom thereof, a vlfan chamber forming a part of and havin open communication 'with the said cup s aped chamber, and a fanin the fan chamber, there being an air outlet passage leading from the said fan chamber and` discharging into the said inlet chamber. s
2. In a self-contained renovator, the combination of a cleaning head having an vopen intacta ai bottom, a partition in said head dividing the head into a cup shaped chamber and an inlet chamber, said inlet chamber having vcommunication with the said cup shaped chamber adjacent the bottom thereof, a fan chamber forming a part of and having open communication with the said cup shaped chamber, and a fan in the fan chamber, there being an air outlet passage leading from vthe said fan chamber and discharging into the said inlet chamber, said fan bein disposed intermediate the said inlet cham r and the outlet of the said fan chamber.
3. In a self-contained renovator, the combination of a cleaninghead having an open bottom, a partition in said head dividin the head into a cup shaped chamber and an inlet chamber, said inlet chamber having commul nication with the said cup shaped chamber adjacent the bottom thereof, a fan chamber forming a part of and having open' communication with the said cup shaped chamber, and a fan in the fan chamber, there being an air outlet passage leading from the said fan chamber'and discharging into the said inlet chamber, the outlets from the said fan chamber and the air'inlet chamber being arranged in different horizontal planes.
1. In a self-contained renovator, the combination of a cleaning head having an open bottom, a partition 1n saii head dividing the head into a cup shaped chamber and an inlet chamber, said inlet chamber having communication with the said cupshaped chamber' adjacent the bottom thereof, a fan 4chamber forming a part of and having open communication with the lsaid cup shaped chamber, a fan in the fan chamber, there beingan air outlet passage leading from the said fan chamber and discharging into the said inlet chamber, and a separator connected with thesaid air passageto receive the dust ladened air therefrom.
5. In a self-contained renovator, the combination of a cleanin head having an .open bottom, a partition 1n said head dividing the head into a cup shaped chamber and an inlet chamber, sald inlet chamber havin communication with the said cup `shaped chamber adjacent the bottom thereof, a fan chamber forming a part of and havin `open communication with the said cup s a ed chamber, and a fan in the fan cham er,
there being an air outlet passa e leading from the said fan chamber and dlscharging into the said inlet chamber the communieatin passage between the a1r inlet chamber and t 1e said cup shaped chamber being disf posed 1n close proximity to the surface to be renovated and arranged in an inclined plane with respect to said surface.
6. In a self-contained renovator, the combination of a cleaning head, having anopen bottom, a partition dividing the head into a cup shaped receiving chamber and an air inlet chamber, said chambers having communication adjacent the bottoms thereof, a fan chamber surmountin and forming a portion of the said-cup s aped chamber, a fan in the chamber, a conduit leading from the fan chamber and discharging into the said air inlet chamber, an operating handle connected with the head, and a separator having communication with said conduit.
7. In a self-contained renovator, the com- -bination of a cleaning head, having an open bottom, a partition dividing the head into a cup shaped receiving chamber and an air `inlet chamber, said chambers having comsaid air inlet chamber, an operating handle connected with the head, and a separator having communication with said conduit, the communicating passage between the chambers discharging directly against the surface to be renovated and in such a manner that the blast of air will relieve the weight of the renovator upon said surface.
- 8. In a self-contained renovator, the combination of a cleanin head, having an open bottom, a partition dividing the head into a cup shaped receiving chamber and an air inlet chamber, said chambers having communication e adjacent the bottoms thereof, a fan chamber surmounting and forming a portion of said cup shaped chamber, a fan in the chamber, a conduit leading from the fan chamber and discharging into the said air inlet chamber, an operating handle connected with the head, a separator having communication with said conduit, andaJ roller connected with the head and coperating with. the forward edge thereof, but spaced from said edge for supporting and guiding, the head.
In testimony. whereof I have slgned my name to this specification, in the resence of two subscribing witnesses, on this 20th day of January, A. D.' 1917.
Witnesses:
J. F. BEWLEY, M. LANGnoN.
Ill@
US14457217A 1917-09-25 1917-01-26 Renovator. Expired - Lifetime US1247654A (en)

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GB13802/17A GB116431A (en) 1917-09-25 1917-09-25 Improvements in Renovators or Vacuum Cleaners.

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780826A (en) * 1954-03-25 1957-02-12 Hoover Co Air supported cleaner
US3104496A (en) * 1958-05-26 1963-09-24 Macks Elmer Fred Apparatus for providing mobility of a figure toy
US3257681A (en) * 1964-04-13 1966-06-28 Jack V Miller Vacuum cleaners
US3489607A (en) * 1967-10-02 1970-01-13 Earl Babcock Method and apparatus for handling allergen laden dust
US3977039A (en) * 1975-02-05 1976-08-31 Clarke-Gravely Corporation Air blast sweeper with dust control system
US5548866A (en) * 1994-01-14 1996-08-27 The Hoover Company Cleaning solution applicator
US6237188B1 (en) 1997-12-26 2001-05-29 Toshiba Tec Kabushiki Kaisha Suction port body for vacuum-cleaner and vacuum-cleaner having the same
US10039429B2 (en) 2015-03-20 2018-08-07 James R. Alton Air cushion vacuum cleaner
USD971536S1 (en) * 2018-06-19 2022-11-29 Kach Holdings, Llc Vacuum attachment

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1100063B (en) * 1951-04-10 1961-02-23 Asbrink & Co Ab Suction and mouthpiece device, especially for street cleaning
US2751038A (en) * 1954-05-14 1956-06-19 Hoover Co Air supported cleaner with control
TW267098B (en) * 1994-02-16 1996-01-01 Matsushita Electric Ind Co Ltd

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780826A (en) * 1954-03-25 1957-02-12 Hoover Co Air supported cleaner
US3104496A (en) * 1958-05-26 1963-09-24 Macks Elmer Fred Apparatus for providing mobility of a figure toy
US3257681A (en) * 1964-04-13 1966-06-28 Jack V Miller Vacuum cleaners
US3489607A (en) * 1967-10-02 1970-01-13 Earl Babcock Method and apparatus for handling allergen laden dust
US3977039A (en) * 1975-02-05 1976-08-31 Clarke-Gravely Corporation Air blast sweeper with dust control system
US5548866A (en) * 1994-01-14 1996-08-27 The Hoover Company Cleaning solution applicator
US6237188B1 (en) 1997-12-26 2001-05-29 Toshiba Tec Kabushiki Kaisha Suction port body for vacuum-cleaner and vacuum-cleaner having the same
US10039429B2 (en) 2015-03-20 2018-08-07 James R. Alton Air cushion vacuum cleaner
USD971536S1 (en) * 2018-06-19 2022-11-29 Kach Holdings, Llc Vacuum attachment

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GB116431A (en) 1918-06-13

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