US3040368A - Vacuum cleaner nozzle - Google Patents

Vacuum cleaner nozzle Download PDF

Info

Publication number
US3040368A
US3040368A US840895A US84089559A US3040368A US 3040368 A US3040368 A US 3040368A US 840895 A US840895 A US 840895A US 84089559 A US84089559 A US 84089559A US 3040368 A US3040368 A US 3040368A
Authority
US
United States
Prior art keywords
section
nozzle
relative
vacuum cleaner
sections
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
US840895A
Other languages
English (en)
Inventor
Nilsson Nils Herbert
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.)
Electrolux AB
Original Assignee
Electrolux AB
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 Electrolux AB filed Critical Electrolux AB
Application granted granted Critical
Publication of US3040368A publication Critical patent/US3040368A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0633—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads
    • 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
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • 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
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0606—Nozzles with fixed, e.g. adjustably fixed brushes or the like rigidly anchored brushes, combs, lips or pads
    • A47L9/062—Rigidly anchored edge brushes
    • 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
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0633—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads
    • A47L9/064—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads actuating means therefor

Definitions

  • Still another object of the invention 4 is to provide an improved nozzle having relatively movable parts which are selectively arranged in different operating positions in a very simple manner.
  • the inVen-t-ion contemplates the connecting of the relatively movable operational par-ts of a vacuum cleaner nozzle by special means which enable these movable parts to be displaced relatively by the selective application of forces thereto, said means having stable conditions only when one or the other of said parts is in operative position and -being otherwise in an unstable condition due to which it urges one of said parts into an operative position.
  • said special means provides for maintaining the movable parts in relative attitudes by means of which the nozzle is adapted to perform different types of operations.
  • FIG. l is a longitudinal sectional view of a vacuum cleaner nozzle provided in accordance with a preferred embodiment of thel invention.
  • FIG. 2 illustrates, partially broken away, the vacuum cleaner nozzle of FIG. 1 in a modified operating condition
  • FIG. 3 is ⁇ an endv sectional view corresponding to ⁇ the illustration of FIG. l and further illustrating a suction tube connected with the nozzle; n
  • FIG. 4 is an end sectional view corresponding to that illustrated in FIG. 3 but with the elements of the nozzle arranged in .the operating condition illustrated by FIG. 2;
  • FIG. 5 is a top view, partially broken away, of said vacuum cleaner nozzle.
  • FIGS. 6 to 1l illustrate respectively the manner in which the vacuum cleaner nozzle of FIGS. 1 to 5 is manipulated.
  • FIGS.' 1 ⁇ and 3 A first operative condition of the vacuum cleaner nozzle of the invention is illustrated in FIGS.' 1 ⁇ and 3.
  • the nozzle of the invention comprises a first or inner suction section 12 and an outer suction section 14.
  • Sections 12 and 14 are movable relative to one another and are adapted to assume different relative positions or attitudes which constitute different operating conditions lfor said nozzle. More particularly, section 12 can assume a first relative attitude with respect to section 14 whereby section 12 is 4retracted into section 14 so lthat the latter section is operative; and, alternatively, section 12 may assume a relative attitude with respect to section 14 whereby section 12 protrudes and is the operative member for purposes of performing a vacuuming operation.
  • Outer section 14 is also in the form of a hood.
  • This hood flares outwardly into a neck portion 32 within which is accommodated the upper part 24 of the inner section 12.
  • Part 24 extends outwardly through neck portion 32 to a greater or lesser extent depending on which of sections 12 and 14 isl in operative position.
  • Inner Isection 12 defines a circular bearing 34 (FIG. 3) in which is accommodated a pivot member 36 which is integral with a suction or outlet tube 38.
  • a bolt 4G ⁇ is provided to engage pivot member 36 so as to maintain -tube 38 pivotally connected with inner section 12.
  • arcuate guides 39 are provided to confine tube. 38.
  • Bolt 58 extends downwardly into a framework 6i) -fixed internally o f section 14.
  • Bolt 56 extends internally of section 14 into a weighted member 62 which is afiixed internally of the section 14.
  • Member 62 causes the nozzle to tilt about tube 38 when the nozzle is lifted-from the oor and thus assists transferring the vacuuming operation from mouth 22 to mouth 28 and vice versa.
  • the lower extremities-of bristles 64 vdefine a common plane which is hereinafter referred to as Ithe brushing plane 68. This plane coincides with the surface to be cleaned when section 14 is the operative member.
  • Bristles 64 are retained in a channel member 78 (FIG. 3) of inverted substantially U-shaped cross-section, the channel 70 being retained in position against the section 14 by means of a peripheral resilient member 72 which additionally constitutes a bumper.
  • sections 12 and 14 are movable relative to one another. They are, however, connected by means which guides the movement of sections 12 and 14 relative to one another and by means which assists in controlling the relative movements of said sections.
  • a guide member or yoke 74 having a' center section 76 pivotally mounted on outer section 14.
  • the center section 76 may be retained in position on section 14 between peripheral member 72 and a flange 78 (FIG. 3) provided on section 14.
  • the yoke 74 is therefore ⁇ free to pivot about the axis defined by center section 76.
  • yoke 74 The free ends 80 yand -82 of yoke 74 are bent inwardly towards one another ⁇ and are accommodated in elongated or ⁇ oval slots or apertures 84 (FIG.. 3) provided in the inner section 12. 'Phe resiliency of yoke 74 is suiiicient to assure a ready and permanent engagement of the yoke with the inner section 12, ⁇ the movement of which with respect to section 14 is restricted by the yoke 74 as well as by the movement of upper part24 in the neck portion 32 of section 14.
  • the inner section 12 is provided with a portion 86 which supports bearing 34.
  • Portion 86 constitutes a stop or afbutment intended for contacting the upper surface of flange 78 for limiting the downward movement of section 12 relative to section 14.
  • a peripheral resilient member 88 (FIG. 3) may be provi-ded internally of the section 14 and supported on the latterk to provide an yabutment or stop intended to contact shoulders 90 of section 12 so as to limit upward movement of the l-atter said section.
  • leaf springs 92 and 94 which are accommodated on the one hand in two slots in section 12 and on the other hand in slots respectively provided in members 62 and 60.
  • the over-center leaf springs 92 ⁇ and 94 are arranged in compression between the nozzle sections 12 and 14 and deflect laterally between their ends in opposite directions from an intermediate ⁇ unstable position to bias one or the other section to its surface-engaging position.
  • These leaf springs constitute bi-stable members or snap springs which urge theV sections 12 and 14 into relative attitudes whereby one or the other of these sections is in operative position.
  • 'Ihese springs further, each have a dead center position which is a position in which the springs are mechanically unstable. The springs when in the dead center position tend to urge one of sections 12 and 14 towards operative position and further tend to resist relative mofvement of sections 12 Iand 14 when either of the latter is in operative position.
  • leaf springs 92 and 94 lare curved or S-shaped springs fabricated from beryllium copper or the like. These springs constitute and are exemplary of the special means which are employed by the invention to facilitate the maintaining of sections 12 and 14 in the aforenoted relative attitudes.
  • FIGS. 1 and 3 are illustrative of the relative attitude of sections 12 and 14 whereby section 12 is retracted or withdrawn into section 14.
  • the operative surface of the nozzle under these circumstances corresponds to ibrushing plane 68 so that section 14 is the operative member.
  • section 12 extends or protrudes downwardly out of section 14 so that section 12 is then yadapted to engage the surface to be cleaned and section 12 is thus the operative member in these rfigures.
  • neck portion 32 of section 14 is spaced from upper part 24 of section 12 and defines therewith a gap 96 (FIG. 2). In the working condition illustrated in FIG. l, however, neck portion 32 ⁇ and upper part 24 are in contacting'relationship at 98.
  • this critical position occurs when the lower extremity 98 of section 12 coincides with brushing plane 68.
  • the snap action of springs 92 and 94 will not permit section 12 to remain stationary and will tend to urge section 12 into one of the positions illustrated respectively in FIGS. 1 Iand 2.
  • Portions 18 and 20 of section 12 are angularly disposed las aforesaid. More particularly, section 12 is adapted for moving in a direction D relative to section 14 or in a direction opposite thereto. Sections 18 and 20 have surfaces which dene an iacute angle 100 with direction D for a purpose which will be clarified hereinafter with reference to FIGS. 6-ll.
  • FIG. 6 illustrates an operating condition of the nozzle corresponding to FIGS. 1 and 3.
  • bristles 64 provide the operative surface which corresponds to a surface or object 102 which is to be cleaned.
  • Suction tube 38 is connected toa wand 104 of an associated vacuum cleaner (not shown).
  • Section 12 extends upwardly through section 14 to its fullest extent so that members 18 and 20 are spaced from surface 102.
  • This operative condition is for cleaning a hard surface such as a floor or the like.
  • FIG. 7 illustrates the depressing of section 12 by means of the foot 106 of the vacuum cleaner operator.
  • the bristles 64 are preferably collectively stronger than springs 92 and 94.
  • FIG. 7 illustrates that the lower extremity 98 of section 12 has been displaced downwardly in the direction of Iarrow 108 to a position whereat it coincides with the brushing plane dened by bristles 64.
  • a further movement of sections 18 and 20 into the pile of the carpet will cause springs 92 Iand 94 to be urged past their dead center positions so that section 12 will snap into the position whereat its members 18 and 20 will protrude downwardly out of the section 14.
  • the angular form of members '18 and 20 will facilitate matters.
  • the entire nozzle may be tilted so that one of the angular sections 18 or 20 is substantially parallel to the surface 102. This permits an additional displacement of section 12 which may then be urged past its critical position so that the springs take over and carry it to operative position.
  • the operative position of section 12 with its members -18 and 20 protruding from section 14 is illustrated in FIG. 9 wherein it is apparent that bristles 64 are spaced from surface 102 and no longer perform a brushing function.
  • FIG. l0 illustrates the application of fonce by means of the operators foot 106 to section 14. This application of force will cause the springs 92 and 94 to pass through their dead center positions in a direction opposite to that indicated above. This will cause bristles 64 to move into koperative position as illustrated in FIG. ll.
  • the members 1'2 and 14 are urgeable into two extreme relative attitudes whereby one or the other of said sections is effective to perform a surface engaging function for a vacuum cleaning operation.
  • the necessary .relative movement is initiated by the application of an operators foot to one or the other of sections 12 and 14. Initially, movement of the sections relative to one another is resisted by springs 92 and 94. rIhis assures that working conditions will not be inadvertently changed. However, once these springs are forced t0 pass the critical dead center positions, they assume the duties of uirging sections '12 and 14 into their new relative attitudes. This causes the previously inoperative member to become operative and relegates the previously operative member to inoperative status.
  • sections 12 and 14 are pivotal in unison about tube 38 in a manner such that toothed section 30 and suction mouth 28 are placed in lowermost operative position. This enables the nozzle to provide still another condition of operation in conjunction with the operating conditions which have been noted above.
  • Theinvention thus provides a multi-purpose vacuum cleaner nozzle which is easyvto operate. and is of simple construction.
  • the nozzle ofthe invention comprises relatively movable parts which lare readily assembled and'that these'members are relatively displaceable byforces which are conveniently applied by an operator.
  • f Y There will now be obvious to those skilled in the art many modifications .and variations of the structure set forth. These modifications and variations will not, however, depart from the scope of the invention if they /are defined by the following claims.
  • the combination kof two working elementsfor engaging surfaces to be cleaned said elements being movable with respect to each other between first relative positions in which one of said elements is in a surface-engaging position and the other of said elements is out of its surface-engaging position and second relative positions in which the other of Asaid elements is in a surface-engaging position and said one element is'oiitof'its surface-engaging position, means connecting said elements for relative movement with respect to each other between said first and second relative position, said connecting.
  • means including resilient means arranged in compression between said oneand other elements and laterally movable intermediate its ends to two operating positionsat opposite sides of an unstable intermediate position, said resilient means in one of said two operating positions being deflected laterally in one direction from its unstable position to bias said one element to its surface-engaging position and effect movement of said other element to its out-of-surfaceengaging position and in the other of said two operating positions being deflected in an opposite direction from its unstable position to bias said other element to its surfaceengaging position and effect movement of' said one element -to its out-of-surface-engaging position.
  • a multi-purpose elongatedvacuum cleaner nozzle the combination of two elongated working elements for engaging surfaces to be cleaned, said elements being movable with respect to each other between first relative positions in which one of said elements is in a surfaceengaging position and the other of said elements is out of its surface-engaging position and second relative positions in which the other of said elements is in a surfaceengaging position and said one element is out of its surface-engaging position, means connecting said elements for relative movement withrespect to each other between said first and second relative positions, said connecting means including elongated spring means arranged in compression between saidvone and other elements and laterally movable intermediate its ends to two operating positions at opposite sides of an unstable intermediate position, means at a first zone of said one element for connecting one end of said elongated spring means thereto, means at a second zone of said other element for connecting the opposite end of said elongated spring means thereto, said elongated spring means in one of said two operating positions being deflected laterally in one direction from its unstable position
  • a nozzle as set forth in claim 2 in which said other Working element comprises 'bristles and an elongated side ofthe housing and includes a part projecting upward through the opening in the housing, said first zone of said one element being adjacent to said part and said second zone of said other element being at said housing.
  • said other working element includes stopV means for limiting the lateral deflecting of said elongated spring means in each of itstwooperating positions, said stop means being'positioned to provide a spring force to bias said one and other elements to their surface-engaging position responsive lto lateral defiecting of said elongated spring means in one and the opposite directions,respectively, from its-unstable position.
  • stopV means for limiting the lateral deflecting of said elongated spring means in each of itstwooperating positions, said stop means being'positioned to provide a spring force to bias said one and other elements to their surface-engaging position responsive lto lateral defiecting of said elongated spring means in one and the opposite directions,respectively, from its-unstable position.
  • first andv second Working elements'for engaging surfaces to :be cleaned said elements being movable with respect to each other between first relative 'positions in which said first element is in a surfacevengaging position and said second element is out of its surface-engaging position and vsecond relative positions in which said second element is in asUIaCe-engaging position and said first element is outy of its surface-engaging position, first means connecting said elements for relative movement with respect to each other in a path between said first and second relative positions, second means-connecting said elements comprisin-g spring means arranged in compression between said first and second elements and laterally movable intermediate its ends to two operating positions at opposite sides of an unstable intermediate position, said spring means in one of said two operating positions being defiected laterally in one direction from its unstable position tobias said first element to its surface-engaging position and effect movement of said second element to its out-of-surface-engaging position and in the other of said two operating positions being deflected in an opposite direction
  • a nozzle as set forth in claim 5 in which said second element comprises brush bristles and an elongated housing 'and said first element comprises an elongated hollow member at the underside of the housing, the hollow member comprising spaced side walls and connecting end walls, the side walls transverse to their lengths having their bottom edges sloping upward at an acute angle to the horizontal in directions from their interior surfaces.
  • a nozzle as set forth in claim 5 in which said first means connecting said elements comprises linkage having one part pivotally mounted on said second element and another part attached to said first element.
  • a nozzle as set forth in claim 7 in which said linkage comprises a U-shaped member having its bottom pivotally mounted on said second element and the outer ends of its spaced arms attached to said first element.
  • a nozzle as set forth in claim 5 in which said second element comprises a second apertured member .forming a housing and said first element includes a first .connecting the inner ends of said leaf springs to said ⁇ iirst member adjacent to said upwardly projecting part.
  • a nozzle as set forth in claim 5 in which said second element ⁇ comprises a brush including bristles ⁇ having the outer free ends disposed in a plane and said iirst element comprises a hollow member having an air inlet, the outer free ends of the brush bristles engaging the surface in the surface-engaging position of said second element and the air inlet of said hollow member engaging the surface D in the surface-engaging position of said first element, and the spring means being in its intermediate unstable position when the air inlet of said hollow member and the aforementioned brush plane are substantially at the same level during relative movement of said elements while said nozzle is positioned on the surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Cleaning In General (AREA)
US840895A 1958-09-25 1959-09-18 Vacuum cleaner nozzle Expired - Lifetime US3040368A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE900258 1958-09-25

Publications (1)

Publication Number Publication Date
US3040368A true US3040368A (en) 1962-06-26

Family

ID=20275575

Family Applications (1)

Application Number Title Priority Date Filing Date
US840895A Expired - Lifetime US3040368A (en) 1958-09-25 1959-09-18 Vacuum cleaner nozzle

Country Status (8)

Country Link
US (1) US3040368A (zh)
BE (1) BE582576A (zh)
CH (1) CH377497A (zh)
DE (1) DE1193212B (zh)
ES (1) ES251903A1 (zh)
FR (1) FR1235128A (zh)
GB (1) GB881594A (zh)
NL (2) NL242853A (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417286A1 (fr) * 1978-02-15 1979-09-14 Electrolux Ab Buse d'aspirateur
US4888851A (en) * 1988-02-03 1989-12-26 The Hoover Company Brush mounting arrangement
WO1992009231A1 (en) * 1990-11-22 1992-06-11 Georg Vilhelm Petersen A vacuum cleaner mouthpiece

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3319628C2 (de) * 1983-05-30 1994-04-07 Wessel Werk Gmbh Staubsaugerdüse
CN102631171A (zh) * 2011-02-11 2012-08-15 嵇星宇 附加式缝隙专用吸尘头
DE102016103974B4 (de) * 2015-03-06 2022-07-28 Wessel-Werk Gmbh Saugdüse für Bodenstaubsauger
DE102015105228B4 (de) * 2015-04-07 2019-08-22 Vorwerk & Co. Interholding Gmbh Vorrichtung für ein ein saugendes Gebläse aufweisendes Reinigungsgerät

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1694273A (en) * 1927-06-15 1928-12-04 P A Geier Co Suction cleaning apparatus
US1812493A (en) * 1928-02-08 1931-06-30 P A Geier Co Suction cleaner attachment
US2178427A (en) * 1937-04-06 1939-10-31 Electric Vacuum Cleaner Co Suction nozzle
US2227299A (en) * 1937-01-28 1940-12-31 Electrolux Corp Vacuum cleaner
US2421661A (en) * 1945-03-16 1947-06-03 Westinghouse Electric Corp Suction cleaning nozzle
US2655682A (en) * 1949-04-19 1953-10-20 Gen Electric Suction cleaner nozzle and brush
US2814066A (en) * 1954-09-22 1957-11-26 Hoover Co Double or single row tufted nozzles
FR1199930A (fr) * 1957-09-27 1959-12-17 Electrolux Ab Accessoire pour aspirateur de poussière

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2620506A (en) * 1947-04-25 1952-12-09 Hoover Co Suction cleaning tool with adjustable brush
US2656560A (en) * 1950-02-24 1953-10-27 Spencer Turbine Co Dual purpose vacuum cleaner nozzle
US2842794A (en) * 1954-11-12 1958-07-15 Electrolux Corp Tapered multi-purpose nozzle
US2841812A (en) * 1956-03-23 1958-07-08 Landers Frary & Clark Tank type vacuum cleaner nozzle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1694273A (en) * 1927-06-15 1928-12-04 P A Geier Co Suction cleaning apparatus
US1812493A (en) * 1928-02-08 1931-06-30 P A Geier Co Suction cleaner attachment
US2227299A (en) * 1937-01-28 1940-12-31 Electrolux Corp Vacuum cleaner
US2178427A (en) * 1937-04-06 1939-10-31 Electric Vacuum Cleaner Co Suction nozzle
US2421661A (en) * 1945-03-16 1947-06-03 Westinghouse Electric Corp Suction cleaning nozzle
US2655682A (en) * 1949-04-19 1953-10-20 Gen Electric Suction cleaner nozzle and brush
US2814066A (en) * 1954-09-22 1957-11-26 Hoover Co Double or single row tufted nozzles
FR1199930A (fr) * 1957-09-27 1959-12-17 Electrolux Ab Accessoire pour aspirateur de poussière

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417286A1 (fr) * 1978-02-15 1979-09-14 Electrolux Ab Buse d'aspirateur
US4351083A (en) * 1978-02-15 1982-09-28 Aktiebolaget Electrolux Vacuum cleaning nozzle
US4888851A (en) * 1988-02-03 1989-12-26 The Hoover Company Brush mounting arrangement
WO1992009231A1 (en) * 1990-11-22 1992-06-11 Georg Vilhelm Petersen A vacuum cleaner mouthpiece

Also Published As

Publication number Publication date
ES251903A1 (es) 1960-01-01
CH377497A (de) 1964-05-15
BE582576A (fr) 1959-12-31
GB881594A (en) 1961-11-08
DE1193212B (de) 1965-05-20
NL120175C (zh)
NL242853A (zh)
FR1235128A (fr) 1960-07-01

Similar Documents

Publication Publication Date Title
US7251856B2 (en) Vacuum cleaner nozzle for floors and carpets
US7222393B2 (en) Vacuum cleaner nozzle for floors and carpets
EP0158145B1 (en) Nozzle assembly for vacuum cleaner
EP0743038B1 (en) Vacuum cleaner nozzle
US3040368A (en) Vacuum cleaner nozzle
US2324111A (en) Suction nozzle with automatically retractable surface-contacting element
US2867835A (en) Double acting vacuum and scrubbing head
EP3104761B1 (en) Vacuum cleaner tool
US2153457A (en) Vacuum nozzle
US3660864A (en) Multi-purpose suction cleaner nozzle
US2210030A (en) Suction cleaner
US2814066A (en) Double or single row tufted nozzles
US2181594A (en) Suction nozzle
US2659924A (en) Vacuum cleaner nozzle with removable brush attachment
US2520942A (en) Vacuum cleaner head
CN103705172A (zh) 真空吸尘器
US3135986A (en) Vacuum cleaning tool
US2203650A (en) Suction nozzle
US2320545A (en) Suction nozzle
US2233252A (en) Suction cleaner
US2880446A (en) Suction nozzle for cleaning apparatus
US2035688A (en) Nozzle for vacuum cleaners
US2674002A (en) Cleaning tool for suction cleaners
US2178427A (en) Suction nozzle
US2516246A (en) Nozzle for suction cleaner