US2246862A - Suction cleaner - Google Patents

Suction cleaner Download PDF

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Publication number
US2246862A
US2246862A US157701A US15770137A US2246862A US 2246862 A US2246862 A US 2246862A US 157701 A US157701 A US 157701A US 15770137 A US15770137 A US 15770137A US 2246862 A US2246862 A US 2246862A
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US
United States
Prior art keywords
cord
reel
motor
handle
casing
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
US157701A
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English (en)
Inventor
Donald G Smellie
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 Co
Original Assignee
Hoover Co
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 Co filed Critical Hoover Co
Priority to US157701A priority Critical patent/US2246862A/en
Priority to GB22356/38A priority patent/GB517437A/en
Priority to DE1938H0156685 priority patent/DE695651C/de
Priority to FR844232D priority patent/FR844232A/fr
Application granted granted Critical
Publication of US2246862A publication Critical patent/US2246862A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating 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
    • A47L9/26—Incorporation of winding devices for electric cables

Definitions

  • This invention relates to suction cleaners in general, and more particularly to cord take-up devices to pick up the slack and house the electric cord which conveys current to the cleaner motor from a source of current supply.
  • An object of the invention is to provide a reel for taking up the slack in the conductor cord of a device of this type.
  • a further object is to provide a reel concentric with the motor housing and which will not materially detract from the ap -1 pearance of the machine as a whole.
  • Another, object is to provide a reel which is concentric with and rotatable about the cleaner motor housing to wind and unwind the conductor cord.
  • Fig. 1 is a side elevation of asuction cleaner including anembodiment of the invention
  • Fig. 2 is an enlarged section taken along the line 2-2 of Fig. 1, and showing a cord clamping means;
  • Fig. 3 is a section line 3-3 of Fig. 4;
  • Fig. 4 is a section partly in elevation line 2-4 of Fig. 3;
  • Fig. 5 is a section along the line 55 of Fig. 3;
  • Fig. 6 is a section along the line 6-,-6 of Fig. 5;
  • Fig. 7 is a fragmentary sectional view of the means for conveying current to the cord reel
  • Fig. 8 is a section along the line H of Fig. 7 showing the means for conveying current from the cord reel'to the motor; c
  • Fig. 9 is a diagram of the electric circuit
  • Fig. 10 is a sectional view partly. in elevation of another embodiment of the invention, illustrating another form of cord reel;
  • Fig. 11 is an enlarged section along the line of Fig. 10, showing means for conveying current from the cord reel to the motor;
  • Fig. 12 is a section along the line
  • Fig. 13 is an elevation of the cord reel
  • Fig. 14 is a diagram oi the electric circuit.
  • a suction cleaner embodying one embodiment of the invention comprises a body having along the partly in elevation along the way 2
  • Both passageways are provided at their ends with removable cap members 21, 21.
  • the machine is supported by front and rear wheels 28 and 29 respectively, the former being provided with height adjusting means for the purpose of raising and lowering the mouth of the nozzle relative to the surface covering undergoing cleaning.
  • the fan chamber is integral with and forms a part of a housing 32 provided with removable side walls 24 and 3B which are rotatively seated upon circular flanges 35, 36 formed upon the in- .ner walls of the passageways 2
  • a motor casing 40 enclosing a motor 4
  • One end 0! the armature shaft 42 carries the motor pulley and the opposite end carries a fan 45 disposed in the fan. chamber 24.
  • Themotor casing 40 is rigidly secured by meansoiscrews 41 to an inwardly extending annular ribof the housing 32, the rib 45 also forming the inner wall of the fan chamber 24, the outer wall thereof being defined bythe removable plate 34.
  • the fan chamber 24 communicates with an exhaust passage 48 formed in the housing 32 and is suitably connected to the lower end of a dust filtering bag 49.
  • a cleaner handle 50 is rigidly carried by the outer housing 32 in a rearwardly opening socket 5
  • My improved cord reel 55 may be formed of sheet metal and is interposed between and is concentric with the motor casing 40 and the outer housing 32.
  • the reel 55 comprises a cylinis provided with an annular flange 8i and the opposite end is reduced as at 82.
  • Four ball bearing housings 85 are equally spaced about and secured to the inner surface of the drum 88 for housing ball bearings 55 which rotate about an annular race 51 forming part of the motor end cap 88.
  • 'An annular ball bearing housing 88 is secured to the reduced end 82 of the reel 85 for ball bearings 18 which travel along theannular race '
  • a contractile helical coil spring 14 has one end suitably anchored to the boss 44, while the other end is anchored to the reel 55, to rotate the latter in counter clockwise direction, as viewed in Fig. 3, tending to wind the cordon the reel.
  • a cord guiding means comprising a cord wheel 15 iournalled in a follower I supported on a rotatably mounted shaft II provided with opposed double threads 18, I8 which are separately engaged by a shoe 88 carried on the follower I5.
  • Engagement of the shoe 88 with one of the double threads on the rotating shaft 'I'I causes the follower I8 to move in one direction parallel to the axis of the reel to guide one layer of cord on the reel, and thereafter the shoe 88 engages the other double thread and causes the follower I5 to move in the opposite direction to coil the next layer of cord on the reel.
  • Rotation of the reel causes the shaft II to be rotated by means of a gear 88, mounted on the reduced portion 82 of the reel, and is in mesh with a gear 84 carried on a shaft 85 supported by the side wall 85, the shaft 85 also carries a smaller gear 85 in mesh with antating-but permits it to slidealong the rear wall 8 I of the housing.
  • the fixed end of the cord 5 is anchored to.
  • a clamp 88 which is suitably insulated from the reel by an insulating member 8
  • the uncoiled portion of the cord 58 extends through a relatively wide opening 52 of the housing 82 and then between the cooperating finger clamps 82, 82 pivotally supported in the casing 88 of a cord clamping device 58.
  • Springs 84, 84 tend to swing the clamps into cord locking position to hold the cord in paid out position.
  • Each clamp is provided with a cam surface, a portion 282 thereof acting as a brake on the cord and'another portion 288 permitting the cord to be pulled therepast.
  • Finger engaging portions 85 of the clamps 82 extend through slots in the casing 88 and are adapted to be engaged by the. operator's fingers to pivot the clamps releasing the grip of the latter on the cord, permitting the spring 14 to rotate the reel 55. and wind the cord thereon.
  • , of insulating material, is rigidly mounted around the reel 55 and is provided with annular grooves for receiving collector rings 88 and 81 which respectively slidably engage leaf spring contacts 88 and 88 mounted on an insulated block I88 fixedly secured to the housing 32 by means of a screw I8I.
  • the motor circuit ineludes one of the feed wires II8 of the cord 58 connected to a tab III of the collector ring 88 which slidably engages thebrush 88 connected to the conductor II2 extendingupwardly in the handle 58to one side of the switch I I8,-the other side of the switch is connected to a conductor -.nectedto the brush I88 slidably engaging thecollector ring I84 in turn electrically connected to a leadwire III to the motor 4
  • the operator ceases to exert a pull on the cord, whereby the clamps 82 are immediately urged into cord clamping position by the springs 84.
  • the cord clamps 82 are manipulated to release the brake on the cord 58 which permits the spring 14 to freely function to rotate the reel relatively with respect to the motor casing 48 and housing 82 to wind the cord thereon.
  • Rotation of the reel 55 causes the cord reeling uide I5 to traverse one of the double threads on the shaft I1 to wind each coil of the inner layer of cord uniformly on the reel and thereafter the follower "travels in the reverse direction due to engagement with the other thread to uniformly coil the outer layer of cord.
  • the wide cord opening 52 in the housing 82 permits the cord to move with the coil reeling guide 15 as the latter travels along the shaft 11.
  • FIG. 10 to 14 Another embodiment of the invention is shown in Figures 10 to 14 and may be employed in the type of suction cleaner shown in Fig. 1, including a nozzle 28, side passages 2I and 22, fan chamber 24, belt pulley 25 and belt 25.
  • the outer housing I28' is provided with removable side walls I II and I22 which are rotatably mounted on the circular flanges 85, 88 formed upon the inner walls of the passageways 2i and 22 and is also provided with an exhaust outlet 48 communicating with the fan chamber 24 and with a dust filter bag 48.
  • the cord reel I25 is movable in a rectilinear path and is rotatably concentrically mounted with respect to the motor casing I25 and the cleaner housing I20,
  • the reel moves in a; rectilinear path parallel to the axis 01 the motor as the cord I135 is wound or unwound, so as to at all. times maintain the point oi cord application to the reel In alignment with the center of the handle through which the cord passes.
  • the reel is caused to move in the proper rectilinear direction due to the friction developed between the adiacent coils: as they are applied or removed from. the reel during rotation oi the latter.
  • the reel I 55 is provided with a cylindrical supporting member I31 on which is fixedly mounted a hub I38 terminating at its ends in outwardly extending annular flanges I 39 and I40.
  • the hub I38 is provided with a helical groove I42 extending from a point short of the flange I40 to the other flange I39 to receive the first layer of cord.
  • a bearing structure including an elongated cylinder I 43 is interposed between the motor casing and the reel I35.
  • Rigidly secured to and extending longitudinally along the outer surface of the cylinder I43 is a plurality of spaced tracks or ball races I44 having an upwardly extending rib I45 to provide double race I45, I46 for groups of ball bearings I41 carried in suitable ball hous ings I48 arranged at opposite ends of the reel member I31.
  • the cylinder I43 is substantially twice the transverse length of the helical groove I42 so that as the reel I travels to the right to the dotted line position, as viewed in Figur 12, one layer of cord is completely paid out.
  • the cord I35 is secured to the reel by a clamp I49 properly insulated as shown in Figures 10 and 13, and passes over a pulley 200 rigidly attached to the housing I20 in alignment with the handle, and upwardly in the latter through the cord controlling device 56, suitably secured to the handle HI.
  • a plurality of spaced ball bearing housings- I59 each accommodating a group of ball bearings I5I which engage an annular race I52 formed on the end cap- I53 of the motor casing I25.
  • Atthe opposite end of the cylinder I45 is a plurality of spaced ball bearing housings I54, each accommodating a group of ball bearings I55 which engage an annular race I56 mounted on an inwardly extending boss 2" oi the housing side 223.
  • A. contractile spring I51 has one end suitably anchored to the boss I I5; and the other end attached. to the rotating cylinder I45, to at all times provide: the energy" required to rotate the; cylinder 3 and thusfthereel i151.
  • Commutation or current between the reel “5 and thermotor casing I25 is eiiected by means of a pair otpieai'.
  • spring brushes I00 and III secured to the reel means or rivets I10 and insulated thereironi as indicated-at Ill.
  • the brushes I50 and III respectively slidably engage conductor bars I.” and; I15 insulatably mounted longitudinally along the outer surface of the cylinder I41
  • Another pair 0! leaf spring-brushes I14 and I15 are insul'atably mounted on the inner surface of the cylinder I43. and respectively engage collector rings I11 and I10 insulatably mounted, on the motor casing I25,- as indicated at I00.-
  • the circuit for the motor comprises one or the ieedwires Ill. of the cord I35 connected to the brush I50 'slidably engaging the conductor bar "2- connected to the brush I15 slidably engaging the rotatable collector r1118 I10 connected to a conductor I02 extending upwardly in the handle to one side of the switch I03 mounted on the. handle.
  • the other side of the switch is connected, to a conductor I54 extending torthe motor I25 connected to a lead wire I05 secured to thecollector ring I11 which is slidably engaged by the brush I14 connected to the bar I13 slidabiy engaged by the brush IiI connected to the other ieed wire I80 of the conductor cord I35. to complete the motor circuit.
  • the cord clamps are manipulated to release the brake on the cord, whereby the spring I51 operates to I rotate the reel I35 andthe cylindrical track I43.
  • the reel I35 will move in a rectilinear direction in the-helical groove I42, and ,ac'cordingly'the pointv of cord application on the rotating reel will at all times be along a linecentrally of the handle, I.
  • the first coil! of the next layer I80 will climb the w flange I39 and bewound'in a helix reverse to the first layer ISI of the cord and with a lead in the opposite direction andcause the reel I35 to move in reverse rectilinear direction.
  • the cord clamps 92 Upon releasing the cord clamps 92 the latter act as a brake on-the cord to overcome the force exerted by the spring I51 tending to rotate the reel I", to thereby stop the latter.
  • a cord take-up device comprising a rotatably mounted reel having a helical groove to receive a cord thereon, spring means for rotating said reel to wind said cord thereon, said reel being movable in a rectilinear path to at all times apply said cord on said reel at a point flxed with respect thereto, said reel moving in said rectilinear path due to the iriction developed between said helical groove and said cord as,it is progressively coiled on said reel during rotation of the latter.
  • a suction cleaner of the type having an ambulatory body and a handle pivoted relative thereto upon a transverse axis, current conducting means slidably carried by said handle and extended downwardly to said body, and a take-up rotatably carried by said body and concentric with the pivotal axis of said handle for reeling and unreeling said current conducting means to maintain a constant length or the latter between said handle and the point of application of said conducting means on said take-up.
  • a suction cleaner oi the type having an ambulatory body and a handle pivoted relative thereto upon a transverse axis, current conducting means carried by said handle and extended downwardly to said body, a take-up rotatably carried by said body and concentric with the pivotal axis of said handle for reeling and unreeling said current conducting means to maintain a constant length of the latter between said handle and the point of application of said conducting means on said take-up, and a casing for said take-up fixed to said handle and mounted for movement therewith.
  • suction creating means including a motor, Ian and easing therefor pivotally mounted upon said body, a cord take-up mounted for pivotal movement relative to SQldbOdY upon the pivotal axis of said motor and fan for reeling and unreeling a current carrying cord, and a handle mounted the handle and point of application oi said cord on said take-up- 12.
  • a suction cleaner comprising an ambulatory body, a casing rotatably supported by said body and having means to support-a motor within said casing, a motor housing about said motor, a cord reel rotatably mounted on said housing and disposed between said casing and housing, an electric cord slidably carried by a handle and wound about said reel, contact means carried by said motor housing, and additional contact said cord to said motor, and cord locking means means carried by said reel and rotatable with respect'to said first mentioned contact means to electrically connect said cord with said motor, said handle being rigidly connected to said casing to rotate the latter with respect to said body and reel to maintain a constant length of said.
  • a suction cleaner comprising an ambulatory body, a casing rotatably supported on said body, a motor supported within said casing, a cord reel rotatably mounted between said casing and motor, an electric cord slidably carried by a handle and wound about said reel, means tending at all times torotate said reel in one direction to wind said cord thereon, means to guide said cord in layers around said reel, relatively movable contact means for electrically connecting said cord to said motor, said handle being rigidly'connected to said'casing to rotate the latter with respect to said body and reel during the operation of said cleanerto maintain a constant length of said cord between said handle and the point of application of said cord on said reel.
  • a suction cleaner an ambulatory chassis, a motor carrier by said chassis,'a casing enclosing said motor and pivotally supported on said chassis, a handle rigidly carried by said casing tor pivoting the latter about its pivotal axis, a cord take-up interposed between said motor and casing and rotatably mounted coincidental to the pivotal axis of said casing, and a current conducting cord connected to said motor and carried by said take-up.
  • a suction cleaner an ambulatory chassis, a motor carried by said chassis, a casing enclosing said motor and pivotally supported on said chassis, a handle rigidly carried by said-casing for pivoting the latter about its pivotal axis, a cord take-up interposed between said motor and casing and rotatably mounted coincidental to the pivotal axis or said casing, a current conducting cord wound upon said take-up and slidably mounted on)said handle, means connecting on said handle.
  • a motor supported on said chassis, a casing rotatably mounted on said chassis, a handle for rotating said casing with respect to said chassis when said handle is oscillated to propel the Y cleaner over the surface being cleaned, a reel rotatably mounted in said casing, a current-conducting cord wound upon said reel and connected to said motor, and a cord slot in said casing for guiding said cord with respect to saidreel, said cord slot moving with said casing with respect to said reel to guide the winding and unwinding of said cord with respect to said reel.
  • a suction cleaner an ambulatory chassis, a motor supported on said chassis, a casing rotatably mounted on said chassis, a handle for rotating said casing with respect to said chassis when said handleis oscillated to propel said cleaner over the surface being cleaned, a reel rotatably mounted in said casing, a current-conducting cordv extending along said handle and wound upon said reel and connected to said motor, means tending to rotate said reel to wind the cord thereon, means on said handle to limit the movement of said cord under the winding impetus of said reel, and a cord slot in said casing for guiding said cord with respect to said reel to guide the winding and unwinding of said cord with respect to said reel.
  • a motor mounted on said chassis with its axis extended transversely to the direction or movement or said ambulatory chassis, a rigid support a motor mounted on said chassis with its axis extended transversely to the direction of move-- ment of said ambulatory chassis, a rigid support extended from one side of said motor, a rotatable cordtake-up reel rotatably mounted on said support, spring means between said support and said reel tending to rotate the latter'in one direction, current-conducting means electrically connecting said reel to said motor in all rotational positions of the former, a currentconducting cord connected to and wound upon said reel, and manually operable means to control the winding of said cord upon said reel.
  • a suction creating unit including a body pivotally mounted on said chassis and housing a motor and tan, a cord take-up within said body comprising a reel and a spring, one end oi said spring being connected to said body and the other end to said reel, a handle connected to said body and adapted to pivot therewith; on said chassis, a cord connected to said reel and extending outwardly through said body, means electrically connecting said cord to said motor, said handle and body and reel pivoting freely as a unit' relative to said chassis whereby the tension of said spring is not varied insaid pivotal movement.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
US157701A 1937-08-06 1937-08-06 Suction cleaner Expired - Lifetime US2246862A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US157701A US2246862A (en) 1937-08-06 1937-08-06 Suction cleaner
GB22356/38A GB517437A (en) 1937-08-06 1938-07-27 Improvements in or relating to suction cleaners or other electrically-operated portable appliances
DE1938H0156685 DE695651C (de) 1937-08-06 1938-08-02 Fahrbarer Staubsauger mit einer gleichachsig zum Mdas Zuleitungskabel
FR844232D FR844232A (fr) 1937-08-06 1938-08-05 Perfectionnements aux appareils de nettoyage par aspiration ou à d'autres appareilsportatifs commandés électriquement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US157701A US2246862A (en) 1937-08-06 1937-08-06 Suction cleaner

Publications (1)

Publication Number Publication Date
US2246862A true US2246862A (en) 1941-06-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
US157701A Expired - Lifetime US2246862A (en) 1937-08-06 1937-08-06 Suction cleaner

Country Status (4)

Country Link
US (1) US2246862A (fr)
DE (1) DE695651C (fr)
FR (1) FR844232A (fr)
GB (1) GB517437A (fr)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2487395A (en) * 1946-05-29 1949-11-08 Charles A Mentges Vacuum cleaner cord retriever
US2503568A (en) * 1944-09-25 1950-04-11 Timm Aircraft Corp Vacuum cleaner
US2591214A (en) * 1944-11-04 1952-04-01 Bernard J Tamarin Vacuum cleaner with detachable reel-and-handle unit
US2661074A (en) * 1949-10-11 1953-12-01 Hoover Co Suction cleaner with cord reel
US2671924A (en) * 1950-05-13 1954-03-16 Hoover Co Counterbalancing means for pivoted motor suction cleaners
US2763025A (en) * 1950-10-24 1956-09-18 Hoover Co Suction cleaning apparatus
US2856627A (en) * 1956-06-26 1958-10-21 Eldridge M Pierce Vacuum cut hair removing machine
US2937396A (en) * 1957-01-15 1960-05-24 Singer Mfg Co Vacuum cleaners with cord reels
US3251107A (en) * 1964-09-17 1966-05-17 Gen Electric Vacuum cleaner cord locking device
US3886888A (en) * 1973-10-01 1975-06-03 Charles O Parsons Ski rope retrieving device
JPS51150708A (en) * 1975-06-20 1976-12-24 Tokyo Electric Co Ltd An electric blowe r
JPS51150709A (en) * 1975-06-20 1976-12-24 Tokyo Electric Co Ltd An electric blower
JPS5272A (en) * 1975-06-20 1977-01-05 Tokyo Electric Co Ltd Electric vacuum cleaner
US5255768A (en) * 1991-09-26 1993-10-26 Rexair, Inc. Cord winder apparatus for a vacuum cleaner system
WO2006094189A2 (fr) 2005-03-03 2006-09-08 Euro-Pro Operating Lcc Dispositif recepteur de fil electrique retractable et appareil de ventilation
US20130117961A1 (en) * 2010-12-01 2013-05-16 Techtronic Floor Care Technology Limited Wheel assembly for a vacuum cleaner

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7621587U1 (de) * 1976-07-08 1976-10-28 Kabel- Und Metallwerke Gutehoffnungshuette Ag, 3000 Hannover Kabeltrommel zum selbsttätigen Aufwickeln einer elektrischen Leitung
DE3506428A1 (de) * 1985-02-23 1986-08-28 Miele & Cie GmbH & Co, 4830 Gütersloh Staubsauger, insbesondere bodenstaubsauger
DE3606378A1 (de) * 1986-02-27 1987-09-03 Vorwerk Co Interholding Kabelaufwickelvorrichtung fuer staubsauger
KR100213362B1 (ko) * 1997-04-30 1999-08-02 배순훈 진공청소기의 전원코드 잠금장치
KR100612202B1 (ko) * 2005-04-13 2006-08-16 삼성광주전자 주식회사 진공청소기 파워코드 정리장치

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503568A (en) * 1944-09-25 1950-04-11 Timm Aircraft Corp Vacuum cleaner
US2591214A (en) * 1944-11-04 1952-04-01 Bernard J Tamarin Vacuum cleaner with detachable reel-and-handle unit
US2487395A (en) * 1946-05-29 1949-11-08 Charles A Mentges Vacuum cleaner cord retriever
US2661074A (en) * 1949-10-11 1953-12-01 Hoover Co Suction cleaner with cord reel
US2671924A (en) * 1950-05-13 1954-03-16 Hoover Co Counterbalancing means for pivoted motor suction cleaners
US2763025A (en) * 1950-10-24 1956-09-18 Hoover Co Suction cleaning apparatus
US2856627A (en) * 1956-06-26 1958-10-21 Eldridge M Pierce Vacuum cut hair removing machine
US2937396A (en) * 1957-01-15 1960-05-24 Singer Mfg Co Vacuum cleaners with cord reels
US3251107A (en) * 1964-09-17 1966-05-17 Gen Electric Vacuum cleaner cord locking device
US3886888A (en) * 1973-10-01 1975-06-03 Charles O Parsons Ski rope retrieving device
JPS51150708A (en) * 1975-06-20 1976-12-24 Tokyo Electric Co Ltd An electric blowe r
JPS51150709A (en) * 1975-06-20 1976-12-24 Tokyo Electric Co Ltd An electric blower
JPS5272A (en) * 1975-06-20 1977-01-05 Tokyo Electric Co Ltd Electric vacuum cleaner
US5255768A (en) * 1991-09-26 1993-10-26 Rexair, Inc. Cord winder apparatus for a vacuum cleaner system
WO2006094189A2 (fr) 2005-03-03 2006-09-08 Euro-Pro Operating Lcc Dispositif recepteur de fil electrique retractable et appareil de ventilation
EP1861856A4 (fr) * 2005-03-03 2009-03-11 Euro Pro Operating Llc Dispositif recepteur de fil electrique retractable et appareil de ventilation
US20130117961A1 (en) * 2010-12-01 2013-05-16 Techtronic Floor Care Technology Limited Wheel assembly for a vacuum cleaner

Also Published As

Publication number Publication date
FR844232A (fr) 1939-07-20
DE695651C (de) 1940-08-29
GB517437A (en) 1940-01-30

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