US3083041A - Locking device for telescopically fitted parts - Google Patents

Locking device for telescopically fitted parts Download PDF

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Publication number
US3083041A
US3083041A US706317A US70631757A US3083041A US 3083041 A US3083041 A US 3083041A US 706317 A US706317 A US 706317A US 70631757 A US70631757 A US 70631757A US 3083041 A US3083041 A US 3083041A
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United States
Prior art keywords
locking device
hollow
locking element
tubular member
locking
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
US706317A
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English (en)
Inventor
Owenmark Olov Stanley
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Electrolux AB
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Electrolux AB
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Filing date
Publication date
Application filed by Electrolux AB filed Critical Electrolux AB
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Publication of US3083041A publication Critical patent/US3083041A/en
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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
    • 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
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A47L9/244—Hose or pipe couplings for telescopic or extensible hoses or pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
    • F16L19/065—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends the wedging action being effected by means of a ring
    • F16L19/0653—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends the wedging action being effected by means of a ring the ring being rotatably connected to one of the connecting parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/08—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts with metal rings which bite into the wall of the pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/12—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement
    • F16L27/127—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement with means for locking the longitudinal adjustment or movement in the final mounted position
    • F16L27/1274—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement with means for locking the longitudinal adjustment or movement in the final mounted position by means of a swivel nut

Definitions

  • Another object of the invention is to provide an improved locking device of this type which can be operated without the use of tools for adjusting at will the overall length of the telescopically fitted parts. I accomplish this by threadedly connecting the telescopically fitting parts with structure having cooperating members, of which one is movable on the telescopically fitted part with which it is associated and resiliently fixed thereto.
  • FIG. 1 is a perspective view of a suction cleaner having a cleaning appliance connected to an adjustable wand pro vided with a locking device embodying my invention
  • FIG. 2 is an enlarged fragmentary perspective view, partly broken away and in section, of the adjustable wand shown in FIG. 1 to illustrate the locking device more clearly;
  • FIG. 3 is an exploded perspective view of the locking device shown in FIG. 2 to illustrate details.
  • a horizontal tank-type suction cleaner which includes a casing having an end cover 11.
  • the end coverfll is provided with an inlet 11a to which a suction hose 12 is adapted to be removably secured in any suitable manner (not shown).
  • Suitable cleaning appliances such as a nozzle 14, for example, may be connected to a wand 13 which in turn is connected to the outer free end of the hose 12 and through which air is drawn into the casing '10 by a suitable motor-fan unit (not shown) disposed therein.
  • the adjustablewand 13 which is employed to manipulate the nozzle 14 over a surface to be cleaned, comprises outer and inner tubular members 16 and 17, respectively, which are formed to fit telescopically one within the other. After the tubular members 16 and 17 are moved lengthwise of each other to provide a wand 13 of the desired length, as between the solid and dotted line positions illustrated in FIG. 1, the tubular members 16 and 17 may be clamped to one another by a locking device 15.
  • the locking device comprises a hollow sleeve-like element 20 in the form of a split ring which is externally threaded and provided with spaced apart lugs or bosses 21 at its inner surface.
  • the element 20, which is resilient in character, is mounted in 3,083,041 Patented Mar. 26, 1963 position on the outer tube 16 by expanding the element sufficiently to enable it to be moved over a conical-shaped end portion 18 of the outer tube to a region at the immediate vicinity of slots or openings 19.
  • the openings 19 receive the lugs 21 of the element 20 and the latter assumes its undistorted shape seen in FIG. 3, the element 20 in such mounted position being in juxtaposition to the small end of the conical-shaped portion 18 of the outer tube 16.
  • the element 20 forms an externally threaded end portion of the outer tube 16, and, due to the inherently resilient character of the element, the lugs or bosses 21 are effectively held in the slots 19 so that the element 20 forms a unitary part of the outer tube 16 and is always movable therewith.
  • the externally threaded element '20 is adapted to receive an internally threaded hollow member or nut 25 within which is disposed a locking element 22 which also is resilient in character.
  • the hollow member 25, which is formed with an outer serrated surface, is provided with an inturned flange 28 defining an opening 27 through which the locking element 22 is moved when it is mounted on the member 25 to form a unitary part thereof.
  • One end of the locking element 22 is provided with a pair of spaced apart beads 29 and 23 having a ring-shaped groove therebetween which is adapted to receive the inturned flange 28 of the hollow member 25.
  • the opposite end of the locking element 22 is wedge-shaped, as best seen in FIG. 3.
  • the element 22 at its beaded end is formed with spaced apart V-shaped notches 23 and at its opposite wedgeshaped end is formed with parallel spaced apart slits 23a to provide a plurality of clamping jaws 22a.
  • the inner diameter of the hollow locking element 22 is slightly smaller at its wedge-shaped end 22a than at its beaded end 29.
  • the locking element 22 is mounted in position on the hollow member 25, the element 22 is inserted into the member 25 by moving it toward the right in 'FIG. 3 and through the open internally threaded end thereof. Since the bead 29 is beveled, the latter readily moves over the inturned flange 28 of the member 25, the resilient sections 24 of the element22 readily yielding until the flange fits in the ring-shaped groove formed between the beads 23 and 29.
  • the frictional contact of the locking element 22 with the tubular member 17 is of such a character that this element, together with the hollow member 25 to which it is fixed, may be moved lengthwise of the tubular member 17 without any difiiculty and simply by overcoming the frictional contact between the locking element 22 and the tubular member 17. Further, this frictional contact is of such a character that the hollow member 25 is rotat able with respect to the locking element 22, the frictional contact between locking element 22 and tubular member 17 being suflicient to prevent rotating movement being imparted to the element 2-2 when the hollow member 25 is being rotated about the tubular member 17.
  • the frictional contact between the locking element 22 and tubular member 17 is of such as character that, when the hollow member 25 and element 22 are moved lengthwise of the tubular member 17 as a unit, these parts will remain in any position on the tubular member 17 to which they are moved.
  • the inner tubular member 17 is formed with a collar 31 which is movable within the outer tubular member 16.
  • the shoulder 32 on the collar 31 moves against the lugs 21 which limit the extent to which the members 16 and 17 can be moved apart.
  • the tubular members 16 and 17 can be moved toward or from one another to adjust the wand 13 to whatever length is deemed most suitable for manipulating the nozzle 14 over a surface to be cleaned, such length being dependent either upon the height of the operator or other operating conditions present during a particular cleaning operation. Thereafter, the hollow member or nut 25 is screwed tightly on the element 20 to render locking member 22 effective to lock the tubular members 16 and 17 together.
  • the element 26 and hollow member 25 may be provided with left-hand threads whereby, when the hollow member 25 is rotated in the direction of the arrow A with respect to the threaded element 20, as shown in FIG. 2, the mem ber 25 and element 20 are drawn toward one another.
  • the tightening of the hollow nut 25 on the externally threaded element 20 causes the beveled jaws 22a to become wedged between the inner surface of the conical-shaped section 18 of the outer tubular member 16 and the outer surface of the inner tubular member 17 to lock these tubular members to one another and prevent axial and rotative movement therebetween.
  • the hollow nut 25 is rotated in the opposite direction from the direction of the arrow A in FIG. 2. It is'not necessary to unscrew the hollow nut 25 completely from the threaded element 20, but simply to move these parts axially from one another a sufficient distance so that the jaws 22a are no longer wedged between the conical-shaped section 18 of the outer tubular member 16 and outer surface of the inner tubular member 17. When this occurs, the tubular members 16 and 17 may be moved lengthwise with respect 28 and hollow member tightly together and subsequently manually loosen these parts without any difficulty and without the use of tools.
  • Inner and outer telescopically fitting hollow tubular members which are axially movable with respect to one another to provide a passage of variable length, the outer member at an extreme end thereof having an outwardly flared portion whose inner surface is spaced from the outer surface of the inner member to provide an annular gap therebetween, a split resilient ring snugly embracing the outer member which is externally threaded and suf ficiently resilient to be positioned on the outer member over its outwardly flared portion, means for removably holding the split resilient ring on the outer member at a region axially removed from the outwardly flared portion thereof, a collar disposed about the inner member which is rotatable and axially movable thereon, the collar being internally threaded at one end for threaded engagement with the split resilient ring and having an inturned flange at its other end, a deformable resilient hollow sleeve defining a truncated cone which, when undeformed, is of less internal diameter at its small or nose end than at its
  • plastic of a type like nylon inherently possesses an inherent lubricating quality which makes it possible to draw the elements movable with respect to one another.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Electric Vacuum Cleaner (AREA)
US706317A 1957-01-10 1957-12-31 Locking device for telescopically fitted parts Expired - Lifetime US3083041A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE859475X 1957-01-10

Publications (1)

Publication Number Publication Date
US3083041A true US3083041A (en) 1963-03-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
US706317A Expired - Lifetime US3083041A (en) 1957-01-10 1957-12-31 Locking device for telescopically fitted parts

Country Status (5)

Country Link
US (1) US3083041A (ru)
DE (1) DE1199445B (ru)
FR (1) FR1187376A (ru)
GB (1) GB859475A (ru)
NL (2) NL104751C (ru)

Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212795A (en) * 1962-07-16 1965-10-19 Hoover Co Connecting devices
US3284114A (en) * 1964-08-21 1966-11-08 Vermont American Corp Telescoping pole
US3309113A (en) * 1966-02-24 1967-03-14 Hoover Co Coupling for suction cleaner attachments
US3896972A (en) * 1973-07-09 1975-07-29 Samuel W Neidore Remote liquid distribution system
US4062572A (en) * 1976-08-30 1977-12-13 Inner-Tite, A Division Of Yara Engineering Corporation Transition fittings
US4099798A (en) * 1975-11-12 1978-07-11 Kabelschlepp Gesellschaft Mit Beschrankter Haftung Stripper device for guide tracks on tool machines
DE2941537C2 (de) * 1979-10-13 1982-01-07 Cullmann Handelsgesellschaft für Verbrauchsgüter mbH, 8506 Langenzenn Teleskopisch verstellbare Stütze, insbesondere für ein Kamerastativ
US4807834A (en) * 1984-03-09 1989-02-28 The United States Of America As Represented By The Administrator, National Aeronautics And Space Administration Space station architecture, module, berthing hub, shell assembly, berthing mechanism and utility connection channel
US4878697A (en) * 1987-10-14 1989-11-07 Dresser Industries, Inc. Compression coupling for plastic pipe
US5121949A (en) * 1988-05-12 1992-06-16 Dresser Industries, Inc. Compression coupling
US5462311A (en) * 1992-11-13 1995-10-31 Royal Appliance Mfg. Co. Telescoping wand for vacuum cleaners
US5823578A (en) * 1997-05-15 1998-10-20 Yah-De Co., Ltd. Extensible metallic tube structure
US5836620A (en) * 1996-09-10 1998-11-17 Kinergy Industrial Co., Ltd. Telescopic extension wand for vacuum cleaner
US6027087A (en) * 1998-05-07 2000-02-22 Stoney Point Products, Inc. Releasably retaining telescoping tubing segments
US6101673A (en) * 1998-05-04 2000-08-15 Aktiebolaget Electrolux Tube shaft for a vacuum cleaner
EP1118304A2 (en) * 2000-01-18 2001-07-25 Jinxing Yu Stepless telescopic dust collecting tube for vacuum cleaner
WO2002028263A1 (en) * 2000-09-29 2002-04-11 Oreck Holdings, Llc Handle and exhaust duct coupling assemblies for floor care machines
WO2002071913A1 (en) * 2001-03-08 2002-09-19 Dyson Ltd Wand assembly for a domestic appliance
US20040138627A1 (en) * 2003-01-15 2004-07-15 Forrest Kevin M. Seal assembly for elastomeric infusion pump
US6905080B2 (en) 2001-10-17 2005-06-14 Tony Pohorecki Pressure washing apparatus and method
US20050140137A1 (en) * 2003-12-31 2005-06-30 Samsung Gwangju Electronics Co., Ltd. Hose lock apparatus for vacuum cleaner
US20050140136A1 (en) * 2003-12-30 2005-06-30 Samsung Gwangju Electronics Co., Ltd. Hose lock apparatus for vacuum cleaner
WO2005082221A1 (de) * 2004-03-01 2005-09-09 Roxxan Gmbh Vorrichtung zum stufenlosen verstellen von staubsaugerrohren
US20050198764A1 (en) * 2002-09-14 2005-09-15 Dyson Technology Limited Cleaning appliance
US20060273588A1 (en) * 2005-06-07 2006-12-07 Allied Tube & Conduit Corporation Joint construction, connector sleeve, a coupling assembly, and a method for preparation
EP1733673A2 (en) 2005-06-14 2006-12-20 Hoover Limited Vacuum cleaner
US20070131089A1 (en) * 2005-12-12 2007-06-14 Wu-Hong Hsieh Support for musical instrument
US20080168627A1 (en) * 2007-01-16 2008-07-17 Hsin-Yuan Lai Portable power supplying device
EP1949812A1 (en) * 2007-01-18 2008-07-30 Fuko Inc Positioning sleeve for a telescopic rod
US20090033091A1 (en) * 2007-07-30 2009-02-05 Tzu Liang Tsai Quick connector
GB2452044A (en) * 2007-08-21 2009-02-25 Dyson Technology Ltd A wand for an appliance
US20090249569A1 (en) * 2008-04-08 2009-10-08 Carrand Companies, Inc. Water Flow Through Pole With Locking Mechanism
US7877837B2 (en) 2002-09-14 2011-02-01 Dyson Technology Limited Cleaning appliance including a telescopic wand assembly retainer
US8506200B2 (en) * 2011-07-26 2013-08-13 Qi Lu Rapid locking hand knob construct
US8622355B2 (en) 2010-05-18 2014-01-07 Paragon Furniture LP Extendible leg assembly and retaining system
US20140318765A1 (en) * 2013-04-25 2014-10-30 Baker Hughes Incorporated Mechanically Locked Debris Barrier
US9204774B1 (en) * 2013-03-20 2015-12-08 Craig A. Jackson Adjustable wand for cleaning apparatus
US20170089374A1 (en) * 2015-09-24 2017-03-30 Gem Products, Inc. Outrigger clamp
US20180014522A1 (en) * 2015-09-24 2018-01-18 Gem Products, Inc. Outrigger Clamp with Attachment Point
WO2018086751A1 (en) * 2016-11-14 2018-05-17 Kutting Uk Limited A connector device
US10377210B2 (en) * 2013-12-27 2019-08-13 Japan Climate Systems Corporation Drain hose
US11358709B2 (en) * 2014-10-27 2022-06-14 Guangzhou Xaircraft Technology Co., Ltd. Rotorcraft and connecting structure for arm and airframe of rotorcraft
US20230277012A1 (en) * 2022-03-03 2023-09-07 House of Atlas, LLC Customizable Shower Caddy
US11825940B2 (en) 2020-05-18 2023-11-28 House of Atlas, LLC Customizable shower caddy
US11944222B2 (en) 2019-07-30 2024-04-02 House of Atlas, LLC Adjustable rod features
US11950722B2 (en) 2019-03-08 2024-04-09 House of Atlas, LLC Dual-mounted end cap system and locking system for an adjustable rod
US12121174B2 (en) 2023-01-18 2024-10-22 House of Atlas, LLC Dual-mounted end cap system and locking system for an adjustable rod

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JPS54131119A (en) * 1978-04-03 1979-10-12 Nippon Telegr & Teleph Corp <Ntt> Wedge inserting type hard vinyl tube joint
DE3227798A1 (de) * 1981-01-29 1984-01-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Klemmvorrichtung an zwei ineinanderschiebbaren saugrohren
DE3102898A1 (de) * 1981-01-29 1982-08-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Klemmvorrichtung an zwei ineinanderschiebbaren saugrohren
DE3514945A1 (de) * 1985-04-25 1986-10-30 Miele & Cie GmbH & Co, 4830 Gütersloh Anschlussstutzen fuer eine staubsaugerbodenduese oder dgl.
US5079796A (en) * 1986-12-08 1992-01-14 Shop-Vac Corporation Nozzle assembly for a vacuum device
SE506305C2 (sv) * 1994-03-01 1997-12-01 Electrolux Ab Anordning vid en dammsugare
EP1106133A1 (en) * 1999-12-07 2001-06-13 Wuxian Yuexi Power Cable and Electrical Factory Telescopic vacuum cleaner suction pipe
GB2390407B (en) * 2002-05-31 2005-10-26 Sholley Trolleys Ltd Clamping device for tubes

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US1078129A (en) * 1913-05-29 1913-11-11 John Arthur Corrigan Joint for train-pipe connections.
US1266989A (en) * 1917-07-19 1918-05-21 Orton L Prime Composite metal plug.
DE723967C (de) * 1937-10-05 1942-08-14 Karl Sander Rohrklemmverbindung
US2527988A (en) * 1948-03-25 1950-10-31 Edward M Dillon Mouthpiece for musical instruments
US2531922A (en) * 1945-02-08 1950-11-28 Pidco Ltd Pipe coupling and the like
GB694268A (en) * 1951-05-11 1953-07-15 Ici Ltd Improvements in or relating to pipe couplings
US2647798A (en) * 1948-03-31 1953-08-04 Edward D Ballard Nozzle assembly for fire-fighting equipment
US2696995A (en) * 1951-09-17 1954-12-14 Herter Inc S Mechanism for interconnecting gun accessories with the muzzle end portion of gun barrels
US2735699A (en) * 1956-02-21 chadbourne
US2839316A (en) * 1954-03-03 1958-06-17 Royal Appliance Mfg Detachable suction cleaner swivel coupling
US2862686A (en) * 1954-08-19 1958-12-02 Thompson Prod Inc Hollow vane with internal vibration dampener

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US2735699A (en) * 1956-02-21 chadbourne
US980848A (en) * 1910-06-22 1911-01-03 William G Stewart Sink connection.
US1078129A (en) * 1913-05-29 1913-11-11 John Arthur Corrigan Joint for train-pipe connections.
US1266989A (en) * 1917-07-19 1918-05-21 Orton L Prime Composite metal plug.
DE723967C (de) * 1937-10-05 1942-08-14 Karl Sander Rohrklemmverbindung
US2531922A (en) * 1945-02-08 1950-11-28 Pidco Ltd Pipe coupling and the like
US2527988A (en) * 1948-03-25 1950-10-31 Edward M Dillon Mouthpiece for musical instruments
US2647798A (en) * 1948-03-31 1953-08-04 Edward D Ballard Nozzle assembly for fire-fighting equipment
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US2696995A (en) * 1951-09-17 1954-12-14 Herter Inc S Mechanism for interconnecting gun accessories with the muzzle end portion of gun barrels
US2839316A (en) * 1954-03-03 1958-06-17 Royal Appliance Mfg Detachable suction cleaner swivel coupling
US2862686A (en) * 1954-08-19 1958-12-02 Thompson Prod Inc Hollow vane with internal vibration dampener

Cited By (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212795A (en) * 1962-07-16 1965-10-19 Hoover Co Connecting devices
US3284114A (en) * 1964-08-21 1966-11-08 Vermont American Corp Telescoping pole
US3309113A (en) * 1966-02-24 1967-03-14 Hoover Co Coupling for suction cleaner attachments
US3896972A (en) * 1973-07-09 1975-07-29 Samuel W Neidore Remote liquid distribution system
US4099798A (en) * 1975-11-12 1978-07-11 Kabelschlepp Gesellschaft Mit Beschrankter Haftung Stripper device for guide tracks on tool machines
US4062572A (en) * 1976-08-30 1977-12-13 Inner-Tite, A Division Of Yara Engineering Corporation Transition fittings
DE2941537C2 (de) * 1979-10-13 1982-01-07 Cullmann Handelsgesellschaft für Verbrauchsgüter mbH, 8506 Langenzenn Teleskopisch verstellbare Stütze, insbesondere für ein Kamerastativ
US4807834A (en) * 1984-03-09 1989-02-28 The United States Of America As Represented By The Administrator, National Aeronautics And Space Administration Space station architecture, module, berthing hub, shell assembly, berthing mechanism and utility connection channel
US4878697A (en) * 1987-10-14 1989-11-07 Dresser Industries, Inc. Compression coupling for plastic pipe
US5121949A (en) * 1988-05-12 1992-06-16 Dresser Industries, Inc. Compression coupling
US5462311A (en) * 1992-11-13 1995-10-31 Royal Appliance Mfg. Co. Telescoping wand for vacuum cleaners
US5836620A (en) * 1996-09-10 1998-11-17 Kinergy Industrial Co., Ltd. Telescopic extension wand for vacuum cleaner
US5823578A (en) * 1997-05-15 1998-10-20 Yah-De Co., Ltd. Extensible metallic tube structure
US6101673A (en) * 1998-05-04 2000-08-15 Aktiebolaget Electrolux Tube shaft for a vacuum cleaner
US6027087A (en) * 1998-05-07 2000-02-22 Stoney Point Products, Inc. Releasably retaining telescoping tubing segments
EP1118304A2 (en) * 2000-01-18 2001-07-25 Jinxing Yu Stepless telescopic dust collecting tube for vacuum cleaner
EP1118304A3 (en) * 2000-01-18 2003-01-22 Jinxing Yu Stepless telescopic dust collecting tube for vacuum cleaner
WO2002028263A1 (en) * 2000-09-29 2002-04-11 Oreck Holdings, Llc Handle and exhaust duct coupling assemblies for floor care machines
US6442793B1 (en) * 2000-09-29 2002-09-03 Oreck Holdings, Llc Handle and exhaust duct coupling assemblies for floor care machines
EP1326522A4 (en) * 2000-09-29 2007-04-11 Oreck Holdings Llc HANDLE AND DRAIN COUPLING ASSEMBLY FOR FLOOR MACHINES
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Also Published As

Publication number Publication date
FR1187376A (fr) 1959-09-10
GB859475A (en) 1961-01-25
DE1199445B (de) 1965-08-26
NL222551A (ru)
NL104751C (ru)

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