NL7501579A - TUBULAR COUPLING FOR VACUUM SUCTION DEVICE - has helical grooves and longitudinal slots engaging with mating sections of other pipes - Google Patents

TUBULAR COUPLING FOR VACUUM SUCTION DEVICE - has helical grooves and longitudinal slots engaging with mating sections of other pipes

Info

Publication number
NL7501579A
NL7501579A NL7501579A NL7501579A NL7501579A NL 7501579 A NL7501579 A NL 7501579A NL 7501579 A NL7501579 A NL 7501579A NL 7501579 A NL7501579 A NL 7501579A NL 7501579 A NL7501579 A NL 7501579A
Authority
NL
Netherlands
Prior art keywords
pipes
suction device
vacuum suction
longitudinal slots
helical grooves
Prior art date
Application number
NL7501579A
Other languages
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL7501579A priority Critical patent/NL7501579A/en
Publication of NL7501579A publication Critical patent/NL7501579A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/24—Couplings of the quick-acting type in which the connection is made by inserting one member axially into the other and rotating it to a limited extent, e.g. with bayonet action

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The coupling between the vacuum pumps tubes is in the form of a telescopic arrangement, where one tube has a narrowed end section which bears two small projections diametrically opposite to one another(7). These engage with helical slot ted grooves(8) in the coupling tube(3). The latter also has two longitudinal rectangular slots(9, 10) which are also diametrically opposite to one another and which do not intersect with the grooves. The slots engage with longitudinal ribs in the other portion of the suction tube with which the coupling engages.
NL7501579A 1975-02-11 1975-02-11 TUBULAR COUPLING FOR VACUUM SUCTION DEVICE - has helical grooves and longitudinal slots engaging with mating sections of other pipes NL7501579A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7501579A NL7501579A (en) 1975-02-11 1975-02-11 TUBULAR COUPLING FOR VACUUM SUCTION DEVICE - has helical grooves and longitudinal slots engaging with mating sections of other pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7501579A NL7501579A (en) 1975-02-11 1975-02-11 TUBULAR COUPLING FOR VACUUM SUCTION DEVICE - has helical grooves and longitudinal slots engaging with mating sections of other pipes

Publications (1)

Publication Number Publication Date
NL7501579A true NL7501579A (en) 1976-08-13

Family

ID=19823159

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7501579A NL7501579A (en) 1975-02-11 1975-02-11 TUBULAR COUPLING FOR VACUUM SUCTION DEVICE - has helical grooves and longitudinal slots engaging with mating sections of other pipes

Country Status (1)

Country Link
NL (1) NL7501579A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5079796A (en) * 1986-12-08 1992-01-14 Shop-Vac Corporation Nozzle assembly for a vacuum device
EP1118304A2 (en) * 2000-01-18 2001-07-25 Jinxing Yu Stepless telescopic dust collecting tube for vacuum cleaner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5079796A (en) * 1986-12-08 1992-01-14 Shop-Vac Corporation Nozzle assembly for a vacuum device
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

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