CH280221A - Extension tube, especially for tripods. - Google Patents

Extension tube, especially for tripods.

Info

Publication number
CH280221A
CH280221A CH280221DA CH280221A CH 280221 A CH280221 A CH 280221A CH 280221D A CH280221D A CH 280221DA CH 280221 A CH280221 A CH 280221A
Authority
CH
Switzerland
Prior art keywords
tripods
extension tube
extension
tube
Prior art date
Application number
Other languages
German (de)
Inventor
Seifert Gebr
Original Assignee
Seifert Geb
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 Seifert Geb filed Critical Seifert Geb
Publication of CH280221A publication Critical patent/CH280221A/en

Links

Classifications

    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/10—Telescoping systems
    • F16B7/105—Telescoping systems locking in discrete positions, e.g. in extreme extended position
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F7/00—Show stands, hangers, or shelves, adapted for particular articles or materials
    • A47F7/06—Show stands, hangers, or shelves, adapted for particular articles or materials for hats or wigs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
CH280221D 1949-11-21 1949-12-08 Extension tube, especially for tripods. CH280221A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2977949A GB658490A (en) 1949-11-21 1949-11-21 Improvements in or relating to telescopic tubes

Publications (1)

Publication Number Publication Date
CH280221A true CH280221A (en) 1952-01-15

Family

ID=10297035

Family Applications (1)

Application Number Title Priority Date Filing Date
CH280221D CH280221A (en) 1949-11-21 1949-12-08 Extension tube, especially for tripods.

Country Status (3)

Country Link
CH (1) CH280221A (en)
FR (1) FR999021A (en)
GB (1) GB658490A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2693379A (en) * 1952-04-25 1954-11-02 Lewis H Rath Coupling connection for auger pipe
US3318560A (en) * 1964-08-03 1967-05-09 Armed Forces Equipment Dev Cor Mast assembly and ground engaging support therefor
US4770467A (en) * 1987-06-12 1988-09-13 Everest & Jennings, Inc. Footrest unit for wheelchairs
GB2236908A (en) * 1989-10-14 1991-04-17 Peng Wu Sheng Retractable antenna
US5139040A (en) * 1990-01-16 1992-08-18 Kelly James V Collapsible lightweight crutch
US6575656B2 (en) * 2001-05-24 2003-06-10 Caravan Canopy International, Inc. Pull pin assembly for canopy
CN108757670B (en) * 2018-06-13 2024-11-05 湖北玥研科技有限公司 A quick detachable connection device based on magnetic components

Also Published As

Publication number Publication date
GB658490A (en) 1951-10-10
FR999021A (en) 1952-01-25

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