GB658490A - Improvements in or relating to telescopic tubes - Google Patents

Improvements in or relating to telescopic tubes

Info

Publication number
GB658490A
GB658490A GB2977949A GB2977949A GB658490A GB 658490 A GB658490 A GB 658490A GB 2977949 A GB2977949 A GB 2977949A GB 2977949 A GB2977949 A GB 2977949A GB 658490 A GB658490 A GB 658490A
Authority
GB
United Kingdom
Prior art keywords
relating
stands
telescopic tubes
tubes
tube
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
Application number
GB2977949A
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.)
Individual
Original Assignee
Individual
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
Priority to FR999021D priority Critical patent/FR999021A/fr
Priority to DEP53623A priority patent/DE802478C/en
Application filed by Individual filed Critical Individual
Priority to GB2977949A priority patent/GB658490A/en
Priority to CH280221D priority patent/CH280221A/en
Priority to US144993A priority patent/US2719688A/en
Publication of GB658490A publication Critical patent/GB658490A/en
Expired legal-status Critical Current

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

Abstract

658,490. Stands. SEIFERT, K. Nov. 21, 1949, No. 29779. [Class 52 (iii)] [Also in Group XL (c)] In a metal or plastic telescopic tube for stands wherein extension is limited by abutment of an enlarged end 3 on the inner tube against a constriction 5 on the outer tube the enlargements are reinforced by one or more transverse walls formed by the insertion of one or more cups 9 or discs. Spring-urged detent-pins 6 and an air vent 11 may be provided and the tubes may be non- circular in section.
GB2977949A 1949-09-02 1949-11-21 Improvements in or relating to telescopic tubes Expired GB658490A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR999021D FR999021A (en) 1949-11-21
DEP53623A DE802478C (en) 1949-09-02 1949-09-02 Extension tube, especially for tripods
GB2977949A GB658490A (en) 1949-11-21 1949-11-21 Improvements in or relating to telescopic tubes
CH280221D CH280221A (en) 1949-11-21 1949-12-08 Extension tube, especially for tripods.
US144993A US2719688A (en) 1949-11-21 1950-02-18 Telescopic tubes

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
GB658490A true GB658490A (en) 1951-10-10

Family

ID=10297035

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2977949A Expired GB658490A (en) 1949-09-02 1949-11-21 Improvements in or relating to telescopic tubes

Country Status (3)

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

Cited By (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
GB2392459B (en) * 2001-05-24 2005-11-23 Caravan Canopy Internat Inc Pull pin assembly for canopy
CN108757670A (en) * 2018-06-13 2018-11-06 南京对数科技有限公司 A kind of quick dismantled and assembled attachment device based on magnetic part

Cited By (8)

* 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
GB2392459B (en) * 2001-05-24 2005-11-23 Caravan Canopy Internat Inc Pull pin assembly for canopy
USRE40657E1 (en) 2001-05-24 2009-03-10 Caravan Canopy International, Inc. Pull pin assembly for canopy
CN108757670A (en) * 2018-06-13 2018-11-06 南京对数科技有限公司 A kind of quick dismantled and assembled attachment device based on magnetic part

Also Published As

Publication number Publication date
FR999021A (en) 1952-01-25
CH280221A (en) 1952-01-15

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