FR653764A - Perfectionnements aux pieds télescopiques formant supports, particulièrement applicables aux trépieds ou autres supports pour chambres noires et autres appareils analogues - Google Patents

Perfectionnements aux pieds télescopiques formant supports, particulièrement applicables aux trépieds ou autres supports pour chambres noires et autres appareils analogues

Info

Publication number
FR653764A
FR653764A FR653764DA FR653764A FR 653764 A FR653764 A FR 653764A FR 653764D A FR653764D A FR 653764DA FR 653764 A FR653764 A FR 653764A
Authority
FR
France
Prior art keywords
supports
tripods
similar devices
particularly applicable
telescopic legs
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
Other languages
English (en)
Inventor
Oscar Ulysses Zerk
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 filed Critical
Application granted granted Critical
Publication of FR653764A publication Critical patent/FR653764A/fr
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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32467—Telescoping members
    • Y10T403/32524—Self-locking

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)
  • Earth Drilling (AREA)
FR653764D 1927-07-25 1928-04-19 Perfectionnements aux pieds télescopiques formant supports, particulièrement applicables aux trépieds ou autres supports pour chambres noires et autres appareils analogues Expired FR653764A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US208219A US1798513A (en) 1927-07-25 1927-07-25 Telescoping supporting leg and method of making same

Publications (1)

Publication Number Publication Date
FR653764A true FR653764A (fr) 1929-03-27

Family

ID=22773725

Family Applications (1)

Application Number Title Priority Date Filing Date
FR653764D Expired FR653764A (fr) 1927-07-25 1928-04-19 Perfectionnements aux pieds télescopiques formant supports, particulièrement applicables aux trépieds ou autres supports pour chambres noires et autres appareils analogues

Country Status (3)

Country Link
US (1) US1798513A (fr)
DE (1) DE506478C (fr)
FR (1) FR653764A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3040434A (en) * 1958-01-31 1962-06-26 Roman S Yarosz Rotatable work table
US3043641A (en) * 1958-09-26 1962-07-10 De Witt W Hanmore Adjustable supports
US3528660A (en) * 1968-11-29 1970-09-15 Brandell Products Corp Collapsible golf shaft
US20120248265A1 (en) * 2011-03-28 2012-10-04 Ryan Brill Chair base and methods for the manufacture thereof
CN110454065B (zh) * 2019-08-28 2024-08-09 廖星华 一种快装式安全网或者层架的管材结构

Also Published As

Publication number Publication date
US1798513A (en) 1931-03-31
DE506478C (de) 1930-09-04

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