FR1507082A - Device for the automatic spacing of the rods of a tripod carrying a projection screen - Google Patents

Device for the automatic spacing of the rods of a tripod carrying a projection screen

Info

Publication number
FR1507082A
FR1507082A FR9618A FR42009618A FR1507082A FR 1507082 A FR1507082 A FR 1507082A FR 9618 A FR9618 A FR 9618A FR 42009618 A FR42009618 A FR 42009618A FR 1507082 A FR1507082 A FR 1507082A
Authority
FR
France
Prior art keywords
rods
projection screen
automatic spacing
tripod carrying
tripod
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
FR9618A
Other languages
French (fr)
Inventor
Roberto Bencini
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 FR1507082A publication Critical patent/FR1507082A/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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/08—Foot or support base

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Accessories Of Cameras (AREA)
FR9618A 1966-09-26 1966-12-30 Device for the automatic spacing of the rods of a tripod carrying a projection screen Expired FR1507082A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2201866 1966-09-26

Publications (1)

Publication Number Publication Date
FR1507082A true FR1507082A (en) 1967-12-22

Family

ID=11190258

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9618A Expired FR1507082A (en) 1966-09-26 1966-12-30 Device for the automatic spacing of the rods of a tripod carrying a projection screen

Country Status (3)

Country Link
DE (1) DE1272559B (en)
FR (1) FR1507082A (en)
NL (1) NL6701337A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6125867A (en) * 1998-03-16 2000-10-03 Takeshi Ishizaka Self-supporting umbrella

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899164A (en) * 1959-08-11 Portable tripod stand for projection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6125867A (en) * 1998-03-16 2000-10-03 Takeshi Ishizaka Self-supporting umbrella

Also Published As

Publication number Publication date
NL6701337A (en) 1968-03-27
DE1272559B (en) 1968-07-11

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