FR2422854A1 - Perfectionnements aux ensembles telescopiques, notamment pour la suspension d'appareils d'eclairage dans les studios de cinema et de television - Google Patents

Perfectionnements aux ensembles telescopiques, notamment pour la suspension d'appareils d'eclairage dans les studios de cinema et de television

Info

Publication number
FR2422854A1
FR2422854A1 FR7909138A FR7909138A FR2422854A1 FR 2422854 A1 FR2422854 A1 FR 2422854A1 FR 7909138 A FR7909138 A FR 7909138A FR 7909138 A FR7909138 A FR 7909138A FR 2422854 A1 FR2422854 A1 FR 2422854A1
Authority
FR
France
Prior art keywords
square section
mast
guides
tubes
close tolerance
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.)
Pending
Application number
FR7909138A
Other languages
English (en)
Inventor
Robin Victor Rae
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.)
TELE STAGE ASS Ltd
Original Assignee
TELE STAGE ASS Ltd
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 TELE STAGE ASS Ltd filed Critical TELE STAGE ASS Ltd
Publication of FR2422854A1 publication Critical patent/FR2422854A1/fr
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/22—Adjustable mountings telescopic

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Un ensemble télescopique est constitué de tubes successifs 1b, 1c, 1d. Deux tubes voisins 1c, 1d possèdent l'un, extérieurement, deux blocs ou boutons 9c et l'autre, intérieurement, un bloc ou bouton 6 qui, dans la position limite représentée, empêchent un mouvement relatif entre ces tubes, à la fois en translation et en rotation Application support d'appareils d'éclairage pour studios de cinéma et de telévision.
FR7909138A 1978-04-14 1979-04-11 Perfectionnements aux ensembles telescopiques, notamment pour la suspension d'appareils d'eclairage dans les studios de cinema et de television Pending FR2422854A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1481778 1978-04-14

Publications (1)

Publication Number Publication Date
FR2422854A1 true FR2422854A1 (fr) 1979-11-09

Family

ID=10048011

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7909138A Pending FR2422854A1 (fr) 1978-04-14 1979-04-11 Perfectionnements aux ensembles telescopiques, notamment pour la suspension d'appareils d'eclairage dans les studios de cinema et de television

Country Status (4)

Country Link
JP (1) JPS5510180A (fr)
BE (1) BE875558A (fr)
FR (1) FR2422854A1 (fr)
IT (1) IT1119067B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4634228A (en) * 1984-05-01 1987-01-06 Hitachi, Ltd. Ferroelectric liquid crystal cell with rubbed polyimide alignment layer

Also Published As

Publication number Publication date
BE875558A (fr) 1979-07-31
IT1119067B (it) 1986-03-03
JPS5510180A (en) 1980-01-24
IT7967760A0 (it) 1979-04-11

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