FR548215A - Automatic locking and unlocking device of a mobile barrier - Google Patents

Automatic locking and unlocking device of a mobile barrier

Info

Publication number
FR548215A
FR548215A FR548215DA FR548215A FR 548215 A FR548215 A FR 548215A FR 548215D A FR548215D A FR 548215DA FR 548215 A FR548215 A FR 548215A
Authority
FR
France
Prior art keywords
unlocking device
automatic locking
mobile barrier
barrier
mobile
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
French (fr)
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.)
TECH ET IND D ENTPR S SOC
Original Assignee
TECH ET IND D ENTPR S SOC
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 TECH ET IND D ENTPR S SOC filed Critical TECH ET IND D ENTPR S SOC
Application granted granted Critical
Publication of FR548215A publication Critical patent/FR548215A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20—Movable barrages; Lock or dry-dock gates
    • E02B7/205—Barrages controlled by the variations of the water level; automatically functioning barrages

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
FR548215D 1922-03-04 1922-03-04 Automatic locking and unlocking device of a mobile barrier Expired FR548215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR548215T 1922-03-04

Publications (1)

Publication Number Publication Date
FR548215A true FR548215A (en) 1923-01-10

Family

ID=8934684

Family Applications (1)

Application Number Title Priority Date Filing Date
FR548215D Expired FR548215A (en) 1922-03-04 1922-03-04 Automatic locking and unlocking device of a mobile barrier

Country Status (1)

Country Link
FR (1) FR548215A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904963A (en) * 1955-12-28 1959-09-22 Creusot Forges Ateliers Device for the control of the opening of a gate
US20140328628A1 (en) * 2012-01-16 2014-11-06 Hitachi Zosen Corporation Floating flap gate

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904963A (en) * 1955-12-28 1959-09-22 Creusot Forges Ateliers Device for the control of the opening of a gate
US20140328628A1 (en) * 2012-01-16 2014-11-06 Hitachi Zosen Corporation Floating flap gate
US9091033B2 (en) * 2012-01-16 2015-07-28 Hitachi Zosen Corporation Floating flap gate

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