FR597554A - Development of safety locking devices for electric elevator doors - Google Patents

Development of safety locking devices for electric elevator doors

Info

Publication number
FR597554A
FR597554A FR597554DA FR597554A FR 597554 A FR597554 A FR 597554A FR 597554D A FR597554D A FR 597554DA FR 597554 A FR597554 A FR 597554A
Authority
FR
France
Prior art keywords
development
locking devices
safety locking
elevator doors
electric elevator
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.)
Vernes Guinet Sigros & Cie Ets
Original Assignee
Vernes Guinet Sigros & Cie Ets
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 Vernes Guinet Sigros & Cie Ets filed Critical Vernes Guinet Sigros & Cie Ets
Application granted granted Critical
Publication of FR597554A publication Critical patent/FR597554A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
    • B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR597554D 1925-05-02 1925-05-02 Development of safety locking devices for electric elevator doors Expired FR597554A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR597554T 1925-05-02

Publications (1)

Publication Number Publication Date
FR597554A true FR597554A (en) 1925-11-24

Family

ID=8968314

Family Applications (1)

Application Number Title Priority Date Filing Date
FR597554D Expired FR597554A (en) 1925-05-02 1925-05-02 Development of safety locking devices for electric elevator doors

Country Status (1)

Country Link
FR (1) FR597554A (en)

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