FR831352A - Security lock for landing doors - Google Patents

Security lock for landing doors

Info

Publication number
FR831352A
FR831352A FR831352DA FR831352A FR 831352 A FR831352 A FR 831352A FR 831352D A FR831352D A FR 831352DA FR 831352 A FR831352 A FR 831352A
Authority
FR
France
Prior art keywords
security lock
landing doors
landing
doors
security
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 ETS
Original Assignee
VERNES GUINET 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 ETS filed Critical VERNES GUINET ETS
Application granted granted Critical
Publication of FR831352A publication Critical patent/FR831352A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR831352D 1937-04-09 1937-04-09 Security lock for landing doors Expired FR831352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR831352T 1937-04-09

Publications (1)

Publication Number Publication Date
FR831352A true FR831352A (en) 1938-09-01

Family

ID=9291727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR831352D Expired FR831352A (en) 1937-04-09 1937-04-09 Security lock for landing doors

Country Status (1)

Country Link
FR (1) FR831352A (en)

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