FR743208A - - Google Patents

Info

Publication number
FR743208A
FR743208A FR743208DA FR743208A FR 743208 A FR743208 A FR 743208A FR 743208D A FR743208D A FR 743208DA FR 743208 A FR743208 A FR 743208A
Authority
FR
France
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
Publication date
Application granted granted Critical
Publication of FR743208A publication Critical patent/FR743208A/fr
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
    • B66B13/20—Lock mechanisms actuated mechanically by abutments or projections on the cages

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
FR743208D Expired FR743208A (fr)

Publications (1)

Publication Number Publication Date
FR743208A true FR743208A (fr) 1933-03-25

Family

ID=1547502

Family Applications (1)

Application Number Title Priority Date Filing Date
FR743208D Expired FR743208A (fr)

Country Status (1)

Country Link
FR (1) FR743208A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856028A (en) * 1953-06-22 1958-10-14 Dover Corp Automatic locking device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856028A (en) * 1953-06-22 1958-10-14 Dover Corp Automatic locking device

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