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Publication of FR415242ApublicationCriticalpatent/FR415242A/fr
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
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Engineering & Computer Science
(AREA)
Automation & Control Theory
(AREA)
FR415242D1910-04-271910-04-27Dispositif de sécurité pour ascenseurs
ExpiredFR415242A
(fr)