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
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Publication of NL7300903ApublicationCriticalpatent/NL7300903A/xx
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
