without manually-operable devices for completing locking or unlocking of doors

Full Title

Doors, gates, or other apparatus controlling access to, or exit from, cages or lift-well landings > Door or gate operation > Control systems or devices > 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

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

HOISTING; LIFTING; HAULING

Subclass:

ELEVATORS; ESCALATORS OR MOVING WALKWAYS

Child Classifications

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• B66B 13/2 Lock mechanisms actuated mechanically by abutments or projections on the cages