Positively-acting devices, e.g. latches, knives

Full Title

Applications of checking, fault-correcting or safety devices in elevators > responsive to abnormal operating conditions > Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well > Positively-acting devices, e.g. latches, knives

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

HOISTING; LIFTING; HAULING

Subclass:

ELEVATORS; ESCALATORS OR MOVING WALKWAYS