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.)
B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
B66B5/22—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by means of linearly-movable wedges
B—PERFORMING OPERATIONS; TRANSPORTING
B66—HOISTING; LIFTING; HAULING
B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed