Sensors
Design Diversity
Not all freight storage and movement systems are identical, so it makes sense to match elevator doors with correct usage. Freight elevator door designs, such as those designed and produced...
The M-C-K Automatic Safety
This History article investigates an interlock for use on operator-controlled doors designed to prevent the car from moving if the doors were open and to prevent them from being opened...
Price Versus Cost of Stainless-Steel Elevator Sills
Warrenville, Illinois-based company details advantages of a tougher material in this Product Spotlight. submitted by Plymouth Engineered Shapes When an elevator is out of service, the minimum cost to replace...
Monitoring From the Outside in
Exploring predictive remote monitoring on doors and related sensors by Dan Bryant and Marty Blackmon Doors and Monitoring Equipment Explained Elevator doors and the equipment for automated control come in...
Open Wide
Freight elevator modernization included replacement of huge doors, the likes of which most mechanics will never encounter. Elevator modernizations almost always pose unique challenges. Current products are not always a...
All Sills, All the Time
New Jersey-based Archi-Tread finds success with a niche product. by Kaija Wilkinson A sill is a small elevator component — typically no more than a few inches wide and approximately...
3D Radar Light Curtain
Research combines tested technology for this “smart” system. by Matt Davies Infrared (IR)-based light curtains have been the accepted way of protecting passengers from closing elevator doors since the 1990s....
A Look at Door Safety
Stricter regulations may be in the future, but now is a good time to review existing rules. by Muharrem B. Çakırer It has been said, “The rules in aviation are...
An Apparatus for Measuring Velocity, Deceleration and Stopping Distance of Escalators and Moving Walks
by Yihui Ruan, Yucheng Qin, Baosheng Tang, Liang Ye and Mingtao Chen It is estimated that 2.5% of all escalator stops lead to passenger falls, which can cause injury, and,...
Methods for the Safety Integrity Determination of an Electric/Electronic/Programmable Electronic System
by A. Mutu, Y. Pang, J. van Vliet and G. Lodewijks This paper was presented at USA 2012, the International Congress on Vertical Transportation Technologies and first published in IAEE...