Door Operators
Technology for the 21st Elevator Century
The science behind a product touting full door-area protection for passengers, freight and the door itself This paper was presented at Madrid 2016, the International Congress on Vertical Transportation Technologies,...
Whatever Happened to MAC Door Equipment?
In this Readers Platform, your author recounts the evolution of a popular door operator and the company that supplies and supports it. Many of you are familiar with MAC door...
A History of Elevator Doors
The 75-year-long evolution of the elevator door featured various designs often driven by the need for greater safety. The modern elevator door is the product of approximately 75 years of...
Compact Elevator Operators
Creating more rentable space for property owners In today’s new-construction and modernization environment, it’s all about compressing time to save money and idealizing space to achieve maximized rental revenues. “To...
The Quintessential Art Deco Object
In this Readers Platform, your author explores the lush designs of elevator doors that reflect the iconic NYC buildings in which they reside. As a style, Art Deco is recognizable...
Evolution of the Freight Elevator Door
The history of Peelle and the vertical biparting freight-elevator door are inextricably linked. Although it was incorporated in New York City (NYC) in 1905, The Peelle Co. traces its roots...
Door Reversal Devices: 1930-1960
Fred Anzley Annett (1879-1959), author of Electric Elevators: Their Design, Construction, Operation and Maintenance, provides a critical framework for this introductory history of elevator-door reversal devices. The first edition of...
Fire-Resistant Elevator Doors in Europe
Fire-Resistant Elevator Doors in Europe EN 81-58, the official European standard since 2004, has a long history. It defines the procedures for door certification, as well as their fire-resistance classification....
Elevator Door Operators: Then and Now
Attendants of yesteryear have given way to high-tech, automated solutions. People of a certain age may remember when automobiles were started not electronically but manually, by turning a hand crank,...
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