Round and Round


I’ve always held the door open for ladies and elders. Lately I’m noticing more and more people holding the door for me. But what happens when the door is a revolving one?
manual revolving door

I’m told the proper thing is to jump ahead of the lady to do the “strong” pushing. Whatever. It’s always been confusing.

A fellow named Theo Van Kannel received a U.S. patent for the revolving door in 1888. There had already been a German patent on this idea in 1881, but the idea died.

It seems ol’ Theo didn’t like ladies and especially didn’t like opening doors for them. That’s the story. He never married, but worked for years developing his heavy wooden three door system. He installed the first one at an upscale New York restaurant called Rector’s in  Times Square. Van Kannel sold his company to International Steel, known today as the International Revolving Door company.

Revolving doors are energy efficient by regulating temperature and air pressure. Much less air rushes in and out when people use them. Most studies show as much as 30% of energy is saved.  However, there is usually a regular door next to the revolving one and 70% of folks prefer using those.

Van Kannel died in 1919 and never received acclaim for his invention. He was inducted into the National Inventors Hall of Fame in 2007.

So, next time fellows, jump in front of the ladies and say, “Let me get that for you, and
push away.

 

revolving-door

About bakoheat

Writer/Musician
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One Response to Round and Round

  1. fiddlrts says:

    My kids, on the other hand, always prefer the revolving one. 🙂

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