Graphical Construction Glossary >> doors. >> door types >> Pivoting doors
A very ancient type of door that is still being used today. The Ancient Greeks had huge temple doors that used this very simple system. In the sketch and in the three photos below the pivot points are located on the centreline of the door width so they are classed as centre pivots.
In my travels around S.E. Asia I have come across many doors like the one above. Some simply let the hanging stiles just extend and when rounded off they form the pivot that slips into holes in the frame and threshold. The doors above date to the middle of the 19th century and they use steel or iron pins and sockets. What could be simpler, the top hole and the pin that fits into it is long enough so that the door can be pushed up higher than the finished position to allow the bottom pin to drop into it's hole.
The doors shown here are fairly heavy but the fact the doors are in effect sitting on the ground there is no problem.
In the old town of Hoi An in Vietnam I have seen doors that would possibly be 500 years old that are sill in excellent working condition. I guess that from time to time the bearing washer that the doors sit on are renewed.
Again there is no need for a timber door frame with gates like these./
The door above is a little tired and worn. The door is holding in the open position on it's own. Normally in good condition the spring mechanism that is built into the bottom pivot box would bring the door to a close when someone lets go of it.
Now for something different, on the right not door that we want to be passing through.
It is in fact a cell door that was last used in anger in the 1950's. One of the old doors at the now open to tourists, Fannie Bay Gaol, in my home town of Darwin, NT.
The door is a sheet of 16mm thick steel plate, so it is very heavy for it's size and consequently the pivot hinges are fairly sturdy as well. As they are bolted onto the face of the door they fall into the category of being offset pivot hinges.
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