emile norman created cypress trees a set of panels for a paper-covered sliding door.
emile norman created cypress trees a set of panels for a paper-covered sliding door.
who created cypress trees a set of panels for a paper-covered sliding door?
emile norman
Na
Na
sliding door operator









































a sliding door operator (or sliding door opener or automatic sliding door operator) is a device that operates a sliding door for pedestrian use. it opens the door automatically, waits, then closes it.









































section::::uses.









































sliding door operators are typically used on the outside doors of large retail businesses. (smaller retail businesses prefer swing door operators.) they are also used in elevators (lifts).









































section::::triggering.









































a door operator may be triggered in various ways:









































bullet::::- approach sensor (such as a radar sensor) - the door opens when a user approaches it.
sliding door operator