Manual Door Closers – Do You Have an Open and Shut Case?

The purpose of this article is to provide a basic comparison of the differences in the safe function and usage of automatic and manually operated doors of all kinds.

The most basic issue in determining whether a door is considered to beĀ sluitwerk deur?? functioning safely has to do with the inherent design that was created by the manufacturer of every specific door system. Automated and semi-automatic doors of many types are ubiquitous throughout the world.

Most people come in contact with some form of self-powered doorways on a daily basis. Untrained usage of most door systems occurs without much conscious thought on the part of the user. The assumption upon encountering an opening with a door blocking your path is that it will either open by itself or you will have to push or pull upon the door handle to gain passage to the area you wish to access. Interactions with doors of all types are common to most people, and basic quick evaluations of most doorways are generally instantly made by the user.

The first logical reaction when approaching a door is that you will need to enter the building by passing through the doorway. Your expectation is that this doorway is either automated or non-automatic because you have seen this type of door in many other locations during your lifetime. You have a stored sub conscious memory based upon your experiences from previous encounters with doorways that certain characteristics of appearance have specific related motive possibilities.

Secondly, you can determine and expect how the door should react to your approach. If no automatic operations are detected when you are within a few feet of the door then you make the quick determination that the door will require your physical exertion to operate and move through it.

Once either of these two options is determined you, as the user, understand your obligations to gain access to the desired area.


Visual cues that usually indicate that a doorway is non automatic include door knobs, handles, or panic hardware devices. If there are directional labels such as PUSH or PULL on the door, that generally will increase the speed with which a user can determine the personal obligations for passage through the doorway. On the other hand, if the door opens automatically as you are approaching it, your stored knowledge of memory triggers retained past scenarios where you have successfully walked through an opening without ever having to have touched the doors to gain access.

In every situation, personal decisions based upon visual clues provided result in some form of interaction with the doorway that we must pass through.

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