First appearing in the 1940s, the power window regulator was a luxury feature found in cars for the wealthy. Executed by a hydroelectric system The first car with electric windows was the Packard 180. In the late 1980s, many cars on the international market had electric windows.

This is behind car windows has a successful technical design Let’s see how the mechanism works by examining the lever mechanism used previously.

How did the window regulator work in old cars?

What we can encounter in old cars lever window opening mechanism, It is so ingrained in our lives that it still occurs during an argument in traffic. “Open the window!” We can see the arm twisting motion in response to the saying. Those who watched may remember that there was a section on this topic in Cem Yılmaz’s stand-up “Fundamentals”.

Anyway, let’s not get too off-topic. The lever on these old cars, pushing or pulling against the window He was on duty. It did not have a very complex mechanism, it could be made with a simple crank and gear mechanism.

When the crank turns, Pieces of glass moved and the glass opened or closed. We can understand the mechanism much more clearly with the animations from the YouTube channel “Lesics” above.

Then another support point was added and the scissor mechanism was created.

Raising or lowering the windows by supporting them from one point, imbalance due to a small difference in friction It could lead. However, adding a second support to the glass could prevent this problem.

In this system, the so-called scissor mechanism, the connections are One end is turned in the middle, while the other end is connected to the slides. The second support makes the mechanism much more stable. The same system is also used in places such as folding doors and computer keyboards.

Not everything was perfect with car windows equipped with a scissor mechanism.

The new mechanism allowed windows to suddenly fall down. To prevent this, the turning point coil spring They posted it. This spring released during the upward movement of the window and was compressed during the downward movement.

This way the glass did not fall suddenly and the effort was reduced. But the problems didn’t end there. The biggest hole in the system; of glasses, from outside the car It could be opened by pushing or pulling. That is an open invitation to theft.

The worm gear mechanism is designed to prevent this problem.

A mechanism in which the worm gear can turn the flywheel, but the flywheel cannot turn the worm gear. Since the crank is connected to the worm gear, only the passenger can operate the mechanism. When someone tries to move the glass, the movement goes to worm gear and everything freezes.

What happens in today’s electrical mechanisms is that there is a small change in the gear mechanism. DC motor To connect. As you can see in the image above, the manual window simply turns into a power window.

This design is too It is developed with a pulley and rope system. As you can see in the animation below, the slides attached to the rope support the glass.

If we list the advantages and disadvantages of electric windows:

Thanks to the mechanism in the new generation of windows, you can easily operate the windows by touching a single button while driving; Director, can control all windows; No additional force is required.

On the other hand, the parts of these power windows are among the parts that wear out most easily over time. Sometimes even glass can come loose and may cause a malfunction.

That’s the end of our content, in which we shed light on one of the topics that can be a matter of curiosity about cars. Which glass system do you prefer? “I’m a nostalgic person, old style is good.” Are you one of those who say “Minimal effort, maximum efficiency. Keep it up.” Of those who say?

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