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Insight - How Expandable Screw Works

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Written By: 

Bijal Parikh
           

We have arranged eye hook screw, metal shield and expander cone. Now, we need a wire to tie the assembly together. I saw a twisted metal wire in the disengaged assembly.

Twisted Wire

So, I coiled it around the expandable screw assembly as shown below.

Metal ring:

As we can see from the image the metal ring is tightly coiled around the center of screw assembly. This metal ring which behaves as a spring holds the sleeves together during the expansion and contraction.

Let’s have a final look at the design we developed using the basic working of expandable screw assembly.

Expandable Screw

 

 

 

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