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Can someone help with 2 questions?

Question asked by 1-QSSKVI on Dec 16, 2010
Latest reply on Dec 16, 2010 by Deepak Gupta

Hello,

 

My first question:

 

Is it possible to make a pulling spring which can actually compress and decompress in an assembly? I made a roller chain and at the end there is a

spring attached. When I pull the chain, the spring will decompress.When I release it, the spring will compress again. The picture will tell the story:

http://dl.dropbox.com/u/3834804/Untitled.jpg

 

 

2nd question:

 

Can you limit a rotation in the assembly? See image below. I want to twist the "steering knob" sideways and it must stop at, let's say, 20°.

 

http://dl.dropbox.com/u/3834804/Untitled2.jpg

 

Thank you very much in advance!

 

With kind regards,

 

Maarten

 

Ps: I'm not English so maybe some things are spelled wrong or something

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