A robot a 'day'. Levers and how come the fork of the robot stays horizontal? Pro Preview

Is this my favourite thing? Yes, it is. The use of levers, especially in this robot is just great. These levers make the magic of keeping the fork horizontal even when the fork is moving up an down. Try it. Start the robot. See it. It's ... magic.  

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  • #687
  • 16 Jan 2018

Levers

First - where are the levers. See the picture below. The four white beams that the robot has, are working as levers. 

All the beams are the same length. Because of this, the distance between the top of the frame on the left and the top of the frame on the right is kept the same as the distance between the bottom of the frame on the left and on the right. 

As a result, both frames stay horizontal to each other. Very simple but a powerful concept of mechanical engineering. 

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