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MECHANISM EXAMINATION QUESTION

V. Ryan 2009

 

You have been asked to design a mechanism that will allow a simple press with a foot on a pedal to lift / open a bin lid.

The pedal bin is shown below. The mechanism is incomplete.

Complete the drawing of the mechanism.
Label all parts.
Explain how the mechanism works
 
What are the safety issues with this type of design?
 
 
 
 
 
What materials would you select for the parts of the mechanism? Explain the selection of each material.
 
 
 
 
 
 
 
 
 
 
 
What joining techniques would you use for the mechanism and its parts?
 
 
 
 
 
 
 
 
 
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