Aesthetically this design needs improvement - the base can have a Picture
This is a clamp which can be used for the injection moulding project. The mechanism used is the crank and slider with the addition of a handle.
The mechanism should lock on when the mid pivot point ("the big end") dips below the line between the other two pivot points - this is a toggle action.
A dovetail slider strip and cutout would be necessary to make this design work in reality.
Aesthetically this design needs improvement - the base can have a different shape, the handle is not comf ...
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