One interesting application of the four bar linkage is found in locking pliers. The B-C and C-D links are set at an angle close to 180 degrees. When force is applied to the handle, the angle ...

Consider the mechanism shown below made up of moveable links AB, BD and DE. Link AB is rotating CCW at a constant rate. Point C is the center of rotation for BD, where point C is at the intersection ...

We’ve actually secretly featured [rectorsquid]’s Linkage software before, in this writeup of some amazing cosplay animatronic wings that used the program for their design. But we really don ...

The oscillation motion is produced through the 4 bar mechanism. The last part of the video covers the gears that turn the 4 bar mechanism. The pin is part of the gears - when it is lifted the ...