Link 1, rotating about fixed axis A, is connected by turning pair B to slider 2 which moves along movable circular guiding slot a-a of radius B͞C and with its centre at point C. When link 1 rotates, link 3 reciprocates along axis x-x. The mechanism is equivalent to offset slider-crank linkage ABC in which A͞B is the crank, B͞C is the connect ing rod and link 3 is the slider.
$949$LG,4L$