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Using the Rack-Pinion Block - Windshield Wiper Mechanism

This example shows a windshield wiper mechanism. The mechanism utilizes a rack and pinion to drive the wiper blades in a synchronized fashion. The rack is actuated using a scotch yoke coupling (modeled using a pin-slot joint) that converts the rotary motion of the motor to reciprocating motion of the rack. The rack and pinion arrangement converts the reciprocating linear motion of the rack into reciprocating angular motion of the wiper blades (which are rigidly attached to the pinion).

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