Crank for a wiper drive and wiper drive

摘要

The crank (1) has a pivot pin (6) articulatedly connecting a wiper linkage. The pin is translatory adjustable and movable from an operating position (15) into a release position against a force of a spring (13) e.g. pressure spring, relative to a rotary axis (4). The spring opposes a movement of the pin. The pin is guided in an elongated hole (5) arranged in a crank plate (2). The spring is held in the hole over its entire longitudinal extension. A radial inner stopper defining the release position is formed from an edge of the hole or an extension protruded into the hole.