Vorrichtung zum Saeubern von Scheiben,insbesondere von Windschutzscheiben von Kraftfahrzeugen

摘要

1,086,969. Windscreen cleaning systems. P. F. J. LAMAUDIERE. June 28, 1966 [July 2, 1965], No. 29020/66. Heading A4F. An electric or electromagnetic windscreen washer pump is controlled by a gravity operated switch mounted on the wiper driving linkage or on a wiper arm so that the pump is energized during predetermined portions of each wiping cycle. The switch may comprise a movable ball contact or a mercury contact.