Detachable windshield wiper assembly for helmet

Claim 1

A detachable windshield wiper assembly for a helmet having a front visor comprising: a housing including a rear wall contoured so as to be brought into detachable close engagement with the front wall of a helmet, said rear housing wall having fastening means associated therewith for detachable connection with cooperable fastening means on the front wall of the helmet; motor means positioned within said housing including an output shaft; a worm gear carried by the output shaft of said motor means; a pinion mounted within said housing drivable by said worm gear; a pivotable element mounted within said housing including a shaft and a radially extending lever arm carried thereon having a radially extending elongated slot therein, said pivotable element being drivable by said pinion to be oscillated thereby through a predetermined arc; a connecting rod pivotably connected at one end thereof to said pinion and at the other end thereof to said lever arm so as to slide within said slot; an oscillatable wiper arm connected integrally to said pivotable element and projecting through an opening in a lower portion of said housing, said oscillatable wiper arm carrying thereon a windshield wiper blade; and means carried by said housing for selectively powering said motor means.