Patent ID: 7014717
Filing Date: 2006-03-21
Classification: B60S

Abstract:
1. A method of expelling sleet, ice, or snow off a wiper blade, comprising the steps of: attaching a wiper shaft cap to a drive shaft; attaching pivotally one end of a wiper arm to said wiper shaft cap, a wiper blade extending from said wiper arm; forming an actuation device in said one end of said wiper arm, said actuation device including an actuation rod; attaching pivotally one end of a first pivotal yoke to said wiper shaft cap, pivotally attaching the other end of said first pivotal yoke to a second pivotal yoke, securing the other end of said second pivotal yoke to said actuation rod; and actuating said actuation device to lift the wiper blade off a windshield.