Patent ID: 8261404
Filing Date: 2012-09-11
Classification: B60S

Abstract:
1. A vertebra for a windscreen wiper, said vertebra comprising: at least one curved rail, said at least one curved rail being curved in its natural state such that the at least one curved rail is configured to provide a force on a windscreen in a direction perpendicular to the windscreen; and at least one wire spring, said at least one wire spring being attached to an underside of said at least one curved rail at two discrete points, a first point between a middle of the curved rail and a first end of the curved rail, and a second point between the middle of the curved rail and a second end of the curved rail, wherein the at least one wire spring is in tension in a longitudinal direction of the at least one wire spring, such that the at least one wire spring exerts a force on the at least one curved rail that acts to bend the at least one curved rail, whereby the at least one wire spring is configured to provide an additional force on the windscreen in the direction perpendicular to the windscreen.