Patent ID: 7059009
Filing Date: 2006-06-13
Classification: B60S,F16C,Y10T

Abstract:
1. A windshield wiper drive linkage for use in a wiper system comprising: a plurality of linkage arms; at least one of said plurality of linkage arms comprising a composite flexible arm having a first end and a second end; said composite flexible arm bending to facilitate preventing damage to components in said wiper system when a compressive load applied to said at least one of said plurality of linkage arms exceeds a predetermined load as a result of a fatigue condition; and a connector overmolded onto at least one of said first end or said second end; said at least one of said plurality of linkage arms comprising a first side and a second side; each of said first and second sides comprising a plurality of grooves that are semi-circular to facilitate providing an interlocking joint when said connector is overmolded onto said at least one of said first and second ends, each of said plurality of grooves being generally perpendicular to a length of said arm and generally parallel to an axis of rotation of a socket defined by said connector; said plurality of grooves providing a plurality of areas for receiving a portion of said connector when it is overmolded thereon to provide said interlocking joint.