Patent ID: 7739771

Claim:
A wiper drive mechanism comprising: (a) a set of pivot bearings respectively defining a pair of pivot axes; (b) a pair of sector gears, each supported for rotation about a respective one of said pair of pivot axes; (c) a single rack drivingly engaged with both of said sector gears and arranged to be driven reciprocatingly by a motor; (d) a pair of wiper drive rocker shafts, a respective one of said pair of wiper drive rocker shafts being associated with and driven by each of said sector gears and supported in a respective one of said pivot bearings; (e) a pair of wiper drive arms, each of said wiper drive arms being attached to a respective one of said pair of rocker shafts; and (f) a bridge adapted to carry a wiper blade, said bridge interconnecting said wiper drive arms and being attached to each of said wiper drive arms through a respective bridge pivot.