Patent ID: 8413284

Claim:
A carpet cleaning machine, comprising: a first striker grill pivotally connected to a body of the carpet cleaning machine, the first striker grill comprising a first retaining rail and a first plurality of tapping rods extending from the first retaining rail; a second striker grill comprising a second retaining rail and a second plurality of tapping rods extending from the second retaining rail, the second striker grill being pivotally connected to the body of the carpet cleaning machine opposite the first striker grill such that the tapping rods of the first striker grill engage in gaps between the tapping rods of the second striker grill; an actuating mechanism, operatively connected to the first striker grill and to the second striker grill, the actuating mechanism being configured to effect an alternating upward and downward deflection of the first striker grill about a longitudinal axis of the first retaining rail and a deflection of the second striker grill about a longitudinal axis of the second retaining rail in opposite direction; and a retaining member configured to hold a carpet against the tapping rods of the striker grills, wherein the first striker grill and the second striker grill assume a substantially horizontal idle position when the machine is not in use.