Patent ID: 8418828

Claim:
A vehicular clutch assembly, comprising: a clutch pedal movable between a non-depressed position and a depressed position; and an unpowered pedal assist device, comprising: a four bar linkage mechanically linked to the clutch pedal and configured to move in conjunction therewith between a start position and a finish position corresponding to the non-depressed position and the depressed position, respectively; a main spring coupled to the four bar linkage and biasing the four bar linkage: (i) toward the start position over an initial range of travel of the clutch pedal to bias the clutch pedal toward the non-depressed position, and (ii) toward the finish position over a primary range of travel of the clutch pedal to bias the clutch pedal toward the depressed position; and a return spring coupled to the four bar linkage and configured to bias the four bar linkage toward the start position over the initial range of travel and over the primary range of travel of the vehicular control pedal.