Patent ID: 7069811

Claim:
An actuation device of an adjustment unit for automotive vehicle seats, the device comprising: a) a hand lever, wherein the hand lever is in a central position when the actuation device is in a position of rest, wherein the hand lever may be pivoted alternatively in the two directions of rotation against the action of an elastic means biasing it in the central position, and wherein the hand lever has a first driving region; b) a frame that carries the hand lever and accommodates an output shaft; c) an adjustment wheel having circumferential gear teeth and being centered on the output shaft; and d) a pivotal lever wherein the pivotal lever has a long hole surrounding the output shaft, wherein the pivotal lever has a left engagement region and a right engagement region, both of these regions being formed integrally in one piece with the pivotal lever and being on the same part as the long hole, both of these regions being provided with teeth matching the gear teeth of the adjustment wheel and being disengaged from the teeth of the adjustment wheel in the position of rest of the actuation device, wherein the long hole is located in the center between the two engagement regions; wherein the long hole is oriented in lengthwise direction between the two engagement regions, and wherein the pivotal lever is provided with a second driving region that is in engagement with the first driving region of the hand lever.