Patent ID: 6345547
Filing Date: 2002-02-12
Classification: A47B,Y10T

Abstract:
Linear actuator (1, 2) comprising:an outer section (2, 22) having a longitudinal axis (6); an inner structure which is mounted inside the outer section and is movable with respect thereto in the direction of said longitudinal axis, wherein the outer section (2, 22) is provided with at least two racks (4, 5, 24, 25) which extend in the direction of said longitudinal axis and the inner structure comprises an equal number of pinions (7, 8, 27, 28) engaging on the racks, said pinions (7, 8, 27, 28) being mechanically linked and at least one pinion (7, 27) being drivable by a motor (16, 30) mounted in said inner structure in order to achieve operations of said actuator, wherein said outer section (2) comprises at least two pairs of sides located opposite one another and one of said racks is mounted on each of said sides.