Patent ID: 6377010
Filing Date: 2002-04-23
Classification: A47B,A47C,F16H,H02K

Abstract:
An electromotive drive for a furniture item, in particular lifting device; comprising:a housing; a motor mounted to the housing; a reduction gear unit interacting with the motor; a rotating spindle driven by the motor via the reduction gear unit and carrying a spindle nut which is secured against executing a rotational movement so as to move in a linear direction; a flanged tube mounted to the housing; a lifting tube received in the flanged tube and mounted to the spindle nut so as to be movable between retracted and extended positions when the spindle rotates and the spindle nut is moved in a linear direction; and at least one gas spring arranged within the flanged tube for assisting the lifting tube during a movement of the lifting tube to the extended position, said at least one gas spring having a piston rod which moves in and out in synchronism with the lifting tube.