Drive device
First Claim
1. A drive device for components of a motor vehicle, comprising:
- a first fastening element connectable to one of a stationary component and a movable component of the motor vehicle;
a housing tube comprising a first end facing away from the first fastening element, and a second fastening element on the first end, the second fastening element being connectable to the other of a stationary component and a movable component of the motor vehicle;
a spindle drive actuatable to move the first fastening element and the housing tube away from each other in an axial movement, the spindle drive comprising;
a threaded spindle; and
a spindle nut mounted on the threaded spindle; and
an electric motor for driving the threaded spindle in rotation and effecting the axial movement, andwherein the electric motor is configured to drive the threaded spindle in rotation with a torque which decreases over the course of the axial movement.
1 Assignment
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Accused Products
Abstract
A drive device for a motor vehicle, including a first fastening element connectable to one of a stationary component and a movable component of the motor vehicle; a housing tube comprising a first end facing away from the first fastening element, and a second fastening element on the first end, the second fastening element being connectable to the other of a stationary component and a movable component of the motor vehicle; a spindle drive comprising a threaded spindle; and a spindle nut mounted on the threaded spindle; and an electric motor for driving the threaded spindle in rotation. The spindle drive is configured to move the first fastening element and the housing tube away from each other in an axial movement. When energized the electric motor drives the threaded spindle in rotation with a torque which decreases over the course of the axial movement.
25 Citations
26 Claims
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1. A drive device for components of a motor vehicle, comprising:
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a first fastening element connectable to one of a stationary component and a movable component of the motor vehicle; a housing tube comprising a first end facing away from the first fastening element, and a second fastening element on the first end, the second fastening element being connectable to the other of a stationary component and a movable component of the motor vehicle; a spindle drive actuatable to move the first fastening element and the housing tube away from each other in an axial movement, the spindle drive comprising; a threaded spindle; and a spindle nut mounted on the threaded spindle; and an electric motor for driving the threaded spindle in rotation and effecting the axial movement, and wherein the electric motor is configured to drive the threaded spindle in rotation with a torque which decreases over the course of the axial movement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification