US 12,508,956 B2 · Seat moving apparatus for vehicle

Abstract

A seat moving device for a vehicle, includes: a lead screw having a male thread formed on the outer circumferential surface thereof, and arranged in the front-rear direction of the vehicle under the bottom surface of the interior space of the vehicle; a drive motor; a worm gear rotationally driven by the drive motor; a worm wheel rotating in engagement with the worm gear; a transmission gear rotating integrally with the worm wheel; a belt for power transmission engaged with a spur gear of the transmission gear, and formed in a closed curve shape; a moving wheel having a female thread engaged with the male screw formed on the inner circumferential surface thereof; and a gear box having an accommodation space formed therein for accommodating the worm gear, the worm wheel, the belt for power transmission, and the moving wheel.

Claims12

Dependent claims

A seat moving apparatus for a vehicle, the seat moving apparatus comprising:

a lead screw having a male screw thread formed on an outer circumference surface thereof, the lead screw configured to be disposed in a forward-and-rearward direction of the vehicle below a floor surface of an interior space of the vehicle;
a drive motor;
a torque transmission shaft rotated by the drive motor;
a worm gear configured to be rotationally driven by the torque transmission shaft;
a transmission gear body configured to rotate in engagement with the worm gear;
a power transmission belt configured to be engaged with the transmission gear body;
a moving wheel having a female screw thread formed on an inner circumferential surface thereof and configured to be engaged with the male screw thread, wherein the moving wheel is rotationally driven by the power transmission belt and is moved along the lead screw.

4 more elements

Dependencies are inferred from the claim text.

Seat moving apparatus for vehicle

Life of this patent

Seat moving apparatus for vehicle

Life of this patent

Abstract

Claims12