Sliding door device for vehicle

Abstract

A sliding door device for a vehicle includes a door configured to open or close a door opening portion formed in a vehicle body; a door arm including a first end portion rotatably connected to an end portion of the door, and a second end portion configured to be movable along a side sill of the vehicle body; a lower slider coupled to the second end portion of the door arm and configured to be rectilinearly movable along the side sill of the vehicle body; a lower arm plate connecting the second end portion of the door arm and the lower slider and configured to perform a cycloidal rotation and a rectilinear movement when the lower slider moves along the side sill; and a first rail providing a route through which the lower arm plate performs the cycloidal rotation and the rectilinear movement when the lower slider moves along the side sill.

Dependencies are inferred from the claim text.