Patent ID: 9682658
Date: 2017-06-20
CPC Classifications: B60R

Claim:
1. A step device comprising: a step housing having a box shape; guide rails mounted on both sides of the step housing; step rails coupled to the guide rails to move along the guide rails; and a scaffold coupled to the step rails and moving along the guide rails through the step rails to be received in the step housing or drawn to an outside of the step housing, wherein in the guide rails, an upper wall, a first side wall and a lower wall are integrally consecutively connected and a second side wall facing the first side wall is opened, to form a consecutive channel in a longitudinal direction, wherein a drain path is formed inside the channel around a lower guide jaw, wherein a drain surface is formed outside the channel, wherein the drain path has a dented shape, and wherein the drain surface is inclined downward to the outside of the channel.