Cover device

A cover device being applied to a vehicle including a vehicle body having a door opening, and a vehicle door that opens and closes the door opening,

• the vehicle body including a door lock component that is placed in a bottom portion of the door opening and is coupled to the vehicle door, and thereby binds the vehicle door at a full closed position,
• the cover device comprising:
• a cover that is displaced between a covering position where an upper side of the door lock component is covered, and an exposure position where the door lock component is exposed upward;
• and
• an open-close mechanism that displaces the cover to the covering position when the vehicle door performs an opening operation, and displaces the cover to the exposure position when the vehicle door performs a closing operation, wherein
• the vehicle door is a slide door that includes a lower rail defining a movement direction of the vehicle door, and that opens and closes the door opening that opens in a side portion of the vehicle body,
• the vehicle body includes a lower hinge unit that supports the vehicle door via the lower rail,
• the lower rail includes a first lower rail extending in an opening direction of the vehicle door, and a second lower rail being bent and extending outward in a vehicle width direction as moving in the opening direction from a tip of the first lower rail in the opening direction,
• the lower hinge unit includes a fixed hinge fixed to the vehicle body, a movable hinge rotatably supported relative to the fixed hinge, and two guide rollers being rotatably supported by the movable hinge and relatively moving along the lower rail, and
• the open-close mechanism displaces the cover due to rotation of the movable hinge when the two guide rollers move along the second lower rail.