Patent ID: 7416253

Claim:
A seat apparatus having a variable gap comprising: a pair of seats that can move in opposite directions; a pair of moving plates each attached under the seats to move in opposite directions; a base for supporting the moving plates to move in opposite directions; a shaft rotatably attached on the upper side of the base; a gap controller attached in the middle of the shaft, having one narrow end and one wide end; a pair of guidance grooves; driving means attached on one end of the shaft for rotating the shaft; a pair of connectors each having one end coupled with the respective guidance groove on the gap controller and the other end fixed on the respective moving plate at the corresponding position to the guidance groove of the gap controller; and guiding means for making the moving plates move along the base, wherein gaps between the pair of seats and the pair of moving plates coupled with the guidance grooves through the pair of connectors is adjusted by rotating the shaft clockwise/counterclockwise with the driving means.