Patent ID: 7883072

Claim:
A shaking apparatus for shaking a user's seat comprising: one or more actuators, and a seat that is supported by supporting parts at least at a front side, a rear left side and a right side, or a rear side, a front left side and a right side, wherein the seat is inclined left or right by complementarily operating one or more actuators mounted to the left and right supporting parts to extend or retract the supporting parts to complementarily vary the distance from a floor of the left and right supporting parts, wherein the seat is inclined forward or backward by equally operating the one or more actuators mounted to the left and right supporting parts to extend or retract the left and right supporting parts to equally vary the distance of the left and right supporting parts from the floor, and wherein each of the one or more actuators includes a screw mechanism being rotated to extend or retract in extension directions of the left and right supporting parts.