Patent ID: 7653952
Filing Date: 2010-02-02
Classification: A47C,A47D

Abstract:
1. An apparatus comprising: a foundation; a side-to-side assembly movably supported on the foundation; a support frame movably mounted on the side-to-side assembly; a first motion device connected to the side-to-side assembly, the first motion device configured to move the side-to-side assembly in a longitudinal direction with respect to the foundation; and a second motion device located on the side-to-side assembly, the second motion device being configured to move the support frame in a transverse direction with respect to the foundation; wherein the combination of movement in the longitudinal direction and the transverse direction provides reciprocal movement of the support frame; wherein the second motion device comprises: an electric motor having a rotating shaft: and a power transmission component connected between the rotating shaft and the support frame, the power transmission component converting rotational movement of the rotating shaft into transverse displacement of the support frame, said power transmission component including a driving wheel driven by the electric motor, the driving wheel contacting a lower surface of the support frame.