Patent ID: 7234177
Filing Date: 2007-06-26
Classification: A45F

Abstract:
1. A rocking machine for imparting a continuous rocking motion to an occupant recumbent on a hammock, comprising: a. a container having a top portion, a bottom portion and at least one side portion forming an internal compartment; b. said internal compartment housing a periodically reversing, geared motor having a shaft; c. said periodic reversal of said geared motor being controlled by an electrical control circuit that monitors motor current; d. said motor shaft being connected to the proximal end of a torsional spring; e. a distal end of said torsional spring being adapted for connection to one end of a hammock; f. said container being firmly secured to a fixed, external location; g. a pressure sensitive switch that, upon being actuated, moves to a closed position enabling supply of power to said periodically reversing geared motor, whereby upon being connected to said hammock, the periodicity of said motor reversals is slowly decreased from a longer reversal period to a reversal period which matches the natural periodic rocking motion imparted by the combined effect of the torsional spring and weight of an occupant recumbent on the hammock, thereby decreasing motor current and increasing efficiency of energy transfer from said periodically reversing geared motor to rocking motion for said hammock.