Patent ID: 8820834
Filing Date: 2014-09-02
Classification: B60N

Abstract:
1. A device for imparting a rocking motion to a rockable object having a curved bottom surface, the device comprising: a wedge-shaped housing, the wedge-shaped housing comprising: an upper housing having an upper surface configured for contacting the curved bottom surface of the rockable object, the upper housing having a proximal end and a distal end; a lower housing having a base configured for sitting on a surface, the lower housing having a proximal end and a distal end; and a hinge portion hingedly joining the proximal ends of the upper and lower housings, thereby forming a proximal end of the housing; a reciprocating drive mechanism alternatingly moving the distal end of the upper housing upward to an extended position and downward to a retracted position; and a tethering arm having a proximal end affixed to the housing and a distal end configured for placement under a portion of the curved bottom surface of the rockable object, the tethering arm being selectively extendable and retractable.