Patent ID: 9079732
Filing Date: 2015-07-14
Classification: B65H,F16H

Abstract:
1. An apparatus comprising: a shelf having a surface and an end; a registration item positioned at said end of said shelf, said registration item having a surface approximately perpendicular to said surface of said shelf; tamper elements, each of said tamper elements having a surface approximately perpendicular to said surface of said shelf and said surface of said registration item; a frame element connected to said tamper elements; a biased member connected to said frame element; and a motor connected to said biased member, rotation of said motor moving said tamper elements in a closed curve path motion relative to said shelf, said closed curve path motion being in a plane parallel to said surface of said shelf, said closed curve path motion moving said tamper elements toward said registration item as said tamper elements move toward each other, and said biased member increasing a distance of said closed curve path motion with increasing speed of said rotation of said motor.