Patent ID: 9206001
Filing Date: 2015-12-08
Classification: A01F,B65G

Abstract:
1. An apparatus for use above a floor grate, the apparatus comprising: a pivot pipe extending above a top surface of the floor grate, the pivot pipe defining a vertical pivot axis; a collector ring having a first stationary portion and a second rotatable portion, wherein the stationary portion is attached to the pivot pipe above the floor grate; a sweep mechanism configured to move in an arc about the vertical pivot axis, the sweep mechanism having first and second ends, wherein the first end is positioned proximate the collector ring; a first drive unit positioned proximate the first end of the sweep mechanism, the first drive unit containing a first motor for driving the sweep mechanism, wherein the first drive unit and second rotatable portion of the collector ring rotate together about the pivot axis; and a housing surrounding the collector ring, wherein the housing is adjacent to the sweep mechanism on one side and is adjacent to the first drive unit on another side.