Patent ID: 9185850
Filing Date: 2015-11-17
Classification: A01G,A47L,E01H,Y10T

Abstract:
1. A rotary brush turf sweeper comprising: a frame; a first brush carriage including a first rotary brush, the first brush carriage pivotably attaching to the frame by a mounting point on opposing ends of the first brush carriage; a second brush carriage including a second rotary brush, the second brush carriage pivotably attaching to the frame by a mounting point on opposing ends of the second brush carriage; a brush height adjustment mechanism including an electronic actuator connecting the first brush carriage and the second brush carriage configured to adjust the height from a work surface of the first and second rotary brush; a first and second drive wheel attached to the frame with axles; a first drive mechanism connecting the first drive wheel to the first rotary brush and configured to transfer rotary motion to the first rotary brush when the first drive wheel turns; a second drive mechanism connecting the second drive wheel to the second rotary brush and configured to transfer rotary motion to the second rotary brush when the second drive wheel turns; and a first carriage bar attached to the first brush carriage extending lengthwise along the first rotary brush; a second carriage bar attached to the second brush carriage extending lengthwise along the second rotary brush; and the electronic actuator attaching the first carriage bar to the second carriage bar and configured to change a distance between the first and second carriage bars; wherein the height of the first and second rotary brush from the work surface increases as the distance between the first and second carriage bars decreases, and decreases as the distance between the first and second carriage bars increases.