Alamo Group Inc.
STUMP GRINDER WITH HELICAL ROTARY ACTUATOR

Abstract:

A stump grinder may include a machine body and a helical rotary actuator mounted to the machine body, wherein the helical rotary actuator includes a central axis. A support may be mounted to the helical rotary actuator, and an arm may be mounted to the support. A cutting wheel may be rotatably mounted to the arm, and a motor may be operable for driving the cutting wheel. The helical rotary actuator may be configured for moving the cutting wheel along an arcuate path about the central axis.