Hollow fork for use in soil processing machine for loosening soil during lawn maintenance, has rear wall with thickness increasing from penetration pipe in direction of end part, and channel with depth increasing from pipe in direction

摘要

The fork (1) has a shaft (25) fastened at an end part (7) and fastening the fork at a tool retainer of a soil processing machine, A centre part (5) includes two side walls (15) and a rear wall (17), which includes a curved outer surface (19) and passes into the side walls. The side walls, the rear wall and an ejection ramp (21) define an ejection channel (11). The rear wall passes into the ramp. The rear wall includes a thickness (D) increasing from a penetration pipe (3) in a direction of the end part. The channel includes a depth (T) increasing from the pipe in the end part direction.