초록 ▼

An octogonally configured cam has four flats located radially outward a greater distance than the four intervening flats. The various flats are successively engageable with a pivotal arm to engage and disengage a clutch mechanism and thus start and stop an endless belt conveyor along with the starti

An octogonally configured cam has four flats located radially outward a greater distance than the four intervening flats. The various flats are successively engageable with a pivotal arm to engage and disengage a clutch mechanism and thus start and stop an endless belt conveyor along with the starting and stopping of a cylindrical brush. Both the conveyor and brush are ground-driven through a chain and cog wheels, the size of the cog wheels being such that the brush is rotated at faster speed than the conveyor. The position of an indicating rod signifies when the clutch mechanism is engaged or disengaged.

대표청구항 ▼

A top dresser adapted to be pulled across the ground comprising frame means, wheel means supporting said frame means, a hopper extending transversely of said frame means having a lower opening through which material contained in said hopper is discharged, a conveyor belt mounted for movement beneath

A top dresser adapted to be pulled across the ground comprising frame means, wheel means supporting said frame means, a hopper extending transversely of said frame means having a lower opening through which material contained in said hopper is discharged, a conveyor belt mounted for movement beneath said hopper for receiving material discharged through said opening and moving such material rearwardly relative to the direction the dresser is pulled, a cylindrical brush mounted for rotation about an axis generally parallel to said hopper so as to engage and propel material from said belt into the ground, said wheel means including at least a first wheel subjacent the left side of said frame means and at least a second wheel subjacent the right side of said frame means, and means connecting said conveyor belt and cylindrical brush to said wheel means so that said belt and brush are both ground driven by said wheel means, said means connecting said conveyor belt and said cylindrical brush to said wheel means including a remotely operated clutch comprising a multi-faced cam and a one-way clutch mechanism, said one-way clutch mechanism indexing said cam by one face each time it is actuated, and including a flexible actuator for actuating said one-way clutch mechanism, said overrunning clutches preventing said conveyor belt and said cylindrical brush from operating when the top dresser is pushed backwards.