Patent ID: 11932494
Assignee: ARCAM AB
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 16:
17. A method of supplying raw material to a work surface of an additive manufacturing system, the method comprising:
supplying the raw material to an inlet of a raw material delivery device, the inlet disposed at a first end of a hollow body; and
actuating a first rotary actuator coupled to the first end of the hollow body; actuating a second rotary actuator coupled to a second end of the hollow body such that the first and second rotary actuators synchronously rotate the first end and the second end to shake the hollow body and move raw material up a stepped passageway disposed within the hollow body from the inlet to an outlet disposed at the second end of the hollow body that is located above the first end of the hollow body in a system vertical direction.