Patent ID: 11911823
Assignee: GENERAL ELECTRIC COMPANY
Field: Other special machines (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 12:
13. A rake arm assembly mountable to an additive manufacturing system having a build table, the rake arm assembly comprising:
a rake arm body having a first end and a second end, the rake arm body extending in a direction transverse to a working axis and positioned at an upper surface of the build table;
a first rake support member fixed to the first end of the rake arm body;
a second rake support member fixed to the second end of the rake arm body, the second rake support member comprising:
a first flange extending from the second end of the rake arm body to a first vertical position below the rake arm body; and
a second flange extending from the first flange to a second vertical position below the rake arm body, the second vertical position being between the rake arm body and the first vertical position;

a guide rail extending along the working axis and mountable to a lower surface of the build table; and
a guide pad fixed to a lower surface of the second flange of the second rake support member opposite the rake arm body and movably supported on an upper surface of the guide rail, the guide pad positioned at the lower surface of the build table, the guide pad including a front wall, a rear wall, a pair of side walls extending between the front wall and the rear wall, an upper surface, and a lower surface having at least one slot formed therein, the pair of side walls are tapered toward the upper surface of the guide pad.