Patent ID: 11904542
Assignee: STRATASYS, INC.
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 11:
12. The 3D printer of claim 1 wherein each beam x-direction beam and each y direction beam of the grid assembly have a “C” shaped cross section comprising:
a substantially vertical web having a bottom end and a top end;
a top flange extending from the top end of the web, wherein the top flange has a substantially horizontal upper surface forming a portion of the substantially planar upper surface; and
a bottom flange extending from the bottom end of the web, wherein the bottom flange has a substantially horizontal lower surface forming a portion of the bottom surface, wherein the top flanges of the x and y direction beams comprise a plurality of spaced apart apertures and the platen comprises a plurality of spaced apart apertures that align with the spaced apart apertures in the top flanges, wherein a securing mechanism is position through each of the aligned apertures to secure the top plate to the grid of beams lower surfaces of the beam.