Stratasys, Inc.

Marvin E Eshelman

Joseph Edward LaBossiere

Thomas J McDonough

Benjamin N Dunn

Joseph E Labossiere

An extrusion head comprising at least one drive wheel and an assembly positionable between at least a first state and a second state. The assembly comprises a first extrusion line configured to engage the at least one drive wheel while the assembly is positioned in the first state, and a second extrusion line configured to engage the at least one drive wheel while the assembly is positioned in the second state.

Single-motor extrusion head having multiple extrusion lines

A deposition modeling system incorporates a drive mechanism to feed a strand of filament to create a model. The drive mechanism comprises a pivot block that is rotatably connected to a fixed block and a motor that rotates a drive shaft. A drive roller is connected to the drive shaft and an idler roller is connected to an idler axle that extends from the pivot block in a substantially perpendicular direction to the direction of rotation of the pivot block with respect to the fixed block and in a substantially parallel direction to the drive shaft.

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Mounds View, MN, United States of America

Marvin E Eshelman