Patent ID: 11905055
Assignee: ALTRIA CLIENT SERVICES LLC
Field: Other special machines (Mechanical engineering)
Classification: CPC B  A | IPC B

Claim 13:
14. A doser assembly comprising:
a hopper assembly configured to receive plant material,
an interior surface of the hopper assembly defining a hopper opening that extends through the hopper assembly; and
a bracket assembly connected to the hopper assembly, the bracket assembly including a shaft that extends across a portion of the hopper opening;
a roller in a portion of the hopper opening of the hopper assembly, the roller extending in a direction between a first part of the interior surface of the hopper assembly and a second part of the interior surface of the hopper assembly, the roller connected to the shaft of the bracket assembly, and the roller being configured to rotate with a rotation of the shaft of the bracket assembly;
a vertical adjuster connected to the bracket assembly, the vertical adjuster being configured to adjust a position of the roller;
a first conduit line configured to provide vacuum, gases, or both vacuum and gases into the hopper assembly through a first conduit opening in the hopper assembly; and optionally
a second conduit line configured to provide vacuum, gases, or both vacuum and gases into the hopper assembly through a second conduit opening in the hopper assembly.