Cryro device and method for processing cannabis flowers

An apparatus for removing leaves and plant matter from plant flowers and buds, comprising:

• a hopper, having an interior cavity, said interior cavity accessible from a hopper opening;
• a lid, said lid having a closed position covering said hopper opening and having an open position;
• a drum, said drum rotationally engaged within said interior cavity of said hopper;
• a motor for imparting a rotation to said drum;
• a plurality of jets positioned in said interior cavity of said hopper;
• said plurality of jets exhausting a gas stream from a pressurized gas supply connected thereto, into said interior cavity of said hopper;
• said drum having a sidewall surrounding an internal cavity thereof, said sidewall extending between a first endwall and a second endwall, said sidewall having openings therein;
• a drum door positioned in said sidewall, said drum door having an open position providing access to a drum opening and having a closed position sealing said drum opening;
• said internal cavity of said drum configured for positioning of a volume of plant buds to be cleaned of leaves and stems and plant matter engaged therewith;
• said gas stream exhausted into said interior cavity of said hopper during said rotation of said drum, being at a temperature forming ice crystals upon contact with the air within said interior cavity, which communicate through said openings of said sidewall surrounding said internal cavity and into contacts with said plant buds;
• and
• said contacts causing a removal of said leaves and stems from said plant buds, whereby said leaves and stems so removed communicate through said openings in said sidewall to a collection area therefor in a lower end of said interior cavity of said hopper.