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Patent US10687476
Issued 2020-06-23
Automated Plant Trimmer
The automated trimming of an untrimmed plant stem comprises a device for transporting an untrimmed plant stem to an imaging stage, using a camera to capture at least one image of the plant stem, sending the at least one image to a central processor which creates a trim map which constructs a pattern for moving a cutting armature along the plant stem, and trimming the plant stem by cutting structure of the cutting armature to change the untrimmed plant stem to a trimmed plant stem.
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- 1. An automated device for trimming an untrimmed plant stem comprising:
a transport mechanism for holding and moving the plant stem; a camera and an imaging stage; a cutting armature having cutting structure for trimming the plant stem; and a central processor; wherein the transport mechanism moves the plant stem proximate to the imaging stage for image capture; the camera disposed toward the imaging stage to capture at least one image of the plant stem; the central processor receiving the at least one image from the camera to create a trim map using at least some data gathered from the at least one image; and the central processor moving the cutting armature as guided by the trim map to position the cutting structure against the plant stem for trimming the plant stem whereby the untrimmed plant stem is changed to a trimmed plant stem; wherein the transport mechanism includes at least one car mounted to a conveyor system, the car having a chuck to releasably hold the plant stem at the imaging stage; and wherein the chuck is rotatably mounted to hold the plant stem at different orientations, and the rotation of the chuck being driven by a motor receiving signals from the central processor; wherein the cutting armature includes a hollow chamber having an elongated generally vertical slit in its outer wall to provide access to the interior of the chamber, the cutting structure being mounted in the hollow chamber, a source of reduced air pressure communicating with the interior of the hollow chamber to draw in plant parts from the plant stem and removing the plant parts when the plant parts are cut from the plant stem, and the hollow chamber having a lower end which slides along the imaging stage and an upper end receiving control signals from the central processor.
