{
  "abstract": "The disclosure presents a humanoid robot comprising an upper region (head, torso, arms with forearm assemblies, and end effectors), a lower region (legs), and a connecting central region. Each end effector features index, middle, ring, little finger, and thumb assemblies attached to a housing of said end effector. The housing includes interior wall extents that create spaces for tendon routing, where the first distance between the first and second wall extents is less than 45% of the second distance between the third and fourth wall extents. Tendons controlling finger movements pass between these wall extents. The robot incorporates a wrist assembly connecting the housing of the end effector to the forearm, actuators housed in the forearm that control the tendons, and a carpal tunnel-like structure that guides tendons from the forearm to the base of the housing, enabling precise hand movements without requiring actuators in the hand itself.",
  "assignees": [
    "FIGURE AI INC"
  ],
  "authors": [
    "HARDY SYDNEY",
    "LAMBERT JULIEN",
    "MCCALL DAVID",
    "WU HAO",
    "YEGANEH KEYVAN"
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  "source_date": "2026-02-12",
  "source_id": "US-2026042224-A1",
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  "title": "Head and neck assembly for of a humanoid robot",
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