An exploded-view schematic diagram of an adjustable imbalance shaft mechanism, technical line-art style, clean white background, isometric perspective. In the center is a vertical 4mm steel shaft. Components are exploded from top to bottom along the shaft: 1. Top miniature ball bearing. 2. A sleeve with a high-helix lead screw thread (Steilgewindekupplung). 3. Two movable brass rectangular counterweights (Regelgewichte) mounted firmly on this sleeve. 4. One main brass rectangular counterweight (Hauptgewicht) soldered directly and permanently onto the middle of the shaft (acting as a fixed reference). 5. Bottom miniature ball bearing. Add straight dotted guidelines along the shaft axis. Include a subtle linear arrow showing the sleeve shifting up/down, and a curved rotational arrow showing the two outer weights twisting together relative to the fixed center weight. Minimalist, high contrast, clear educational engineering diagram, components do not overlap. Mehr sehen