Joints TRIZ Cases

A waterproof robot wrist uses hollow movable elements to route wire members internally, preventing corrosive cutting fluid adhesion on components.

Segmented sections with dynamic pistons provide compliance against obstacles while automatic resetting restores positioning precision.

Wireless power receivers and transmitters transfer energy between robot joints, eliminating cable breakage during infinite continuous rotation.

Opposing capstan drums apply pre-tension to paired cables, eliminating backlash and enabling high backdrivability in surgical tool actuation.

Flexible joints absorb external forces and pivot errors in a multi-link surgical robot, reducing insertion point load during ophthalmic procedures.

Twisted string actuators enable power and precision grasps by switching between underactuated and fully actuated modes.

A hand prosthesis chassis uses a progressive spring element to provide soft mobility and natural movement.

Resilient bearings enable evasive movements that reduce collision risk while stabilizing supply lines for precise viscous medium dispensing.

Uniform link lengths and a proportional wheel mechanism reduce calculation burden and instrument turning angles, improving data readability for surgeons.

Kinematic mounts isolate the metrology frame from thrust base distortions, maintaining measurement accuracy under heavy loads.

A machine tool floating mechanism uses a spherical inner ring to stabilize load distribution and reduce component count.

Vertical recesses in the pelvis member create flange parts that allow easy leg attachment while maintaining a compact robot size.

Asymmetric fixing members guide twisted cables away from the arm surface to prevent rubbing and extend lifespan.

Axial clearance in the rotary body regulates motion against reaction forces, ensuring stable substrate gripping without structural instability.

A surgical tool wrist uses a turning motion unit to rotate the joint while maintaining constant cable pre-tension.

A limiting member inside the input shaft hollow space blocks foreign matter intrusion during maintenance operations.

A capacitive torque sensor uses angularly arranged grooves and electrodes to measure rotation via capacitance variation.

An internal guide groove and energizing spring route a wire body through an industrial robot arm, preventing edge catching during wrist swing.

Gesture force sensors detect manual arm pushes to trigger autonomous robotic configurations, eliminating complex menu navigation during sterile procedures.

Replacing mechanical linkages with magnetic field sensing, the controller detects lateral lever motion to resolve precision versus complexity trade-offs.

A swing mechanism uses wire tension to generate a moment that swings the second member about its shaft.

A shaft-side pulley features a wider groove than adjacent pulleys to guide the elongate element smoothly.

A gravity compensation assembly uses elastic members to balance load forces across rotating joints in robot waist structures.

Segmenting the robot head and neck into independent inner and outer skeletons allows appearance changes without replacing the entire mechanical structure.

Stationary actuators prevent cable bending loads while intersecting axes simplify output element displacement control.

A numerically controlled tool holder enables precise bevel cutting in blast machining through a pivoting mechanism.

Orientable support heads use ball joints and linear actuators to stabilize complex non-flat workpieces during machining.

Rotatable connecting members join opposite servo stages to expand waist-to-leg degrees of freedom while managing device complexity.