Joints TRIZ Cases

Segmented recesses on the internal gear case retain lubricant at meshing points, preventing push-out and reducing abrasion.

Camera detects joint markers to set robot paths, eliminating skilled engineer coding for injection molding.

A suction head uses magnetic attraction between transmission parts to permit displacement and precise object retrieval.

A robot wrist oil seal inverts its lip orientation to face the actuator interior, creating a sealed chamber that retains lubricant within the mechanism.

A speed reducer uses a two-stage gear supported by a carrier to reduce axial length.

Dynamic curvature adjustment and internal coolant flow resolve the trade-off between minimal incision depth and processing precision in medical actuators.

A connecting device for robot arm effectors uses adjustable springs to maintain constant restoring force along a linear displacement path.

An orthoplanar spring sensor measures deformation via Hall-effect magnets to enable hybrid compliance control in robotic systems.

A segmented cable retention system minimizes bending stress on optical fiber cores by decoupling sheath fixation from core deflection during joint articulation.

A wire relaxation mechanism adjusts driving wire path length to enable thorough cleaning of medical manipulators.

Spring joints in the end effector resolve strength versus adaptability contradictions for random bin picking.

Separate carriers eliminate cable winding during 360 rotation by allowing independent holder movement without a common circular rail.

Offset side walls and thin upper wall portions increase strain gauge output, resolving the contradiction between sensor block size and measurement precision.

Polygonal clamping members replace friction locking in this pivoting joint, eliminating wear and slippage while maintaining high load capacity.

A telescopic stem suspension device uses a pneumatic or spring actuated brake pad to control position.

Customized registration guides replace complex optical locators to streamline the registration process and reduce pre-operative planning time.

Centrifugal force in a joint groove directs water away from seals, preventing contamination entry while maintaining heat dissipation.

Agonist-antagonist actuated joint uses high stiffness spring for motion transmission and low stiffness spring for elastic energy storage.

A powered prosthetic wrist flexion device uses a nested planetary drive to provide two additional degrees of freedom for precise object orientation.

Torso-mounted actuators drive legs via transmission mechanisms, lowering moment of inertia and mechanical power demands.

Elastic chuck moves holding nails obliquely to separate and remove closely positioned workpieces.

Segmented fixing members decouple wire reaction forces from torque sensors, preventing measurement interference while extending wire lifespan.

Passive compliance via a sensor-equipped rotatable tool holder eliminates complex active impedance control systems while maintaining precise grinding angles.

An elongated housing with axially movable locking elements reduces height while maintaining clamping force.

Modular extension arms with textured adhesive tips enable secure object retrieval in hard-to-access locations without complex mechanisms.

A robotic elbow uses a two-bar linkage mechanism to enable precise flexion movement within articulated arm segments.

Segmented intermediate flanges preserve tool center point accuracy during painting robot device exchanges, eliminating lengthy recalibration.

A protective barrier spaces flexible lines from hydraulic cylinder ends, preventing abrasion during pivotal boom movement.

A robotic arm with an end effector automatically applies contact lenses to the eye.

A rack and pinion mechanism converts linear motion into rotational movement for a surgical robot arm.

A parallel-connected robot uses synchronized motion and passive support to drive fracture reduction needles with high dexterity.

A hydraulically controlled robotic arm positions a scraping tool to remove adhered material layers from durable substrates.

A gripping jaw merges a suction device with an adjacent adhesive element to handle small piece goods securely.

Internal cable routing through a hollow flange prevents external interference and reduces cycle time in compact industrial robots.

Offset rotation axes in a robot joint arrangement minimize center of gravity shift, enabling stable manipulations on uneven surfaces.

A compensating gripper on an industrial robot removes filling adapters despite positional deviations, reducing manual effort and system complexity.

Eccentric cams adjust spring pre-compression to maintain equilibrium torque, eliminating heavy counterweights that increase inertia.

A manipulator arm integrates servo amplifiers within a bellows container to maintain uniform pressure distribution across varying sea depths.

A robot wrist structure uses an integral cover to shield the oil seal from high-pressure jet displacement and foreign matter adherence during maintenance.

Forearm-mounted feeder routing prevents interference with workpieces and jigs while enabling flexible welding postures.

Asymmetric alignment pins in the coupler resolve repeatability issues during end effector exchange, eliminating navigation recalibration needs.

Fiducial marks align scale patterns with outer shapes on substrates, reducing eccentricity and rotation angle detection errors in rotary encoders.

A compliance compensator apparatus moves independently in axial, rotational, and skew directions to accommodate mechanical forces from engaged loads.

Orthogonal slipring wrist joints eliminate gimbal lock risk in surgical arms by maintaining three rotational degrees of freedom without active biasing.

Pivoting tool guides enable precise alignment of robotic and manual tool assemblies, resolving visibility constraints during hip replacement procedures.

Elevating the robot above the conveyor eliminates pivoting movements, reducing loading time across the entire container volume.

Three independently driven revolute joints eliminate kinematic singularities and reduce drive motor size while providing a 120-degree bend angle.

Integrating a worm gear system with a lead screw actuator reduces prosthetic wrist size and weight while maintaining non-backdrivable torque.