Gearing TRIZ Cases

A sleeve-mounted actuator and movable inner tube redirect motor vibration to the transmission nut, smoothing lifting and reducing platform noise.

An eccentric dual-ring tensioner keeps both belt spans engaged with lower installation tension, improving torque symmetry and reducing friction losses.

A mechanical lock auto-engages at full retraction to hold the actuator nut against external loads without electrical power.

A motor-driven transmission lets workers position a threaded strut nut remotely while preserving fast manual movement and self-locking security.

A stepped screw shaft and piston cylindrical portion limit grease outflow from the nut while avoiding friction during retraction.

Plastic flattening of an integral pipe forms a leadscrew coupling that simplifies production while maintaining secure spindle attachment.

Rotating belts with adjustable prongs keeps hands away from pinch points while improving sheave alignment, belt seating, and tension setup.

Acute-angle deflector placement balances bearing forces in a brake ball nut assembly to cut noise, vibration, wear, and package size.

A non-collinear wheel layout with a 15° force angle boosts driven-wheel torque while keeping chain transmission speed unchanged.

Different carbon concentrations and heat treatments let the nut resist wear while the screw shaft retains strength under torsional and bending loads.

Bent sheet-metal tabs hold and align movable engine components outside the engine, preventing angular offset and simplifying final assembly.

A removable shaft member holds the pivot arm in an installation position, then releases full movement for stable belt tension in operation.

Independent saddle-half and slope adjustment redistributes pressure away from soft tissue while supporting pelvic anatomy for more comfortable riding.

Adaptive damping torque changes with arm position and rotation to curb belt overshoot and vibration while reducing drag torque and fuel use.

A buffer-coupled harmonic drive cuts housing-borne noise, damps torque, and enables a compact coaxial bicycle drive unit.

Predefined CVT modes adjust ratio and clutch behavior from sensor inputs to improve terrain response, fuel efficiency, and NVH.

Multi-surface end stop and spindle contact reduces friction, tilt, and wear in vehicle brake ball-nut assemblies.

Opposed pressing blocks with a weight or pre-loaded spring keep an escalator handrail drive chain tensioned and cut periodic adjustment work.

An oval sprocket drive boosts cutting force during wood waste comminution while keeping rotary feeder speed high between cuts.

A one-piece cradle and support arm assembly cuts bodymaker installation time, avoids alignment errors, and frees floor space.

Rotationally symmetrical stopper contact surfaces transfer axial load evenly between the screw portion and holding member, reducing moment load and wear.

Helical rolling marks on small-diameter shaft ends stabilize screw rolling, preserving end precision and operating stroke.

A screw-thread sliding bar replaces ball nut and pulley-belt reducers to cut steering noise, save space, and improve torque transfer stability.

An articulated double-section support transfers torque between two transmissions while reducing flange bending stress, weight, and material demand.

A retracting torque applicator lets transfer rollers separate when motor power is off, reducing jams, damage, and maintenance risk.

Integrated leadscrew stoppers and an axially sliding nut limit steering angle, protect the clock spring, and simplify steer-by-wire packaging.

Paired control moment gyroscopes and a unidirectional drive deliver large torque in one direction while cutting power use.

Recessed lubricant uptakes in steering column spindle threads retain and recirculate grease to reduce friction, wear, and lubrication loss.

A magnetic biasing element keeps the clamp shaft locked in any orientation, improving secure attachment and easy release on work pieces.

Adjustable pulley positions let one EV reduction gearbox cover different ratio needs without new gearsets, cutting tooling and material waste.

Scalloped side-wall openings let a feeder driveshaft with pre-mounted sprockets pass through the frame, cutting feederhouse assembly time.

A rotatable drive pulley and adjustment pin set belt tension in REPS systems to prevent wear, noise, and slipping while keeping transmission stable.

Angle sensing on a baler chain tensioner tracks drive chain stretch, enabling timely replacement before breakage and downtime.

Chain stretch sensed at the baler drive estimates bale chamber power and crop load in real time, helping set ground speed and limit wear.

By moving sensing to the pulley axis and using a plunger target, rotation speed is detected without movable-pulley interference or extra parts.

An integrated housing air duct redirects airflow across an enclosed CVT chamber to improve heat dissipation and protect clutch components.

Modular cam-track pistons and integrated end-plate cooling passages improve engine scalability, balance, lubrication, and heat control.

Sensor contacts detect ratchet tooth clearance so SMA drive arms stop at stroke completion, cutting power waste and missed insulin cycles.

A notched friction ring and mounting seat maintain self-locking force as parts wear, while enabling quieter assembly and easy replacement.

Independent screw-and-spring biasing lets each nut finger be tuned separately to control lead screw friction, alignment, and wear compensation.

A sleeve-linked flange layout stabilizes bearing spacing in rear axle steering roller screws, preventing tilt from belt-drive tensile loads.

An annular ratchet and pin let a threaded nut reach its limit, hold full motor torque, and break free with lower torque without jamming.

A retained anti-rotation member locks the ball screw nut in guide grooves, cutting extra parts, cost, and key shape issues.

Varying tooth width along the trace enables 3D strain wave gear meshing while easing tooth cutting and preventing end-side interference.

Guide channels and a twisted tension band let a miniaturized surgical wrist maintain force, reduce stretch, and keep multiple degrees of freedom.

A stepped nut pulley with a support end and enlarged diameter keeps the bearing and ball nut coupled under steering vibration and road impact.

A flat spiral spring and small thread pitch cut EGR valve actuation torque while preventing unintended opening from axial pulsations.

A belted wave gear uses a circular wave generator and tooth-count difference to cut NVH while preserving compact, accurate vehicle lift drive.

A machined preliminary thread is roll-formed into a final ball raceway to improve surface finish, geometry, and stress resistance.

A rotating load-carrying housing with rolling threaded contact lets this actuator handle heavy loads in compact space while reducing friction heat.