Gearing TRIZ Cases

An adjustable guide bush and bearing compensate steering gearbox tolerances, enabling stable belt tension and uniform steering feel.

A Geneva drive flips inertial sensors by about ±180° with low power and no slip rings, avoiding heat that can degrade sensor performance.

A shaft recess and housing protrusion mechanism converts one drive into linear and rotary tool motion, reducing forming system complexity.

A sensor gear driven by ball screw nut threads improves steering spindle position accuracy while saving space and reducing wear and gear lash.

Radial engaging and disengaging deflectors move pulley segments in advance, extending shift synchronization and reducing wear under load.

Consolidated 3D-printed screw and segment parts simplify telescoping actuator assembly while improving structural integrity and reducing friction.

A belt support member presses drive belt surfaces together to maintain steering belt tension, prevent tooth jump, and reduce noise and vibration.

A cam-like shaft recess and guide projection turn one linear drive into linear and rotary tool motion, cutting forming tool drive complexity.

Variable torque-limiting clutches absorb CVT torque spikes, enable shifting between high and low range in motion, and protect belt life.

A flexible ramp lifts the leveling extension to support belt tooth bases across cone diameters, reducing belt stress and improving torque transfer.

Repulsive same-polarity magnets and segmented walls convert linear motion into rotor rotation without contact, reducing wear and energy loss.

Radial spring assemblies replace friction and hydraulic clutch elements to store and release bidirectional potential energy with lower loss.

Dual sealed lubricant chambers separate bearing and gear greases in a strain-wave gear, preventing mixing, pressure-driven leakage, and wear.

A rotary servo motor replaces hydraulics and gear drives in food-forming knockout motion, cutting wear parts, maintenance, and replacement time.

A split bushing with separate shrink-fit and guide zones preserves piston sliding accuracy without post-assembly grinding.

A central bead and retaining ring support pivoting gearbox teeth axially, cutting wear and simplifying assembly in radially driven gearboxes.

Toothed belts and a rotating belt tensioning unit replace leak-prone rotary leadthroughs in a flow-through centrifuge while reducing wear and contamination.

A chute gear assembly improves snow discharge control while a battery block and safety interlock prevent inadvertent auger activation.

A grooved rack bearing and delash spring assembly stops rotation without a pinion, cutting steer-by-wire packaging, cost, and complexity.

A PEDM and ethylene-based copolymer blend improves belt tack and green strength without tackifiers that weaken thermal stability.

A shoulder-shaped sliding tooth and cam disk cut tooth-carrier contact forces, reducing gearbox heat, wear, and manufacturing burden.

A screw-coupled fluid actuator improves linear positioning accuracy while preventing drift and enabling manual operation during power loss.

An integrated end recirculator combines ball guidance and grease retention to cut axial space in ball screw nuts while limiting lubricant leakage.

A cam-driven shaft and rotation sensor simplify CVT movable sheave position detection while improving accuracy and assembly ease.

Retaining ring grooves lock the nut and fitting cylinder against axial shift while keeping ball screw assemblies compact and load-capable.

A continuous tube recirculation loop guides balls through the screw recess to improve torque-to-axial-force conversion and cut brake actuator weight.

Separate upper and lower rollers let a rollable display expand screen area without oversized drums, cutting weight, power use, and installation limits.

A coil spring transmits power and reveals output-shaft load torque from its extension or contraction, reducing mechanism complexity and cost.

An articulating rod system, force-redirecting grip, and ergonomic handle reduce surgeon fatigue while improving laparoscopic control.

An axially separated target-shaft layout lets endless transmission members be replaced easily while preserving rigid driving-force transmission.

A dual-bushing movable sheave structure absorbs eccentric belt loads, stabilizes spline fitting, and reduces wear in electronically controlled CVTs.

A shaft through the engine case lets a CVT sheave position sensor stay outside, improving harness routing and reducing heat exposure.

A rail-guided articulating ramp uses rollers, motorized drive, and position sensing to automate wheelchair entry while staying compact.

A four-bar linkage with an electric push rod expands wheelchair power head swing angle while keeping the lift compact and lockable.

A non-uniform inclination portion forms a holding edge in the nut groove, guiding balls past screw threads for smooth endless circulation.

A parallel spherical joint lets the actuator absorb external movement, preserve internal alignment, and reduce stress that shortens service life.

An annular end recirculator combines ball guidance and grease sealing to cut axial space in ball screw nuts while maintaining smooth recirculation.

Spring-loaded force stabilizers and low-CTE encoders reduce backlash, friction variation, and thermal drift in linear motion positioning.

Injection-molded plastic splines and wave generator cut harmonic reducer cost while preserving compact strength and precise motion transmission.

A multi-part housing integrates the motor, leadscrew, worm gear, and bearing to cut steering column parts, cost, and packaging complexity.

A movable drive unit and preload guide keep steering column belt tension stable, cutting slippage, noise, wear, and tolerance sensitivity.

Separate nitriding of the bushing and hardening of the nut let a brake actuator piston resist corrosion and abrasion without treatment interference.

Inset metal plates secure the ball return in a spindle nut without protrusion, easing assembly, absorbing tolerance variation, and reducing noise.

Separate nitriding of the sleeve and carburizing of the nut create a compact brake actuator piston with higher corrosion and abrasion resistance.

A gear-driven hinge lift raises the laptop housing as it opens, giving the keyboard an automatic ergonomic angle without extra support parts.

A spring and clamp preload rotary bearings for precise sprocket axial adjustment without spacer disks or disassembly.

An internal ball return path in an everted ball screw cuts actuator length while resisting eccentric-load buckling without extra supports.

A slack-side tensioning pulley and torque-driven cone diameter compensation keep belt teeth aligned for smoother CVT re-engagement under load.

A semi-crossed belt and helical-tooth pulley improve motion transfer between orthogonal shafts for accurate, repeatable X-ray collimator slat movement.

A semicrossed toothed belt and helical pulley transmit motion between orthogonal shafts for precise, repeatable X-ray slat movement.

Segmented end units and a fixing platform enable rapid mounting of the dustproofing device, reducing installation time while preventing dust intrusion.

Integrating detection components into the recirculation cover eliminates external sensors, reducing overall nut length while enabling vibration monitoring.

Removable stopper pin holds torsion spring arm against unwinding, enabling shaft hole alignment with mounting surface holes.

Two-part molding fuses the shoe and base into an integral unit, resolving bond strength issues caused by thermal expansion differences.

A limit switch design integrates a diode within an insulation housing using connection pins and an elastic guiding set to establish electrical contacts.

Integrated securing plate tongue radially centres the torsion spring, preventing premature wear from radial displacement.

Predictive clamping control prevents belt slip and driveline vibration while improving fuel economy.

Segmented gear and regulating components translate along longitudinal axes to prevent rotational non-uniformity during mounting, ensuring stable engagement.

Hydraulic control apparatus monitors engagement oil pressure and rotation speed differences to pinpoint failed friction devices, reducing repair time.

A rotatable bearing belt guide maintains V-belt contact with the driven clutch at low drive ratios.

Merges fastening means with the adjusting eccentric using asymmetric stops to resolve the trade-off between position adaptability and device complexity.

A rotational speed superposition device uses a harmonic drive gearing system to independently rotate input and output shafts.

A cartridge with slots and an extension enables eccentric rotation of a pulley to adjust belt tension before installation.

An elastic O-ring on the actuator head absorbs vibrations and reduces noise while maintaining positioning accuracy.

Axial displacement via a ball spline bearing decouples wheel suspension loads from the electric motor rotor.

A medical instrument handle uses movable actuators and coupling units to transmit force or torque between transmission devices.

Powered rotation and braking mechanisms position heavy loads upright, eliminating manual handling injuries during transit.

A transmission controller sets target line pressure using an offset value during coordinated shifts to maintain hydraulic stability.

Spring-mounted counter-stop elements absorb rebound forces to prevent vertical falling of linear motion device supports.

A rotary electronic component uses a plate spring with resilient arms to generate tactile clicking feedback during rotation.

A spline wheel contour design method slices radial and circumference movement tracks to form precise tooth flanks.

An intermediate flange on the ball nut reduces axial dimension and radial runout of the pulley, creating a compact rack drive assembly.

Spring preload overcomes high driveline drag to ensure reliable engagement without increasing system mass.

A hydraulic actuator cylinder uses controlled surface roughness to suppress sliding abrasion of liquid-tight seal members.

A tensioner shoe uses a recess to transfer load from the working surface to the piston base.

Segmented automatic tensioners apply distinct torques to tight and slack sides, reducing belt slip and noise while extending component lifespan.

Arc-shaped guard plates and clearance slits prevent debris damage to track roller frames during recoil events.

Cam-based mechanical control prevents belt meandering without electric sensors, reducing device complexity and manufacturing costs.

A magnetic piston uses a tapered bore and embedded permanent magnets to convert rotational motion into linear movement.

A release-canceling mechanism disconnects motion paths to restore latch engagement.

An automatic transmission control system detects friction element faults and lowers engine speed to prevent secondary disengagement malfunctions.

Optimized relief valve and plunger clearance maintain constant chain tension across varying engine speeds and oil temperatures.

A clutch control unit moves a pressing member axially via electric current to engage multi-plate friction surfaces.

Optimizing rim thickness via a modified Goodman diagram resolves the trade-off between transmission load torque and structural flexibility in wave gear devices.

A rotatable shaft drives a lateral movement device to translate motion via a cable pin.