Gearing TRIZ Cases

Segmented convex sections with flat butt sections prevent unintended unlocking from impacts while reducing wear on sliding surfaces.

Multiple blade springs in a bracket groove distribute force evenly across the chain guide, preventing slippage during wear and thermal expansion.

Proportional wheel diameters synchronize support device displacement with the nut, preventing gravity sag in long screws.

A planar actuator device uses interdigitated teeth and a latch mechanism to enable precise rotational movement of optical components.

Sidewall grooves in the rubber crawler lug deform under bending forces to eject accumulated soil, restoring traction in muddy terrain.

Spacing element melts from friction heat, allowing the distributing member to engage the shaft groove for continuous lubrication.

A linear actuator output member uses embedded teeth and a retainer to join the rod and screw.

Mixed-diameter rolling elements in a ball screw mechanism reduce friction and prevent clogging by selectively engaging large balls at low loads.

Lobed sprocket geometry compensates for the polygon effect in chain drives, reducing vibration and noise without increasing system complexity.

A tubular tensioner uses a ratchet mechanism to engage locking teeth and maintain chain tension.

A vehicle flexible display uses a movable roller mechanism to expand horizontally and retract vertically, minimizing interference with dashboard components.

An intermediary torque limiter protects downstream components from breakage while maintaining controlled winding diameter.

A tension spring and roller mechanism guide sheet feeding cassettes into position, reducing operational force required for heavy loads.

Bulk metallic glass strain wave gears use casting to form complex components directly.

A control device coordinates variator and auxiliary transmission speed changes to manage drive force transitions during up-shifting.

Merging power electronics with sensor circuitry on a perpendicular PCB reduces electromagnetic interference and voltage drop in vehicle tailgate drives.

A CVT driver pulley assembly uses radial ramp structures to guide roller weights along guide rails for dynamic gear ratio adjustment.

V-grooved raceways and an endless coil spring enable four-point contact in a compact sliding bearing that supports moment loads without lubrication.

A tensioner with eccentric pivot axes adjusts belt wrap angle while maintaining moderate basic tension levels.

Controller adjusts CVT pulley ratio to converge driving pulley rotation speed, preventing non-linear acceleration during kick-down transitions.

A quick connect nut uses a flexible C-shaped retainer to lock expanding locking parts for rapid threaded rod attachment.

A ball screw nut integrates a positioning notch to engage a circulation member protrusion, enabling direct mechanical fixation without external fasteners.

Deformable roller body segments adjust radial distance to self-center the belt, resolving non-uniform material distribution issues in agricultural harvesters.

An accumulator orifice plate restricts transmission fluid flow to moderate servo pressure changes.

A lifter device uses a dynamic friction generating portion to apply resistance only during seat lowering operations.

A telescopic steering column apparatus places its adjustment mechanism within an outer jacket opening hole to achieve a compact axial design.

An intermediary fastening member retains an oil seal within a press fitting part, reducing radial dimensions while preventing grease leakage.

A drive power transmission device accumulates kinetic energy in an elastic member to release power asynchronously relative to input shaft rotation.

Merging the lock into the actuator housing eliminates cantilevered bulk, while an electromagnet-driven ball prevents untimely deployment.

A mirror head actuator assembly uses magnetic coupling between inner and outer carriages to transfer telescoping motion.

A transmission controller manages sub-transmission downshifts using accelerator pedal opening and speed signals.

Arcuate recessed and projecting surfaces on the lever and restriction member guide the drive pin through smooth paths, preventing impact damage during rotation.

Removing locking protrusions from the chain guide shoe eliminates complex dies and reduces material costs.

Drum cam lifts pinions from worm gears, enabling 20-pound manual release while preventing accidental opening.

Archimedean spiral guide curves convert rotator rotation into sliding member linear motion, eliminating specialized tools and jamming risks.

A dual drive pump system uses back-to-back one-way clutches to switch power between an engine and auxiliary motor.

A roller screw mechanism uses a convex-concave hypocycloid tooth profile to distribute contact pressure across gear wheels and rollers.

Replacing screw bolts with pin fixation in a modular electric linear actuator reduces labor costs while maintaining structural stability.

A swing mechanism with a fulcrum connects the control shaft to the manual valve in an automatic transmission hydraulic system.

Replacing mechanical springs with an electronic controller eliminates hysteresis, enabling precise ratio changes without inertia delays.

A continuously variable transmission steering differential uses shift arms to adjust drive sheave spacing for precise speed and steering control.

A steering shaft decoupling assembly transitions between locked and unlocked states to enable axial translation of the wheel.

A lost-motion joint in the link rod enables direct drive conversion, reducing weight while fitting hydraulic spatial constraints.

A slide operation dovetail groove sliding stage uses a lock screw and force rods to manipulate the sliding component directly.

A timing belt cover assembly uses a sealing mediator to adhere closely to the support bracket.

Segmented lubrication chambers prevent debris cross-contamination, extending operational lifespan.