Gearing TRIZ Cases

A clutch-linked nut and screw rod let a powered swing member be manually interrupted during opening or closing while avoiding damage from external forces.

A magnetic biasing element secures the clamp shaft for easy locking, stable attachment, and reliable use in any orientation.

Nonmetallic inner links and split inner-outer pitches cut chain noise while preserving rigidity, assembly ease, and transmission efficiency.

Varying inner and outer link pitches enables quieter, more rigid chain engagement while improving transmission efficiency and durability.

Pre-assembled sprockets and scalloped side-wall openings let the feeder driveshaft pass transversely, cutting feederhouse assembly time.

Sensors and hydraulic or electric adjustment keep belt tension stable as wear develops, reducing manual checks and preserving power transmission.

Asymmetrical thread flanks cut friction and improve lubrication while preserving ball screw capacity for high axial loads in one direction.

Axial lumens and deflectors remove undercuts in a one-piece ballscrew recirculation part, simplifying molding without losing ball guidance.

By separating expansion timing from lateral movement, the stacking unit handles varied print sizes while reducing printer footprint.

Separated grooves in the tensioner cap improve air venting and oil filling, helping maintain cam chain pressing force and reduce noise.

An annular-flange roller pin spreads ramp loads on the fixed sheave, reducing localized stress and crack risk without heavier materials.

A single cam with guide grooves drives multiple watch animation members in less space, reducing parts and avoiding return springs.

A knurled minimum-grip sprocket keeps a parts washer basket rotating in oily conditions while allowing limited slip to reduce jamming.

Modified nitrile-diene elastomers and lower filler loading help toothed belts keep modulus, torque capacity, and life under heat and stress.

A double-row bearing acts as the radial seal in a belt tensioner, blocking contamination to preserve pivot durability and damping consistency.

Opposite-helix threads and identical pitches let this roller screw deliver precise displacement control without sacrificing load capacity.

A load-applied guide transmission limits back force to the drive source, preventing media jams while reducing conveying power use.

A dual spring-damper tensioner creates a virtual stop to limit arm rotation, prevent belt tooth jump, and reduce clutch wear.

Leveling extensions let CVT cones support bottom-toothed timing belts without expanding leveling loops, reducing mechanism complexity and cost.

Fine unevenness on ball rolling surfaces improves lubricant retention, cuts low-speed friction, and helps prevent wear.

A switchable coupling lets a vehicle panel spindle drive stay easy to operate manually, then activate motor drive later without workshop retrofitting.

A dual-drum rollable display splits the panel across two rollers to cut drum weight, ease installation, and reduce standby power use.

A reversing motor and gear-driven switch assemblies handle inflation, deflation, and chamber sealing with lower air pump cost.

An internal transfer channel in skewed spindle core halves recirculates balls while reducing outer diameter and rolling resistance.

Standardized rollers and spindles with selectable spindle nuts adjust play and preload for compact, rigid planetary transmissions.

Non-uniform tooth angular phases disrupt load torque cycles to suppress chain tension fluctuation, order noise, vibration, and resonance.

A shuttle-driven lubricant channel recirculates grease through the ball screw to reduce dead volumes, friction, wear, and servicing frequency.

Separated alpha and beta lubricant channels with a shuttle recirculate grease through the load circuits, cutting dead volumes and extending service intervals.

Dual motors and concentric shafts lift nested recovery vessels uniformly, shrinking substrate processing equipment without sacrificing stability.

A removable collar locks the spring-compressed tensioner during shipping and installation, easing setup in tight spaces before belt or chain tensioning.

An air passage between primary and secondary clutch chambers cools enclosed off-road CVTs, reducing heat degradation and extending component life.

A recirculating lubricant channel with a shuttle, check valves, and reservoir cuts dead volumes in ball screws and reduces servicing.

Alpha and beta lubricant channels with a shuttle-driven recirculating flow path reduce dead volumes and extend ball screw service intervals.

A compliant cam sleeve and roller end stop absorbs impact energy at actuator travel limits, reducing torque spikes and fatigue in ball screw drives.

Oblique spring segments let a flexible gearwheel disc bend radially while staying rigid circumferentially, reducing noise and backlash.

A belt-supported reaction force path helps steer-by-wire steering maintain consistent wheel feel and stability under high reduction-gear loads.

By integrating the cradle and support arms into one body, this case removes coupling-surface machining and alignment steps in bodymaker mounting.

A stepped single-stage planetary gear and pinion flywheel raise cutter drive speed while reducing planet-bearing centrifugal loads.

An inclined locking surface and restricting unit raise belt damping force without enlarging the tensioner or letting the friction member slip.

A mechanically coupled target lets one proximity sensor confirm both hook engagement and olive presence, avoiding false uplock retention readings.

CVT cooling exhaust is routed concentrically over the engine exhaust pipe to cool it and keep occupant and cargo spaces from overheating.

Direct nut-to-unit contact opens aligned channels only at a lubrication position, cutting valve count, space use, and manufacturing complexity.

An integrated case rib shields the chain drive from gear splash and routes oil, cutting aeration that can raise oil pump noise and resistance.

A single motor and selective power transmission replace hydraulic landing gear actuation, cutting weight, complexity, and space use.

An internal elongate member reinforces the CVT clutch tower against impact loads while preserving cover service access and alignment.

A biased driven post sleeve lets the driven clutch follow belt movement, maintaining CVT alignment from idle to high ratio to cut drag and wear.

Lubricant flows only when the nut reaches a lubrication position, removing non-return valves to save space and manufacturing cost.

A positive-locking guide tube connection replaces bonding or welding, cutting spindle drive material cost while maintaining axial and anti-rotation support.

By nesting the brake inside the coupling section, this vehicle flap drive cuts residual installation length while preserving braking and torque transfer.

Segmented threaded planets maintain continuous nut engagement, reducing overlap and manufacturing complexity in high-force linear drives.

A two-step carbide and spherical particle treatment boosts strain wave gear fatigue strength, cuts noise, and avoids thin-wall distortion.

Angled idler pulleys and grooved capstan routing prevent line overlap, cut friction wear, and maintain tension for safer lifting.

An idler pulley shrinks the belt loop so the ejector drive can use a smaller sound-proof cover without sacrificing noise reduction.

A spring-biased drive nut keeps flexible jaw-actuation cables tensioned during manipulation, preventing slack and dislodgment in robotic surgery.

A staged gear path lets a smaller spring start follower gear rotation, cutting drive size, cost, and operating noise in image forming units.

An outer ring insertion hole and concave lid simplify ball screw bearing assembly while allowing load capacity changes without reworking the shaft groove.

A two-step gear positioning method simplifies traction drive installation in tight transmission housings while reducing stress and jamming.

Hydraulic chambers and piston springs vary chain tensioner force with wear and load, improving drive efficiency without losing chain control.

Spider buoys and adjustable mooring chain length let a floating offshore structure shift position to avoid drifting ship collisions with less chain.

A spring-biased hook and cam uplock locks landing gear without hydraulics, cutting weight and complexity while maintaining reliable stowage.

A slit nut with adjustable inner diameter keeps screw contact uniform in steering feed mechanisms, cutting rotation resistance and backlash.

Convex contact points, elastic force, and a rotation-preventing shaft help a feed screw moving body resist nut tilt and suppress feed irregularity.

Split half-ring gears uncouple under overload to prevent fan blocking and turbomachine drag without adding flexible zones.

Concentric shafts, sleeves, and a rotatable nose wheel combine multiple actuations into one compact handle for easier endoscopic use.

Inclined abutting surfaces spread contact force in a steering shaft stopper, limiting rotation without reducing range or damaging parts.

A sleeve-mounted pawl locks the actuator only after preset travel, preventing accidental deployment with less weight and added hardware.

Special rollers and a slide-locking mechanism let a motorcycle CVT switch setups while avoiding sudden release impacts during gear changes.

A split bolt-and-sleeve tensioner lets operators adjust agricultural drive-belt tension with one wrench while keeping secure locking.

A projection on the tensioner mounting face forms a sealed oil passage, cutting machining load and preventing oil leakage without metal gaskets.

End-mounted reservoirs, seals, passages, and track wipers recirculate lubricant in a ballscrew nut to reduce leakage and extend relubrication intervals.

Stored spring energy and a latch enable rapid axial movement of a driveline output member for faster engagement and disengagement.

A mirror-inverted balancing torque cancels dynamic inertial forces in non-constant transmission mechanisms, cutting peak motor torque demand.

A dual-diameter detection gear increases rotation so developer cartridges can more reliably identify new units and cartridge specifications.

Secondary hydraulic pressure is adjusted from required primary pressure to prevent CVT belt slip, stabilize torque transmission, and cut oil-loss energy.

Interlocking fixing fingers and a spring ring simplify linear actuator rear mounting while resisting lateral movement and pulling forces.

A flexible shoe extension hooks from below for easy automated chain guide assembly while resisting vibration-driven detachment.

A crankshaft links both legs so one leg’s rearward motion drives the other forward, enabling stable continuous passive walking.

A floating arm and pulley retainer simplify belt installation while maintaining precise tension ratios and reducing assembly time.

A differential gearbox converts limited robotic arm inputs into carriage translation, jaw control, knife actuation, and instrument articulation.

When a transmission pressure sensor fails, correlated line and control pressure estimation keeps shifting stable and prevents unintended shifts.

Surface recesses in the spindle nut counter dynamic imbalance while supporting force transmission, reducing vibration, noise, and wear.

Angled nut thread flanks create clearance at screw section joints, reducing elevator noise, bumps, and vibration from misalignment.

A rack-and-belt telescopic drive lets one stacker crane reach multiple storage racks, improving item transfer and reducing the need for separate units.

A sliding pin and cover coupling keeps belt drive power transmission accurate even when image-forming shafts are slightly misaligned.

A pivoting lever and rail path increase actuator leverage near the nip, enabling precise resin molding pressure while protecting roll surfaces.

A detachable clutch wheel lets a blocked actuator tube idle during retraction, enabling manual operation and reducing pinch risk.

A rotatable nose wheel and nested drive shafts combine grasping, dissection, and tissue treatment in one compact surgical handle.

Radial clamping presses threaded parts together to eliminate screw drive play, simplifying the adjustment mechanism structure and lowering production costs.

A reflecting assembly driven by a transmission rod and connecting element adjusts the tilt angle of a head-up display mirror.

Parallel segmented planetary gear mechanisms increase bearing diameter to reduce axial dimension, preventing pinion shaft bending and load fluctuation.

A belt-drive CVT tone wheel extends axially to position detection portions near the movable pulley.

An insertion wedge tensions the toothed belt by pushing the motor housing away, eliminating expensive tensioning rollers and reducing device complexity.

A swingable mechanical structure converts pedal force into lateral seat motion via a rotating shaft and tilt member.

Fastening holes in the nut body serve as coolant ducts, dissipating frictional heat from the spindle interface without adding external cooling infrastructure.

Conical sleeve bearing absorbs lateral forces on threaded spindle, reducing material stress and enabling smaller component diameters.