Portable Lifting TRIZ Cases

A spin-formed flange welded to a ring gear transmits torque without intermediary shafts, cutting part count, weight, assembly time, and corrosion gaps.

Offset dual stop areas and an elastomer damper suppress steering rattling under tilting loads without raising spring preload or friction.

A metal ring gear with thermoplastic or powder-metal spline gears uses rib-guided self-alignment to cut stress, noise, and vibration.

A compound planetary gear set with a one-way bearing improves baitcaster line retrieval and spool distribution to reduce tangling and knotting.

An adjustable damping gear helps a screen stand maintain precise height and consistent push force despite added weight and friction wear.

A radially graded metal lattice with a polymer inner core cuts gear weight and noise while preserving wear resistance and load transfer.

A steel ring gear paired with a cast iron or aluminum composite core cuts gear weight while improving noise and vibration behavior.

Backlash is set by shifting the pinion shaft in a detachable flange, avoiding crown gear shims and reducing assembly complexity.

Discrete roller assemblies replace sliding worm threads to reduce friction and wear while allowing easier engagement and disengagement.

A metal gear hub with polymer-coated teeth handles higher torque demands while preserving the low noise and vibration of plastic gears.

Controlled carbide area and density at the gear tooth root preserve hardenability and raise surface hardness for better bending fatigue strength.

Water jet cut disc sprockets are stacked coaxially to avoid drafting angles, maintain precise tooth profiles, and improve belt tracking.

Controlled involute tooth geometry limits interference in small tooth-difference internal-external gears while preserving torque transfer and efficiency.

A compact torsion spring and torque-limiting pulley transmits torque in both directions for start-stop drives while damping overloads.

Stacked steel plates form a lighter gear sleeve that supports injection-molded teeth while maintaining strong resin-to-metal coupling.

An elastic damper around the bearing limits worm shaft tilt, stabilizes axial distance, and cuts steering rattle, friction, and assembly complexity.

A non-linear biasing plate spring raises clamping force under reverse torque to suppress rattling noise while preserving torque efficiency.

Nonlinear clamping plate springs let a worm gear reducer keep urging smooth while suppressing third-direction collision momentum and noise.

A disc-shaped radial structure with force-specific struts cuts gear material use while preserving strength under high mechanical loads.

A metal-resin gear structure cuts gear weight while preserving tooth support strength for high-load robot and automotive use.

A shared constructed tooth profile lets sun, planetary, and internal gears use one cutter while stabilizing meshing force, stiffness, noise, and efficiency.

A switchable coupling and gear train enables manual surgical instrument retraction when telerobotic drive power or control is lost.

Friction-coupled rotors transmit power quietly, while backup gear meshing engages on slip to prevent loss and maintain reliable drive transfer.

Thermoplastic injection molding secures a sprocket cushion ring without adhesive, cutting chain meshing noise and process complexity.

Helical teeth aligned with ribbed intermediate openings cut gear noise and improve strength in compact motor vehicle auxiliary drives.

A strip spring and lever replace the free wheel so a filtering pulley stays compact while transmitting bidirectional torque in start-stop systems.

Asymmetric end-surface recesses disrupt uniform resin flow at gate points, reducing deformation and stress while preserving gear accuracy and strength.

A segmented tooth profile widens external gear roots while preserving wide-range meshing to reduce stress, wear, and pitching.

Laser-fused particulate friction lines raise belt grip on small-diameter supercharger pulleys, cutting slippage, noise, and drive losses.

A tapered face-gear tooth profile cuts engaging piece weight while preserving torque transmission strength and reliability for new energy vehicles.

Proportionally reduced internal teeth and increased external teeth enable 3D meshing while easing tooth cutting in strain wave gearing.

A front-side cover seals a reduced-diameter electromagnetic clutch pulley against water and debris while preserving pulley ratio flexibility.

A duplex powder metal process sinters an inner component inside an outer ring to raise toroid part strength and durability at lower cost.

An inner-circumference runner and gate layout limits resin cooling during gear molding, improving quality stability and yield.

Shims, timing marks, and a retention member align double gears precisely without welding or grinding, cutting assembly time and cost.

Discrete combined tooth surfaces form a complete cycloid to avoid undercutting, cut friction, and raise reducer power density.

A nested torsion spring and sliding torque joint let an alternator pulley handle start-stop torque in both directions with less bulk and noise.

Circumferential interference preloads elastic groups in a filtering pulley to prevent impact noise, reduce wear, and improve torsional damping.

Drive wheel projections engage both drive links and tie straps to constrain saw chain motion, reduce oscillation, and extend working life.

Damaged wind turbine pitch gear teeth are repaired with an anchoring lip and replacement tooth block, avoiding full bearing replacement and downtime.

Welded hub, disc, and ring gear construction cuts gear assembly weight while improving NVH through multi-material structural design.

A spring-biased movable helical gear removes backlash in a pan-tilt head, cutting rattling, vibration, and speed unevenness that blur images.

Axially spaced support rings stabilize large helical gears against tilting, reducing contact stress, noise, and fatigue risk.

A sealed elastic cover keeps dust out of the pulley’s damping space while adding axial compression to reduce noise and extend service life.

Inwardly displaced flange surfaces lock the resin teeth to the metal core, preventing rotation without knurling or thicker resin.

An eccentric bearing and tip set screws shift shaft center position to remove gear backlash, reducing wear, striking forces, and jerky motion.

A monotonic shaft transition enables plastic material flow into tooth gaps, creating a secure shaft-hub press fit without chips or span formation.

A two-material helical plastic gear uses a stiffer support body to cut noise, improve smooth running, and preserve strength in compact drives.

Alternating oblique web pieces create a one-piece gear that cuts parts and weight while preserving rigidity under axial and engagement loads.

Pre-aligning and temporarily fixing scissors gear teeth simplifies gear-case assembly while preserving spring-loaded backlash elimination.