Portable Lifting TRIZ Cases

Linked rotatable bodies form shaped cavities that reveal symbols through coordinated rotation.

Movable sheave slider system with multiple surfaces contacts ramp arm to distribute wear across segmented contact points.

A dynamic valve regulation method adjusts master cylinder flow based on real-time speed feedback to maintain consistent hydraulic fluid supply.

Offset tooth beams and dual gear wheels reduce weight and complexity while maintaining stability during slide out extension.

Dual motor belt system drives press brake rollers via serpentine path to increase pressure force per length.

Segmented limit guide and nested switch design resolve deformation risks while protecting components from external impacts.

A mobile winch system uses a segmented frame with wheels to transport motorized pulling equipment independently from vehicle power sources.

A frustoconical drum winch design reduces vertical dimension and motor torque through efficient cable winding geometry.

A variable length sling system uses pulleys and a worm drive to adjust rope length dynamically.

Motorized actuating assemblies prehend and translate storage housings to automate transfer operations, reducing manual labor in courier logistics.

A chain gripping assembly transfers load from a hoisting line to multiple clamps, eliminating excessive heat generation on the rope.

Segmented stopper doors pivot via gravity to hold a marine salvage chain in place while hydraulic pistons reset, preventing reverse movement.

Bolted teeth on a sprocket frame allow quick replacement of worn parts, reducing system downtime.

A case-hardened steel component uses optimized Ti-based precipitates to refine grain size in the carburized surface layer.

Segmented gears and wheels reduce slippage and manufacturing costs in high-load V-pulleys.

A winch hook integrates three-dimensional features to engage a fairlead in four orientations.

Radial slide tracks restrict axial shifting in split sprockets, enabling secure assembly with a single fastener.

A lift assembly uses a jamming cleat and guide bracket to secure tensile members for bulkhead movement.

A motorized housing moves along a chassis bracket to deploy a spare tire via a retractable cable, eliminating manual cranking and crawling beneath the vehicle.

Merges toothing and body into one plastic part via injection molding, reducing manufacturing complexity while maintaining torque transmission.

A stepped shaft design reduces friction between gear and shaft by optimizing contact areas.

Dual roughness zones on the pulley surface raise the coefficient of friction above 0.4 while limiting abrasive wear on the non-synchronous drive belt.

A sintered gearwheel applies a compacted surface layer to increase load-bearing capacity.

A sprocket assembly uses recessed bolts to secure removable teeth within an octagonal frame, preventing component contact.

A two-stage process casting a polymer rim before overmolding prevents shear damage, preserving chain integrity for stronger torsional joints.

A winch bracket design enabling controlled rotation during impact to dissipate forces and absorb energy effectively.

Electromagnetic braking replaces mechanical friction to eliminate multiple cables and idler sheaves, enabling steeper descent paths with minimal wear.

Offset sprocket portions stagger engagement to reduce impact noise while hub and periphery dampers absorb forces.

A sheet feeder driving gear transmits force to a feed roller for bidirectional rotation using dual engaging members.

An inductive sensor detects handle movement via magnetic fields to control suspended loads without mechanical contact.

A resilient spring coupling allows a driving gear to rotate slightly relative to its shaft, enabling smooth meshing with a driven gear.

Standardizing the core assembly reduces manufacturing complexity and cost while maintaining high reliability across diverse lifting applications.

Centrifugal force lifts a sensing contour on a catch hook from a control disc, triggering a locking tooth engagement that prevents load chain overrun.

A portable power-driven system uses a lever and roller arrangement to secure and advance ropes.

T profiles mounted on crane surfaces form integrated conduits that protect cables from impacts and sunlight without complex ladder assemblies.

Corrugated web profiles increase section modulus to resist buckling while cutting overall weight by 35 percent.

A cam-based lifting mechanism secures loads by pinching a line against a housing using rotational friction.

A crane device calculates actual rope falls using feed length and boom angle sensors to verify configuration settings.

A sheave belt guiding surface uses a polynomial profile to guide elevator belts.

A pulley closure flap locks via a pin to secure rope installation on forestry winches.

A motorized chain driver replaces manual pulling with a battery-powered sprocket mechanism, eliminating repetitive motion injuries.

Spring-loaded jaw members secure the winch housing to rails, reducing repositioning time while maintaining attachment stability.

A swinging rope retainer pivots on a boom shaft to secure or release crane cables without tools.

Elastic inner bearing structures deform under load to promote full-film elastohydrodynamic lubrication, reducing asperity interaction and wear.

A ratcheting cinch system secures nested shopping carts using a non-abrasive coupler and tensioning assembly to elevate wheels.

Segmenting attachment points into a supporting piece and locking plate eliminates empty runs by utilizing full lifting capacity.

A diverting pulley axle locking mechanism exposes the contact point for visual inspection without disassembly.

Radial recesses in the worm top portion support a mold pin tip, preventing inclination and ensuring insertion hole alignment accuracy.

Auxiliary cable and chain mechanism guides hoisting cable over pulleys to adjust lower hook block position, reducing force required for strand mode changes.

Nesting the relay terminal box within a motor cover recess resolves size and appearance trade-offs.