Portable Lifting TRIZ Cases

Elastic damper layers on gear tooth meshing surfaces absorb shock and cut noise without adding bulky or complex gear structures.

Integrated mating toothing locks the ring gear to the housing without a separate insert ring, improving load capacity and gearbox reliability.

Spring bias holds the driving member in a fixed axial position, compensating motor shaft play for precise optical power adjustment.

Adjusted sprocket tooth spacing lets multiple drive-link guide teeth enter between teeth, cutting chainsaw engagement noise while preserving drive.

Spring-loaded segmented guide disks let a metal belt self-correct on the pulley, improving tracking while reducing tension and belt deformation.

A connecting element transfers torsion-web restoring moment to a floating bearing, cutting steering gear play, noise, size, and weight.

A segmented multi-cogwheel with offset asymmetric teeth enables perpendicular meshing and translation while limiting axial forces and complexity.

A molded composite connector links the hub and drive elements to cut pulley weight, vibration, wear, and manufacturing complexity.

Independent fore and aft ring gears let a turboprop reduction gearbox handle misalignment while reducing weight and complexity.

Disc gate injection molding forms a smooth composite belt sheave with strong fibre orientation, fewer machining steps, and lower electrostatic charge.

An asymmetric bollard shape limits pulley pivoting at the anchor, improving rope alignment, control precision, and lifting stability.

Flush tooth-to-flange interfaces in a segmented helical gear spread tension evenly, reducing stress and extending service life.

Parallel rotation of the workpiece and cutting tool mills a repeatable end-face texture that improves friction and prevents relative rotation.

An elastic spring-piece bushing compensates steering assembly tolerances to cut worm gear friction torque, noise, and housing complexity.

Embedded sensors in a gear tooth groove enable precise temperature tracking despite lubricant interference, helping detect misalignment early.

Nested threaded shafts and a worm gear apply opposing forces to mold sidewalls while reducing spacing needs in direct chill casting.

Cellulose nanofibers in a thermoplastic gear improve moldability, reduce voids and noise, and maintain durable sliding under high torque.

A dual-gear rack drive moves carriers on a slide rail with reduced tooth clearance, improving speed, positioning accuracy, and payload handling.

Local tempering or annealing softens the gear tooth tip edge so it rounds during meshing, reducing dedendum spalling and chipping.

A tooth flank depression near the top land creates mating clearance in one machining step, reducing gear process complexity and time.

An opposing portion keeps the retaining member off the bearing, cutting metal contact noise, wear, and assembly cost in image forming rotation units.

Disc gate injection moulding forms a belt sheave with a protrusion-locked bearing, cutting machining, waste, and assembly cost.

Intersecting crosspieces between attachment holes disperse stress, cutting disc weight while maintaining strength across layouts.

Thin sprockets stacked on a common hub cut handling weight and installation effort while preserving strength, belt life, and interchangeability.

A spring-loaded guide linkage and clamping mechanism keep the steering worm aligned, compensating wear without reverse movement or rattling.

A separate reluctor tooth set lets off-road powertrain gears change tooth counts without reprogramming electronics or losing speedometer accuracy.

Axially stacked, rotationally shifted gears cut friction loss near the pitch circle while preserving tooth strength and contact ratio.

Stamped disc sprockets are stacked to build wider hub-less sprockets with precise tooth profiles, avoiding casting draft angles and cost.

Upstream groove placement preserves lubrication during bidirectional drive reversal while reducing surface pressure, friction heat, and shaft wear.

Damaged gear teeth are cut out and rebuilt by deposition welding, restoring load capacity while reducing downtime, material use, and cost.

An undercut flank-to-root transition limits post-compaction to gear flanks, preventing root cracks, warpage, and extra machining.

Triangular opening patterns and aligned crossbars cut sprocket weight while preserving torque strength and reducing stress concentration.

An asymmetric strut-and-perforation gear web balances spur gear stability, lower material use, and forging-friendly manufacture.

Elastic cutouts in the worm wheel maintain precise telescope positioning while avoiding overly tight mesh that increases friction and wear.

Localized support between adjacent teeth smooths tooth-root transitions to cut stress concentration without adding gearwheel weight or space.

A deformable retention feature guides slack rope back into the saddle, preventing dislodgment during horizontal winching at varied rope angles.

A tuned tooth-to-mold radial gap creates compressive residual stress during cooling, protecting gear durability and design diameter.

Three or more meshing positions raise torsional rigidity, while pitch-diameter and tooth-ratio tuning cuts deformation and power loss.

Directing cooling fluid to the inner side of gear teeth uses centrifugal force to maintain transmission cooling at high rotational speeds.

A symmetric dual gear-pair layout with annular spring films replaces joint bearings to raise torque density while cutting size, friction loss, and heat.

A curved sheave groove with locally varied radii keeps wire rope engaged at high fleet angles, reducing hang-ups, slippage, and wear.

A tooth-pattern support plate counters tensile stress during compact machining, reducing chips and raising cogwheel sintering productivity.

Selecting bulk metallic glass alloys by gear dimensions, hardness, and fracture toughness enables durable macroscale gears with low wear.

A one-way collar and ramped sheave clamp the CVT belt during reverse torque, adding engine braking while disengaging to protect components.

Using N+1 contact support on uniformly distributed cams, this eccentric gearing cuts parts, length, and manufacturing effort while staying balanced.

Cooling fluid is guided radially inward so centrifugal force keeps gear teeth cooled and lubricated at high rotational speeds.

A sintered inner component is formed inside an outer ring to cut toroid part cost while improving strength, durability, and weight.

A metal gear hub with undersized teeth gains a polymer outer layer to raise torque capacity and durability while preserving low noise and vibration.

Knurled rotor shaft surfaces and force-fit centering keep the pulley locked in place when a clamping nut alone can loosen under high torque.

A spur-beveloid gear train with a compressible gear transfers roll motion across angled axes while reducing backlash and easing assembly.