Yielding Coupling TRIZ Cases

An integrated boot restrictor engages torque-transmitting elements to prevent CV joint separation without added retention parts or assembly complexity.

Variable-curvature ball tracks with alternating convex and concave profiles shrink CV joint packaging while reducing clicking noise and preserving efficiency.

Flexible fixing portions and an elastic washer let a torsion damper friction washer move axially, compensate wear, and avoid peening.

Selective hardening, vapor deposition, and cryogenic treatment help X-joints handle dynamic loads and resist wear for longer service life.

A single yoke shaft with multiple mounting diameters fits different protective covers, cutting variants, inventory cost, and stress issues.

A compressible mandrel and AFP create large-diameter driveshaft diaphragms with sharp transitions, improving bending flexibility.

Outward-curved gear tooth surfaces maintain contact area in flexible shaft couplings, reducing stress, wear, and transmission loss.

A sliding sleeve and stop pins redirect axial load from the inner drive shaft to the outer member, protecting gearbox bearings during drilling misalignment.

A single disc combines torque transfer, elastic return, and sensor targeting to shrink vehicle coupling hardware while preserving coupling-state detection.

Roller elements between telescopic shaft members absorb axial movement and angular lash, improving steering installation flexibility and stability.

A universal-joint cam drive shortens drum brake stroke while keeping brake shoe force more uniform despite asymmetric wear.

A frustoconical shaft with symmetric bellows redistributes static and dynamic stresses while preserving torque transfer and misalignment flexibility.

Dual ball track pairs combine concentric and S-shaped paths to raise CV joint torque capacity, cut friction, and keep control at large bend angles.

A high-performance plastic bush adds electrical insulation and overload torque limiting to rail couplings while keeping rigid torque transmission.

A controlled free-stroke drivetrain with elastic and hydraulic damping cuts pedal kickback and chain stress during rear suspension travel.

A splined yoke with C-clip axial retention increases driveshaft articulation while reducing aftermarket part variation across vehicle models.

A concentric auxiliary coupling stays disengaged in normal use, then engages on membrane failure to maintain drive torque and vessel manoeuvrability.

A roller-based constant velocity joint separates torque from aerodynamic force transfer, improving fatigue life and easing tilt-rotor maintenance.

Roller-and-chamber CV coupling separates torque and force paths in a rotor joint to improve fatigue life, cut weight, and avoid overheating.

Spiral connector arrays and an annular gap let this additively manufactured shaft coupling stay torque-stiff while flexing axially and in bending.

Fiber-reinforced composite diaphragms and tube cut shaft weight while preserving torsional stiffness and load resistance at high speed.

Controlled free angular stroke and dampers absorb suspension-driven chain stress and pedal kickback while preserving pedaling stability.

Radially movable connecting elements let heavy shredder shafts be coupled or released without axial displacement, cutting maintenance time.

Controlled porosity lets a powder metallurgy wave generator handle up to 18 Nm while cutting harmonic reducer machining cost.

Centrifugal flyweights in a collar-and-cage assembly create friction damping for nested shafts, cutting torsional noise, fatigue, and speed fluctuation.

An integrated engagement element replaces a link member to cut clutch part count while preserving smooth locking, unlocking, and reverse torque blocking.

A ceramic connecting unit transmits torque while electrically isolating components to prevent bearing damage without losing rigidity.

Two reverse-aligned elevator machines use flexible coupling and synchronized drives to double hoist capacity at lower manufacturing cost.

Dual valves balance oil chamber pressure in a gear spindle during roll replacement and rotation, preventing oil leakage and gear wear.

Cap-pin locking lets a slim universal joint transmit torque while independently locking X-Y axes without sacrificing free motion.

A polygonal ball cage creates point contact in a countertrack joint, cutting friction and noise during load changes while easing manufacture.

A tubular intermediate piece encloses elastic damping elements to retain broken parts, transmit torque, and preserve emergency running safety.

Tailored CV joint ball-circle ratios and reduced operating angles cut rear-wheel drive shaft size and weight while preserving torque capacity.

Curved root transitions and selective carburizing help a double roller tripod CV joint withstand surface pressure without losing leg shaft strength.

Radial elastic damping pieces absorb sudden wheel-induced torque, maintain coaxial shaft rotation, and protect motor and gearbox parts.

Raised portions engaging outer-hub recesses create a stable torque-transmitting shaft connection without extra sleeves or carrier-housing deformation.

Specific ball pitch-circle and cage-thickness ratios shrink a rear-drive fixed CV joint while preserving torque capacity and durability.

By routing the coupling shaft through the gearbox, this case cuts drive length while preserving misalignment accommodation and center-of-gravity placement.

By limiting operating angle and tuning ball pitch circle and inner member thickness, this CV joint cuts size and weight without losing torque capacity.

An inner sleeve extends the rolling raceway while a convex end contact applies preload, raising steering joint rigidity and bearing load.

Separating the pressed member into two elements prevents pressed surface deformation and preserves clutch locking and switching control.

Blending HNBR with EPDM gives a CV joint boot elastic recovery at -40°C while limiting oil swelling and preserving sealing durability.

A separate clamp compresses the slitted fitting cylinder to improve serration coaxiality, suppress shaft whirling, and prevent steering noise.

A crowned male spline with a gradual tooth-thickness increase prevents insertion interference and stabilizes propeller shaft collapse load.

Transition coupling gears, a toothed flange, and axial limiting grooves stabilize back-to-back planetary test boxes under axial movement.

Variable-curvature cross grooves keep cage balance and ball guidance stable at large joint angles, preserving constant velocity and durability.

A thinner female-shaft end region and 90° spline ends raise pull-apart retention while avoiding steering shaft lockup and high assembly loads.

A radial engaging element replaces springs and rolling parts to shut off reverse torque while shortening clutch axial length.

An integrated claw clutch and elastic intermediate part connect motor and spindle in less space while preserving centering and thermal compensation.

Meshed toothed plates and a pivot shaft enable wide-range angle adjustment in sanitary product supports without losing structural stability.