Yielding Coupling TRIZ Cases

A boss-mounted spline connection lets the differential side gear avoid a large through hole, cutting size, thickness, and weight while preserving torque rigidity.

A recessed threaded ring and non-circular coupling contours keep toothed discs compact, preloaded, and reliable for faster torque transfer.

A non-linear interlock between flange and diaphragm helps welded drive shaft couplers resist crack propagation and fastener-related failure.

A one-piece power train with weakening recesses adapts to eccentric motion, cutting joints, wear, lubrication needs, and installation length.

A local relief on the inner joint spherical surface avoids sleeve press-fit interference while preserving contact area to reduce wear and noise.

Thin and thick resin film regions keep tooth contact through thermal cycling, cutting steering shaft backlash and rattle noise.

Phase matching between track grooves and the female spline stabilizes CV joint gripping, preventing slip, vibration, and tool collision.

A degressive nonlinear spring coupling transmits static torque while insulating drive vibrations without added damping parts or extra space.

Helical channels in concentric tube bodies add bending and axial flexibility while preserving torsional stiffness and removing diaphragm welds.

Rolling balls in a spherical bearing cage let a surgical wobble plate rotate on two axes without gimbal error, reducing space and cost.

A segmented multi-axis lever linkage overcomes linear-only motion by combining intersecting rotation axes for adjustable circular movement.

Oppositely inclined curved track grooves keep ball contact and cage balance at operating angles beyond 50°, improving torque transfer and durability.

A centering pin in an oblong hole pre-centers the valve coupling, easing assembly while reducing friction and preserving sealing tightness.

Non-perpendicular arm apertures and tailored lightening holes help a clevis carry tie rod axial forces with less weight and better material use.

A HNBR-EPDM rubber blend helps a CV joint boot keep cold flexibility, oil resistance, and ozone durability under severe conditions.

Ball-head centering and a damped tubular middle section let this coupling absorb vibration and offset without imbalance or load peaks at high speed.

A flexible boot and shaping can let a sealed CV joint absorb pressure without ballooning, reducing contamination and rupture at high angles.

A meandering bridge between closed clamping slots raises axial shear stiffness in steering joint yokes, reducing twist under load.

Curved race groove sections cut cage force and friction in constant velocity joints, preserving torque transfer at large working angles.

Crowned and straight spline pairs with axial limiting reduce stress concentration, wear, cracking, and pitting in plunger pump connections.

A high-performance plastic bushing insulates rail vehicle shafts while limiting overload torque and reducing coupling maintenance.

Dual rotor coupling adapters with crush ribs and ultrasonic welding create a redundant lash-free steering connection that resists wear and backlash.

Flexible fixing elements let the friction washer move axially without angular play, reducing wear and impact in clutch disc torsion dampers.

Two spaced contact points in the roller inner ring spread torque more evenly, reducing edge loads and extending tripod joint service life.

Inclined arms and beams in a one-piece torque coupling transmit torque in less space while compensating shaft misalignment, friction, and noise.

Separate metal inserts molded into one elastomer element simplify shaft coupling production while maintaining stable rotation and damping.

Flattened bolt limbs, conical regions, and lubricant pockets cut friction, splash, and compression losses in angular gear torque transmission.

A diurea-thickened CV joint grease balances friction reduction, initial conformability, and high-temperature durability to cut vibration and noise.

A spring-loaded fork passively secures a catheter handle, cutting locking time while maintaining stable position and orientation during procedures.

Resilient coupling flanges and bearings absorb misalignment and spread loads in wind turbine torque joints, reducing deformation and parasitic loads.

Pre-set shaft misalignment lets gearbox axes move into alignment under torque, cutting parasitic forces, wear, weight, and maintenance.

A vent hole and spatter groove enable medium-vacuum electron beam welding while preserving weld length and keeping spatter out of the cup section.

Integrated rotation sensing lets a leaf-spring robot joint compensate shifting pivot errors and deliver accurate, low-wear arm positioning.

An overrunning clutch and torsional dampener decouple the bit during slip and soften re-engagement impacts to protect drilling tools.

A sliding coupling and one-sided worm-shaft support enable self-centering power split, high torque, low friction, and zero axial play.

Ball-and-socket interference surfaces transfer torque while the floating shaft pivots and shifts axially to handle angular, lateral, and axial misalignment.

Multiple ball arrays at different journal positions cut internal friction in a compact tripod CV joint, improving NVH and operating stability.

A separate splined stub shaft lets the CVJ outer race stay smaller, easing wheel-end manufacturing while maintaining reliable torque transfer.

A modular adapter adds an intermediate flange to keep geared motors compact while integrating sealing, freewheeling, and stable bearing support.

A friction ring and compression ring transfer torque in a compact wind turbine coupling while reducing slippage, over-dimensioning, and disassembly cost.

Elastic bodies and a coupling maintain smooth torque transfer between misaligned rotating members while suppressing backlash noise in worm gear drives.

A spherical head, retention cap, and tapered housing replace u-joints to hold screw angle and transmit torque more steadily.

An arc-plus-linear inner ring chamfer keeps ball contact continuous, reducing edge pressure, deformation, noise, and holder interference.

A corrugated composite coupling replaces heavy articulated joints to handle rotor misalignment while maintaining homokinetic torque transfer.

A rigid-elastomer seal structure uses an intermediate section and labyrinth sealing to improve fixation while reducing friction, wear, and noise.

Elastic elements and a center piece let this shaft coupling handle axial, radial, and angular misalignment in tight spaces with simpler assembly.

Flat-to-angled U-joint contact spreads torque over larger surfaces to cut wear, backlash, and failure in harsh drilling conditions.

A variable non-circular blade path maintains angle of attack, cuts gyroscopic resistance, and enables 3D thrust steering without extra control surfaces.

Tight PCD clearance and mutual-difference control in the center groove range improves ball motion, load balance, durability, and NVH.

Hydraulic springs and elastic bushings let a wind turbine coupling carry high axial loads while keeping high torsional stiffness and low cardanic rigidity.

A rolling self-aligning connector and axial shaft adjustment ease tractor steering assembly while reducing column-to-hydraulic unit misalignment.

Non-rotatable trunnions and a locking assembly stop bearing cap spinning and yoke ear spreading under high drivetrain torque.

Crossed flexible blades and cantilevered supports enable frictionless large-angle rotation with lower stress concentration and repeatable performance.

Linear cold rolling with a profile mandrel forms steering shaft grooves faster, cutting cycle time, friction, and material displacement.

Barrel-shaped rollers in matched shaft grooves transmit torque with rolling contact, cutting friction, backlash, and manufacturing complexity.

An elastic clutch claw with bent sections absorbs random-angle engagement shock, cuts friction noise, and avoids elastic attenuation.