Yielding Coupling TRIZ Cases

An axially movable backing plate sets precise clutch clearance, improving torque transfer and smoothing lockup shifts in torque converters.

A separate external clamp keeps the hollow torque shaft and yoke coaxial, reducing whirling, abnormal noise, and thermal misalignment.

An angled outlet flange lets the stator housing swivel for maintenance without pipe disconnection, reducing leakage risk and downtime.

A rigid body with an elastomer seal and tool recess keeps pulley bearings clean while allowing repeated installation and removal without damage.

Coupled actuating elements let an angled endoscopic tool tip move freely while keeping jaw position stable and rotation precise.

A toothed press-fit shaft connection transmits torque reliably, then allows controlled axial displacement under crash loads to limit buckling and intrusion.

Nested shaft sections with grooves and serrations increase steering shaft collapse distance to absorb impact energy and simplify assembly.

Threaded and conical coupling surfaces lock the rotor to the pulse unit, preventing play and simplifying pulse unit service.

A freely articulating joint transmits torque to subsea tooling while isolating bending moments that can damage the work string.

An elastic intermediate joint buffers spline backlash in electric power steering, suppressing reverse-rotation noise and misalignment impact.

A bonded outer-surface fastening joins the lamella without bores, improving clutch compactness, strength, and service life.

An axially compressible driveshaft disengages torque transfer so a wing assembly can rotate into a compact stowed position for storage and maintenance.

Asymmetric tooth crowning raises flexible gear coupling inclination tolerance, supporting softer springs and bogie steering without losing torque transmission.

Asymmetric tooth crowning raises allowable inclination in railcar flexible gear couplings, supporting steering bogies and ride-quality tuning.

A dual hollow-cylinder clutch uses a low-dielectric insulating sleeve and knurled interfaces to block electrical contact without trapping heat.

Low-friction caps on Oldham coupling keys reduce wear and preserve lubricant performance in scroll compressors using refrigerants.

A drive-over frame with shared PTO coupling enables quick switching between mid-mounted and front PTO implements without draft or loader interference.

Coaxial hollow reduction gears on both sides of a hollow motor boost torque in tight radial space while allowing rotational alignment adjustment.

A conical cage inner contact surface improves ball encapsulation in a plunging CV joint, supporting higher torque and longer fatigue life.

Split wedge pack ring segments with radial screw joints simplify coupling repair and cut disassembly time during maintenance.

A spring-loaded pin and external actuator lock shaft ends securely while enabling tool-free release for faster transmission repair.

An arced outer-race bearing and diaphragm assembly transmit torque while absorbing shaft angular misalignment and thermal expansion.

Inclining opposing track grooves 8°-16° keeps wedge angles positive, stabilizing the cage and reducing torque loss and heat.

A spring-return locking pin and slider let coupled shafts be locked or released by hand, even when jammed parts make tool access difficult.

Chamfered lever fulcrum edges reduce stress concentration in CV joint boot bands, improving breaking strength and lowering manufacturing cost.

An elastic single-joint coupling isolates parasitic forces in wind turbine drive trains while maintaining torque transfer and bearing reliability.

Elastic members and circumferential spline gaps suppress steering reversal noise while maintaining torque transmission in electric power steering.

A dual-wax thermoplastic polyester elastomer composition cuts CV joint boot squeak for longer without making the boot too slippery to mount.

A clearance-fit spline accommodates shaft misalignment in a twin countershaft transmission, reducing eccentric bearing loads and wear.

Offset recesses create assembly apertures, letting a composite diaphragm coupling fit short axial spaces while preserving stiffness and displacement compensation.

Axially spaced ring seals retain a concentric quill shaft, contain lubricant, and reduce vibration in aircraft engine accessory drives.

A shear ring and retainer in a splined coupling improve torque transfer while limiting axial movement under wing-bending loads.

An embedded stopper in a recessed outer joint member prevents ball drop at large angles while avoiding longer shafts, extra weight, and added cost.

A wear-resistant reinforcer between the bushing and cylinder protrusions disperses friction, cuts vibration, and extends damper life.

A two-diameter torsion spring progressively clamps the wrap spring to raise torque capacity, cut belt chirp, and protect against overtorque.

Joint deformation of a smooth tube and sleeve forms circumferential torque-locking features, cutting machining steps in steering shaft production.

Barrel-shaped roller bearings in curved flange and member grooves transmit torque with less friction, lower backlash, and better misalignment tolerance.

An elastic damper between the drive gear shaft and handle cuts gear-meshing vibration while preserving reliable rotation under load.

A flexible shaft nested inside the rotor hub connects the engine core to the gearbox, cutting packaging while improving torque response and overspeed sensing.

Parallel plate segments replace helical coils to deliver linear bi-directional torque with high rigidity, low weight, and no coil contact.

Noncircular fastening bores and positive-locking elements spread plate-pack loads, reducing fatigue while increasing torque and misalignment tolerance.

Radially aligned trapezoidal face-gear teeth spread torque more evenly in shaft couplings, reducing local flange loads and crack risk.

Integrated restraining elements stop fastener rotation, easing torque disc installation and removal in confined spaces while reducing tool slippage risk.