Yielding Coupling TRIZ Cases

Elastic flexures and a diaphragm replace bearing-based universal joints to deliver precise two-axis mirror motion without wear or lubrication.

Knurled hollow cylinders and an insulating insert break drive-to-output electrical contact while preserving torque transfer and heat dissipation.

A friction-clamped tensioning element limits peak actuating force while maintaining clutch contact and compensating lining wear.

A magnetic spherical driver and pinned receiving cavity deliver adjustable angular torque transfer for fasteners in compact, hard-to-reach spaces.

An access-window retaining ring lets a plug-on CV joint handle high thrust loads while remaining serviceable without heavy prying tools.

A nominal spline plus emergency spline and radial guide keep torque transmission working after shaft rupture or bearing failure.

A metallic intervening member joins an FRP shaft to a constant velocity joint, improving torsional and fatigue strength without fiber damage.

Rotational-force actuation merges the joint and clutch into a lighter, more compact vehicle assembly with fewer parts and reliable torque transfer.

A CV joint with adjacent outer-race collapse features lets the cage deform inward so shafts telescope under impact and absorb crash forces.

Alternating larger and smaller groove pinch angles maintain ball pressing force across joint angles, reducing noise and delayed cage pivoting.

Axial teeth and a nested connecting assembly enable blind torque converter attachment to an electric machine with secure alignment and power transfer.

Elastic connecting elements and a blocking feature let this rotary coupling handle misalignment while preventing disassembly and reducing vibration.

An axial stake engages outer-shaft fine teeth to prevent pull-apart while avoiding interference that raises steering shaft drag and stroke effort.

Different spring-claw and toothing pitches let a print bar coupling fit many angular positions while minimizing play and transmitting torque reliably.

Partial circumferential grooves let aerospace drive shafts flex under misalignment while limiting stress concentrations and preserving strength.

A spring-biased holder secures a transcatheter handle without active locking, enabling quick adjustment and stable positioning during valve procedures.

A removable clip limits steering shaft rotation to prevent over-articulation damage before vehicle installation and handling.

A spring-biased splined coupling keeps shafts aligned during axial movement and angular misalignment, reducing stress, fatigue, and wear.

A corrugated elastic joint transmits helicopter rotor torque while allowing shaft inclination, reducing articulated parts, weight, and load-path complexity.

A quill shaft, locking flange, and radial limiter split axial load and misalignment paths to improve coupling reliability and maintenance intervals.

Separate composite diaphragms and a tubular shaft use mechanical joints and undulations to handle high torque while cutting weight.

A rubber diaphragm and wide filter surface keep cardan shaft air flow bi-directional while blocking dust and water ingress.

A flexible shaft and radial coupling absorb torque variation, improve overspeed detection, and cut gearbox packaging in turbine engines.

Removable input-to-layshaft gears let one inline gearbox be retuned for different torque and speed needs without changing the primary gear train.

An incomplete annular groove is turned together with the machining face, cutting extra steps and deburring while improving oil flinging and leak detection.

An axially supported pin widens the claw clutch clamping area for easier screw loosening, even under corrosion, while preserving torque.

Cylindrical rollers and flat-sided guiding grooves create pure rolling contact, cutting slip resistance and axial force at larger joint angles.

An integrated bearing cup with frusto-conical trunnions and seals carries joint loads with fewer parts, reducing friction, weight, and wear.

Angled seat contact surfaces cancel outward force in a rotary damper, cutting hysteresis torque and preserving vibration attenuation.

Nested ring and planet gearing delivers 2.5:1 to 150:1 reduction in a compact reducer while maintaining torque capacity and efficiency.

An integral cord support with linked redirecting portions simplifies elastic joint disk production, stabilizes pre-tensioned cords, and cuts elastomer use.

Multiple EMF-formed lands join a torque tube to its fitting, spreading bending stress and avoiding cracks and heat-affected zones.

A quick-disconnect pinion shaft lets one top drive motor disengage while gearbox oil lubricates the coupling, reducing leakage and downtime.

A middle planet ring gear with prismatic joints delivers high reduction ratios in a compact reducer while lowering weight, complexity, and vibration.

Offset and segmented track grooves extend effective track length at high joint angles while limiting torque loss and heat generation.

A rigid frustoconical shaft cover drains penetrating water before it reaches the transfer gearbox, avoiding complex seals and shaft friction.

Grooved insulating members and an annular cage block shaft currents while allowing detachable, high-torque transfer in wind turbines.

A stub shaft with added bearings and a torsional coupler stabilizes counter-rotating propeller gear meshes and absorbs shock in the gearcase.

A two-axis wrist with linked tension members and coupling joints preserves torque transmission in compact minimally invasive surgical tools.

A stamped flexplate uses direct-contact joining, press fitting, and welding to cut assembly cost and improve torque transfer.

An enlarged joint opening enables coaxial cage insertion, cutting outer-member axial length and weight without sacrificing load capacity.

A prolonged trochoid dog contour improves shaft-hub torque transfer, avoids intermediate elements, and simplifies precise manufacturing.

Layered ring lamella segments joined by sleeves raise torque transmission while keeping multi-plate couplings compact and cost-effective.

A pivoting removable coupling gives a toilet auger drop head wider motion to clear tight toilet and urinal passages without sticking.

Integrating the spherical head and pin removes precise mating steps, reduces wear, and enables a larger rotation angle in the socket joint.

A non-conductive torque transfer assembly keeps metal ends 0.400 in apart, enabling high-torque fastening near energized components.

A quick-disconnect pinion shaft lets one top drive motor decouple inside the main gear oil compartment, reducing leakage and gearbox overheating.

Discrete flange-coupler orientations let marine driveshaft timing and preload be set faster while reducing backlash and adjustment complexity.

Multiple ball bearings between spherical joint surfaces cut friction, improve axial and torsional load absorption, and simplify lubrication.

Parabolic grooves in a CV joint boot distribute fastening forces evenly to prevent connector cracking and maintain a durable seal.