Yielding Coupling TRIZ Cases

Offset cylindrical holes and interference pins join rotating shafts, eliminating the need for relative rotation during assembly.

Press-fit ball bearings in the spider eliminate backlash and lateral movement, reducing manufacturing complexity by standardizing trunnion sizes.

A selective torque transfer device uses a transverse slider and variable lever arm to manage rotational energy.

Resilient legs in a serpentine seal maintain contact during misalignment, preventing contamination ingress and dislodgement.

Raised projections on a connector deform hollow frame ends for tight engagement, eliminating welding and reducing labor costs.

A flexible drive coupling member transmits torque with minimal torsional deflection.

Tapered tubular sections enable axial buckling deformation to absorb collision energy while maintaining lightweight structural integrity.

Replacing standard nuts with anti-rotational bushings eliminates wrench clearance needs, allowing larger shaft diameters and higher torque density.

A flywheel assembly uses two elastic members in series to manage rotational vibrations between rotary components.

Fluid pressure regulation in a floating sub tool compensates for axial movements, reducing thread wear during drill string operations.

A generator coupling member uses segmented blocks within slots and housing openings to enable direct maintenance access.

Magnetic floating support maintains static-pressure air bearing clearance in a rotation transmitter, eliminating slide resistance from mechanical retainers.

Vacuum electron beam welding with an inner annular groove prevents air bubbles in outer joint members, eliminating burr removal steps.

Actuators apply pivoting forces to a tubular sleeve, maintaining borehole azimuth despite reactive torque.

Compound flexure stages in concentric segments maintain a fixed axis of rotation, eliminating the shifting axis common in traditional designs.

A keyed bore and keyway configuration engages a fastener assembly to resolve misalignment issues in steering column connections.

A metal elastic coupling uses wire cushions to absorb torque irregularities and tolerate misalignments without lubrication.

An asymmetric positioning mechanism aligns tripod protrusions with outer ring grooves, eliminating three-point support damage during assembly.

A rotatable connector device uses a plate-like elastic member with obliquely raised tongue sections to elastically support a rotation restriction body.

Segmented socket housing with a larger insertion region allows pre-assembly, resolving misalignment risks during final ball head installation.

Segmenting the connector into halves accommodates different rail sizes, eliminating the need for specialized parts.

Zinc oxide and molybdenum dithiocarbamate additives in grease prevent flaking from high contact pressure in miniaturized constant velocity joints.

A tapered rotor pocket lifts the active leg to remove friction during retardation, allowing self-alignment at the lock position.

An eccentric hub torque coupling converts rider weight into driving torque via lever arms and springs.

Inclined joint axes shift the transfer function period from 180° to 360°, eliminating torque fluctuations in steering columns.

Varying thickness along the radial extension reduces weight while maintaining torque transmission and minimizing resonance.

Distinct contact surfaces on a clutch bellows enable coaxial alignment while protecting welded joints from axial stress.

Roller bearings mount claw rings on a bearing sleeve, protecting elastomer elements from shear stress during overload events.

A constant velocity joint boot assembly uses a cantilevered planar portion to stabilize the protective covering.

Integrated bevel gear with axial through-hole delivers oil directly to spline interfaces, resolving inadequate lubrication while reducing component weight.

Sliding the cage differentially controls engagement zones on cam surfaces, preventing drag torque during idle running while maintaining reliable locking.

Super finished spherical surfaces and thrust plates reduce wear on ball gear joints in progressing cavity pumps.

An oblique return path guides lubricant back to the gear chamber, preventing discharge during vehicle inclination and maintaining coupling cooling.

An isolator decoupler uses an independently movable annular spring support member to radially constrain torsion spring ends.

Segmented transmission uses a flexure to isolate axial forces from torsional load cells, preventing cross-talk during orthopedic wear testing.

A cushioned stop absorbs rotational energy within a variable camshaft timing device planetary gear assembly.

A decoupling apparatus connects a hydraulic motor to a transmission using meshed metal disks and an elastomer layer.

A clamping assembly uses a reciprocating plunger and bearing to compress components together.

An articulated DOVER mechanism resolves lift dissymmetry by angling the rotor disk, reducing retreating blade stall and enabling higher flight speeds.

Elastic engagement elements prevent edge-to-edge contact and grating during meshing, reducing vibrations and drag losses in motor vehicle drive trains.

A seat adjustment mechanism uses concentric rings and pivoting spring carriers to transmit torque through double clamping ramps.

Relocating the damper assembly axially inside the transmission near clutch elements improves noise isolation while maintaining direct torque transfer.

Spherical trunnion surfaces with lubricant grooves eliminate shudder and axial forces in tripod constant velocity joints.

Segmented coupling halves eliminate swiveling and lubrication needs while torsional flexibility protects the gearbox from torque spikes.

Flanges engage with grooves on a torque disc to prevent delamination from excessive bending moments.

Matching the rotor guide and rotor thermal expansion coefficients maintains interference fit reliability while minimizing magnetic field leakage.

Three angled arms connected by smooth bends compensate multi-directional displacements while maintaining torque transmission efficiency.

A vane rotor valve timing adjuster uses a check valve to direct fluid flow and maintain stable positioning.

Rotary link assembly with a translating shaft and ball joints decouples the aircraft door from the frame.