Yielding Coupling TRIZ Cases

A torsion spring biases rotational members in an automatic take-up coupler to wind tension rods, compensating for wood shrinkage without manual adjustment.

Curved blade joints in composite fittings distribute tensile and compression forces, resolving resin weakness during folding.

A concentric joint mechanism uses a flexible spherical body driven by friction wheels to enable multi-degree-of-freedom motion.

A drive transmission device uses inclined engagement members and a compression torsion spring to transmit power while rotating.

Asymmetric lock pins prevent fluid communication between advance and retard chambers while maintaining phase angle authority during automatic stop mode.

Elastic bending beams deform radially within the hub bore to compensate for large manufacturing tolerances, reducing wobbling and noise.

A drive transmission mechanism uses a one-way clutch to transmit rotational force while allowing axial roller shifting.

Rotating trapezoid segments in a swivel hook tie down eliminate strap twisting during fastening operations.

Spacing limitation device extends through spring element to capture sliding shoes, reducing wear and simplifying assembly.

Concave yoke segments create axial clearance for socket wrench insertion, resolving bolt circle diameter reduction conflicts.

Curved guiding pathways in the deflecting device anchor ball bearings to resolve misalignment and ensure smooth movement through complex passages.

A propeller shaft locking device decouples interior and exterior hubs during impact to reduce structural resistance.

A C-retaining ring with a slanted guiding face engages the polygonal sphere, resolving assembly complexity while ensuring secure retention.

Spherical trunnions with cylindrical protrusions in a tripod constant velocity joint minimize shudder and rolling resistance by optimizing lubrication gaps.

Merging the constant velocity joint into the tubular pinion shaft reduces assembly weight and length while maintaining efficient torque distribution.

Segmented inner seal prevents lubricant migration into CV joint boots, reducing tearing risk at high rotational speeds.

Asymmetrical isolator surfaces counteract thrust loads generated by draft angles, eliminating expensive thrust bearings and reducing compression set.

An elastomeric coupler connects drill steel components to absorb mechanical energy and dampen vibrations in mining equipment.

An axial torsion spring arrangement reduces the overall device diameter by allowing a larger spring rate without increasing the pulley size.

Non-circular groove radii reduce elliptical contact areas, lowering friction and shudder vibrations in tripod joints.

Segmented steering shafts disconnect during linear driving and engage via rubber isolators to block harmful vibrations from the wheel steering mechanism.

Deflectable bushing fingers clamp bolts to eliminate clearance gaps and prevent relative movement between connected parts.

Carrier pins compress springs into a preloaded orientation within a spring retainer, eliminating manual labor and enabling automated assembly.

A universal joint assembly tool uses a displaceable prevention section to block bolt insertion when the shaft is misaligned.

A one-piece tubular traction rod with wall thickening at the ends enhances fatigue strength and load-bearing capacity.

A clutchless synchronous condensing coupling joins turbine and generator shafts to enable active and reactive power modes.

Merges joint and hub components to eliminate spline backlash, reduce weight, and lower manufacturing costs.

Segmented pin guide members with detachable inner ends and fixed outer supports eliminate press fitting and welding, reducing assembly complexity.

Segmented center member and adapter access holes allow tool insertion to compress disc packs in tight shaft spacing.

A wheel disconnect clutch uses a drive ring and actuator ring to slide a clutch sleeve between engaged and disengaged positions.

A tripod constant velocity universal joint journal bottom part features a radius of curvature that gradually decreases from radial to axial directions.

A valve timing controller uses a radial stopper and interposing assembler to regulate relative rotational phase shifts between rotary gear elements.

A vehicle seat pivoting assembly uses a hinge mechanism to rotate the seating portion about a vertical axis.

A dual-load path torquemeter uses engaging pins to transfer excess torque through a secondary rim structure.

A connecting device uses a helical internal thread in the joint yoke and axial teeth on the shank to form a robust mechanical engagement.

A helical spline connects the wheel mounting bracket to the half shaft.

Ribbed plates improve handling characteristics by distributing compressive forces, reducing manufacturing costs compared to rigid designs.

Angular contact tripod constant velocity joint distributes stress across discrete roller points, reducing torsional fatigue in compact designs.

An asymmetric planar spring design maintains linear torque-angle relationships, resolving measurement precision issues in robotics.

A spring-driven attachment assist device guides sheet trays into image forming apparatuses using a velocity-dependent damper.

A shape memory spring actuates centrifugal weights to eliminate tapered cam friction and reduce timer size.

A sealed joint assembly uses an annular bead and groove to secure the inner collar against centrifugal forces.

Injection molding merges bearing shells and optics carriers into a single unit, eliminating complex assembly steps.

Self-latching elastic elements lock tubular guards onto shaft journals, eliminating complex manual clamping mechanisms.

Smaller recess diameters create radial clearance that accommodates shaft misalignment, reducing wear and noise during rotation.