Nuts TRIZ Cases

A segmented lock nut assembly uses elastic coupling to align and secure threaded members during installation.

Asymmetric non-cylindrical fasteners prevent bracket rotation with a single unit, reducing manufacturing costs and stress concentrations.

Segmented wire helix designs reduce material penetration during casting while simplifying assembly of battery electrodes.

Radial fins on the plug body engage cavity walls to prevent debris accumulation, enabling easy removal without protruding surfaces that risk damage.

A fastening device uses a capping nut and threaded projection to secure components while maintaining a watertight seal.

A projection welding bolt uses a tapered fusion bonding projection to concentrate heat and secure junctions.

Plastic deformation of the anchor member accommodates irregular hole sizes, reducing installation time and costs while maintaining secure attachment.

Left-handed cutting threads reduce installation torque while chip relief apertures prevent metal binding, allowing harder materials for easier maintenance.

Elastic steel plates deform to accommodate vibration, preventing loosening without chemical locking agents.

Local tip quenching forms a martensitic structure on the screw tip while maintaining a bainitic shaft to prevent hydrogen embrittlement.

Sealed screw boss drill holes prevent foam penetration during injection molding, eliminating separate clips and reducing assembly time.

A self-tapping thread repair insert uses a notched cutting edge to form threads during installation.

Segmented threading increases holding strength while reducing drywall blistering during installation.

A hollow adjustment element with deformed internal threads generates high friction torque to scrape non-conductive coatings during gap compensation.

A screw post with a triangular hollow body and axial ribs manages chip accumulation through internal angular spaces.

Arcuate protrusion cuts groove into component surface to withstand high transverse forces without damaging metal stud coating.

A rivet collar anchors a functional element to a flat material through plastic deformation of the collar within a pre-formed dome-like section.

A hollow cylindrical screw part uses thread recesses to manage polymer shrinkage during radial injection molding.

A threaded connecting member features a through-hole radiating passage that enables gas circulation between connector spaces.

Elastic walls and cavities distribute torque loads to prevent material failure in aircraft panels.

An asymmetric sleeve interface retains inner segments for stable storage while minimizing galling and tolerance sensitivity.

Circular wedges engage profiles to detect clamping end position, ensuring reliable securing against loosening.

Dual plastic sections resolve the trade-off between flexibility and structural integrity while eliminating manual assembly steps.

A crimping element features a mobile nut and helical insert to enable axial and radial displacement.

A single-shell microencapsulation process suspends reactive blowing agents within a protective secondary core material before final polymerization.

A stainless steel shank with a hardened coil thread engages concrete bores.

Rounded grooves allow viscous composite material to fully fill void areas, ensuring high strength retention and complete consolidation.

A mechanical pressing method fastens tube-shaped spacers to vehicle pedal assemblies by deforming sheet metal into the spacer hole.

A joint element with a locking section deforms into a non-circular opening to anchor securely against rotation.

A fastener design uses a rotation limiter and housing to secure a PCI riser cage without tools.

Segmenting the locking function into a dedicated staked washer prevents tie bolt rotation while maintaining constant compression load without adding weight.

Thermal contraction reduces fastener diameter for insertion, restoring structural integrity while preventing delamination spread during aircraft rework.

Bolting moment bracing arrangement secures milling drum axially through drive configuration rotation.

Axial notches in the nut thread displace material to generate holding torque without requiring full screw insertion.

Segmented clamping ring halves join around an existing piston rod to eliminate downtime during retrofitting of adjustable stop assemblies.

Nested outer and inner struts with a tongue reduce material usage while maintaining high pull-out strength.

Arc groove slide plates transmit vertical driving torque to assist links, eliminating heavy control levers and reducing actuator weight.

A distributor and mounting aid align multiple cable lugs on a retaining screw for simplified vehicle assembly.

A torsionally rigid support element connects to a locking nut, providing visual confirmation of the clamping position without complex verification mechanisms.

An adjustable adaptor plate mediates between misaligned anchor bolts and base plates, eliminating foundation demolition costs.

Compressing a spiral structure creates a washer-like support that resists lateral forces without damaging walls.

Curved rack housing coupling portions seat on nut member support surfaces to compensate for manufacturing deviations and prevent steering noise.

Segmented flange prongs self-embed into tapered holes to eliminate riveting complexity while preventing fastener rotation across varying material thicknesses.

Interconnected sliding and threaded passages in the securing nut reduce nut revolutions required for tightening.

An integrated rubber petticoat bonded to a wound epoxy glass fiber tube improves weather resistance while reducing weight compared to traditional porcelain.

Segmented thread-forming nut accommodates coating deposits in incomplete sections to prevent seizing while maintaining load-bearing capacity.

A noncircular bolt with threaded ends secures nested profiled components without welding.

Segmented nut pieces twist onto flattened rod sides to enable tool-free assembly while maintaining reliable thread engagement under dynamic loads.

Segmented bulwark brackets with radial walls enhance structural strength while reducing weight compared to traditional reinforcements.

Circumferential grooves with conical sidewalls eliminate air pockets and leaks during injection molding, ensuring secure anchoring.