Nuts TRIZ Cases

Segmentation of the captivator into separable body and retainer components reduces inventory costs while maintaining structural integrity for field repairs.

Axial collapse of the tubular barrel against a planar die eliminates lubrication needs and prevents cracking, reducing manufacturing costs.

A locking structure uses a chamber and slot to combine with workpiece material, increasing surface area for stronger assembly.

Asymmetric thread ridge and groove widths displace the pitch diameter, reducing internal screw tensile stress by 27% and preventing breakage.

Replacing adhesive tape with mechanical interlocks resolves detachment caused by temperature changes while maintaining structural rigidity.

Curved load flanks and optimized root radii reduce stress concentration at thread roots, preventing damage during loosening forces.

An L-shaped bolt with a stopping member prevents rotation during fastening.

A lug nut holder uses a cam guide to drive retractable fingers for secure fastener retention.

UV-curable thread coating replaces thermal curing, reducing processing time and energy consumption while ensuring reliable locking.

A threaded bushing uses a self-tapping external thread to form mating threads in a bore wall without cutting tools.

A segmented flexible seal fills counterbore and groove features in a threaded joint to maintain fluid containment under rotational movement.

A lock washer with ratchet teeth mates a pawl arm on a lock nut to fix rotation while allowing axial movement.

Segmented locking via a spring clip and pawl prevents nut loosening under vibration while maintaining predictable torque translation.

A locking bolt with a catenary skirt absorbs vibration energy to maintain fixing firmness.

Dual-pitch underhead threads press a profile sheet against the screw head to prevent bending and ensure symmetric support.

Axial compensating elements within a receiving sleeve adapt the inner diameter to eliminate play between the sleeve and varying bolt sizes.

A composite fastener assembly with a circular insulating cavity reduces weight and complexity while maintaining structural strength.

Segmented spacer caps seal rear wall apertures, preventing water ingress while enabling single-person installation of the enclosure.

Knockout pins push nut blanks between transfer fingers, preventing interference with the piercing punch that causes roughening or cracking.

An asymmetric anchor rod cross-section aligns the fastening disc automatically, preventing twisting during tightening in cramped spaces.

An eccentric adjustment bolt integrates head, neck, lobe, and threaded portions with distinct centerlines to enable precise camber angle positioning.

A riveting tool uses a central cavity dowel and biasing mechanism to install multiple fasteners simultaneously.

A device combines drilling and pressing functions to introduce press-in elements into workpieces.

Segmented fastening systems use asymmetric prisms to center add-on parts without complex vehicle preparation.

A fastener thread features a dented root side surface that elastically deforms to increase friction force between mating components.

A ring with locking fingers engages overlapping notches on a nut and male part to prevent rotation.

Angled guide plate holds tension clamp in pre-assembly and final positions for efficient automated installation.

Breakable links in a molded nut allow front-face assembly, eliminating complex rear cage placement and simplifying dismantling.

A threaded locking member secures a shaft bearing using convex-concave engagement.

Acrylic polyolefin sealants cure rapidly via UV and heat, reducing processing time while resisting automotive fluids.

Varying pitch diameter across threads distributes load evenly, preventing uneven stress concentration on conventional fasteners.

Elastic polyimide rings prevent titanium screw seizing and loosening while enabling multiple assembly cycles.

A checker nut integrates locking threads and an anchor body into one component to secure threaded rods.

Conical hexahedral tapping elements plasticly deform cold-deformable materials to create stress-resistant couplings without adhesives or dimensional checks.

Segmented frangible nuts expand radially to release secured components, reducing assembly complexity.

A tee-nut fastener positions a nylon locking ring distally within the bore to secure engagement with threaded studs.

A regulating valve locking member uses a bendable tongue portion to engage chamfered portions on the valve body cylindrical wall.

A resilient bow-shaped locking section compresses under tool pressure to allow tightening and automatically returns to a locked position.

A knurled insert nut with a specific flange-to-screw ratio prevents jack-up and loosening by balancing extraction forces against fastening stability.

A self-reinforcing clip uses cross-over members to engage contact surfaces and inhibit support member movement.

A pivot screw with a guide pin featuring a rotation-prevention zone prevents unwanted unscrewing of watch bracelet links during wear.

Flexible edge sections shift to align protrusions, preventing tension in thin-walled components during rivet fastening.

High-temperature nitrogen dissolution and inert gas cooling prevent carbide sensitization while maintaining core strength in cold-deformed passive alloys.

Non-circular fitting members engage a straddling component to prevent bolt loosening while simplifying manufacturing and mounting in narrow spaces.

High-speed impact cutting produces precise through holes in curved metallic bodies by generating an adiabatic state, eliminating extensive post-processing.

Reducing hardness to 38-39 HRC prevents cracking from hydrogen embrittlement while maintaining tensile strength.

Segmented apertures enable stud translation for easy disassembly, resolving high installation force and misalignment issues in automotive manufacturing.

Composite non-metallic fasteners embed metal inserts at stress points to resolve the trade-off between high strength and low weight in aircraft applications.

Orthogonal flanges and clips secure aircraft skin panels, eliminating stress risers in titanium structures.

One-piece cylindrical fishing rod butt assembly uses differing section diameters to secure a reel seat without rotation.