Nuts TRIZ Cases

A composite fastener uses a hard shaft and soft sealing section to join components securely.

Injecting polymer into the cap cavity creates a composite structure that resists shipping damage while allowing thinner, lower-cost metal caps.

Elastic locking member prevents unintentional rotation of the adjusting mechanism, ensuring stable clamping force against road vibrations.

Segmented insert bodies with removable trays enable nut replacement without replacing the entire enclosure, reducing inventory costs.

A hollow-core post and fixing segment assembly with an inner screw hole enhances engagement strength in rugged notebook casings.

An elastic holding section in the nut maintains radial force to prevent bolt displacement and ensure precise positioning.

A fastening element with a non-circular outer contour rivets into pre-existing holes to secure components against pull-out and twisting forces.

Reduced diameter ends create friction for easy installation and removal, eliminating notches that weaken the wire structure.

A rotary knob fastening device uses a spring-loaded pin mechanism to engage position-limiting grooves for secure locking.

Optimized thread pitch and fiber length in a fiber reinforced resin screw resolve the trade-off between chemical resistance and structural integrity.

An extractable insert with a form-fitting flange connects components without damaging partition walls, preserving crash deformation behavior.

Radial ribs in the flange provide torque resistance while transverse grooves enable frangible wire interconnection without precise alignment.

Insulating members sandwich the bracket to block heat conduction and lightning currents while accommodating thermal expansion.

Central elevation prevents screw tilting by separating head contact from actuation, ensuring reliable feed.

Multi-axis receptacles enable versatile C-profile rail mounting, resolving the trade-off between adaptability and device complexity.

Segmenting the screw and sleeve resolves the trade-off between thread hardness and fixation, allowing direct anchorage in hard materials without dowels.

Enlarged rivet head bearing surface reduces surface pressure peaks in high-load connections.

Non-symmetric locking plates align with shaft grooves to prevent unscrewing while maintaining grip strength across various positions.

An elastically deformable member drives an indicator bar that displays applied force, eliminating torque wrench requirements.

Indexing pins align structural openings via tapered surfaces and flanges, eliminating weight-increasing fastener sleeves.

Elastic protrusions on the lock nut generate friction to prevent loosening while maintaining reusability.

Segmented threaded projections distribute loads uniformly across the substrate, minimizing transverse forces and preventing crack formation in concrete.

A preformed injection-molded isolation pad accommodates both clamp-on and guide-on cable trays without user reconfiguration.

Conductive adhesive bonds threaded screw bosses to dimpled substrates, resolving dissimilar metal corrosion while ensuring reliable electrical grounding.

Protrusions on the standoff end fit into corresponding openings to prevent rotation and ensure proper tightening without tool access.

A helical thread insert uses a continuously curved surface at the coil end to maintain constant contact diameter.

A self-attaching fastener uses a polyhedral head and central pilot portion to align with panel apertures.

A mounting device uses a stop structure to fix threaded structure positions between legs and head plates.

Elastic projections on the fastener magazine strip fold into recesses to eliminate guide grooves and prevent obstruction.

Elastic adhesive bonding joins pivoting clamping jaws to a sleeve, allowing quick assembly onto threaded rods without complex spreading mechanisms.

A cage nut assembly uses upwardly extending arms forming C-shaped heads to capture nuts flush within a base.

Sheet metal strips support blind rivet nuts against oversized partition bores, enabling cost-effective manufacturing without loosening under dynamic loads.

Conical trapezoidal threads generate wedge friction to prevent unthreading under shock loads.

A double-sectioned anchor device secures structures to thin-walled surfaces using a deformable sleeve and upper head member.

A blunt-edged screw compresses thermoplastic foam tubes to create a secure friction fit connection.

Securing projections engage recesses to prevent nut unscrewing from vibrations, reducing noise and simplifying maintenance.

A prosthetic pyramid mechanism enables rotational freedom through integrated structural engagement.

A self-piercing press-in element uses a displacement ridge to press sheet metal into an undercut for secure fastening.

Press-fit ribs and corner contact parts prevent scrap resin shavings from interfering with nut fixation.

A fitting cap on the suspension bolt prevents hook disengagement by restricting rotation, solving fastening reliability issues under vehicle vibration.

A retainer device with adjustable housing and support members positions threaded nuts in component bores.

A rivetless nut plate uses a noncircular cross-section to prevent rotation through geometric interference.

Bending a tab from radial to axial position increases contact surface area, preventing thin-walled disc-shaped elements from tearing out.

Segmentation separates low-force bolt attachment from high-torque transmission, enabling easy dismantling and reuse of the inner component.

Elastic spring elements exert lateral force on fixing plate slits, preventing panel rotation and adapting to varying thicknesses.

Segmented sleeve inserts with bonding layers absorb tightening torques and compensate tolerances in SMC plates.

A slidable clip with resilient hooks snaps onto vehicle studs to secure roof rail trim without penetrating the panel.

A retained nut assembly uses a resilient insert to hold an internally threaded nut in a predetermined position within vehicle panels.

A one-piece self-locking nut uses crush-locking lips that deform into an internal relief cut to secure a fastener bolt.

Plastic overmolding inside hollow bolt prevents thread deterioration during tightening while maintaining variable distance.