Nuts TRIZ Cases

Cantilever lock blocks on a nut seat engage a bolt via a slide block, eliminating rotational access constraints under countertops.

A clip with elastic claw portions deforms to fit various hole shapes and returns to engage securely.

Segmented retaining device with outer flats fits through oblong holes to secure screws without modifying existing threaded components.

Thickened areas in the clamping ring balance mass moment of inertia while maintaining high connection torque.

Selective thickening reinforces anchor rails to improve stability while reducing material consumption in concrete.

Segmented repair tool extracts fractured bolts via guide bore, eliminating cylinder head removal.

A projecting shoulder on a vehicle trim base part supports an attachment component during clamping.

A low-alloy steel composition eliminates nickel to reduce costs while maintaining high tensile strength and toughness.

A reusable quick nut uses elastic tabs to adapt to varying panel thicknesses.

Segmented resin caps engage fasteners to maintain insulation gaps, reducing installation labor and manufacturing costs.

Circumferential cutters on the screw underside enable efficient countersinking while radial pockets receive material to prevent loosening in fibrous substrates.

A fastening element with alternating structural and free shaft sections enables rapid bayonet insertion into a receptacle.

Segmented fasteners enable remote pipe clamp operation without manual disengagement, reducing excavation size and maintenance costs.

Projections on a rotating tool trim excess sealant from fastener caps, eliminating manual smoothing steps and reducing production time.

Circular local force presses sheet metal into fastener undercuts, eliminating heavy press requirements.

A coaxial locking ring uses radially segmented detents to distribute unlocking forces symmetrically across multiple contact points.

A threaded connecting mechanism with a turning formation adjusts pole position during installation.

A clinch nut uses induction hardening to create distinct hardness zones, enabling secure fastening with high-strength steel members.

Segmented locking plates enable bidirectional disassembly in tight spaces by flexing the centre section to release torque.

Right trapezoidal conical thread profile generates radial compression force to prevent unthreading under shock loads.

A threaded rod locking device uses spring-biased plunger pieces within a tapered bore to automatically engage external threads upon insertion.

Segmented leg plates joined by a center tie increase contact area and bending resistance for high pull-out forces.

An intermediary frame distributes clamping forces away from the bore, preventing deformation while securing the trunnion.

Deformation sections on the shank create clamping force to stiffen spaced sections, reducing production effort and eliminating separate screw connections.

A threaded fastener features a thread with an apex angle that gradually reduces from a first to a second value along its length.

Cold-formed C-shaped steel profile with integrated nails reduces energy consumption during production while maintaining anchoring strength under dynamic loads.

Angular nut phase switching allows rapid translation and fine positioning, reducing seat adjustment time.

An overmolded unidirectional fiber band reinforces a plastic mounting element, replacing heavy steel girders and complex welding processes.

A nutmount apparatus secures structural members using a sleeve and bushing interference fit.

A hydraulic bolt tensioning cylinder applies axial force to a screw with a reduced shank diameter and extended threaded section.

Segmented elastic legs provide lever arm length to reduce press force, resolving the trade-off between panel adaptability and ease of operation.

Segmented intermittent threads resolve the trade-off between load-bearing strength and assembly speed by enabling step-wise axial movement.

Integrated immobilizing members prevent fastener rotation, eliminating manual stabilization needs and reducing assembly time.

An oblique through hole in the nut guides axial alignment of a wire bobbin, eliminating eccentric rotation and reducing manual tightening time.

A rivet nut unit bonds plates via a deformed insertion portion and threaded head.

Spring tension seals countersunk holes around plate dowels, preventing dust dispersal and eliminating separate collection devices.

Integral wings form a T-shaped profile that restricts transverse movement in channel framing tracks.

A clamp device anchors a cross member to a support post using a spring biasing mechanism.

A threaded bushing with a flange secures composite materials to metals using an internal bolt interface.

A fastener body with a D-shaped extender positions the component on a chassis to prevent rotation during assembly.

Removable blocker fits fastener recess to prevent solder paste intrusion, ensuring reliable screw tightening on printed circuit boards.

A plug assembly uses a collar and fastener to seal an aperture without requiring access to the rear side of the body.

Main and auxiliary threads on a two-line screw adapt to different materials, reducing deformation and assembly torque.

Eccentric ring elevation creates form-fitting connection with sheet metal, increasing torque load capacity for harder materials.

A threaded plastic plug uses a variable wall thickness head to withstand intense tightening torque without permanent deformation.

Triple-start threads with optimized flank angles prevent tilting during screwing, reducing torque and preventing workpiece damage.

Segmented tie rod isolates torque to prevent deformation while maintaining alignment precision.

Composite plate screw component aligns fitting parts with holes via interference fit to secure axial tension.

A self-piercing nut element with a peripheral groove and piercing edge deforms sheet metal to create a secure mechanical interlock.