Nuts TRIZ Cases

Radial projections and spline teeth on a self-clinching fastener displace material into recesses, enhancing torque-out resistance without tight tolerances.

Integrating a resin cover over the bolt head conceals visible fasteners, resolving aesthetic defects while maintaining secure attachment.

A license plate fastener assembly uses a flared shoulder and rubber bumper to damp vibration.

A microcapsule curable resin composition uses mica and inorganic fillers to ensure uniform coating adhesion on threaded members.

Segmentation extracts the locking collar from the component into the fastener, eliminating key shear hazards and preventing thread damage during removal.

A marking element moves relative to a support element during axial adjustment of a fastening component.

Elastic deformation of the proximal portion accommodates varying panel thicknesses, eliminating multiple nut models and reducing inventory complexity.

A segmented screw fastening system uses a pre-assembled second element to secure motor vehicle components.

Expandable sleeve assembly with a rotatable eccentric rod aligns coupling bolt holes through mechanical rotation.

A trapezoidal threaded bolt engages a nut with a rounded thread groove to generate self-locking torque through material displacement.

A concentric threaded fastener uses a continuous conical surface to create self-centering engagement and secure mechanical locking.

A blind fastener adapter converts standard screws into one-sided fasteners using a tapered ring and spring mechanism.

A tolerance compensation sleeve uses multiple interlocking threads to distribute mechanical load across several engagement points.

Compressible sealing member creates high-pressure seal to prevent slurry leakage and maintain clamp loading on forged mill liner bolts.

Opposing helical threads in a cap engage cured filler to prevent loosening, eliminating special fasteners and reducing manufacturing costs.

Replacing welding with adhesive bonding prevents substrate damage during fastener hood repair.

Segmenting the fastener into a steel head and zinc fixing portion resolves the trade-off between manufacturing simplicity and connection strength.

Notched base plate holes engage deformed studs to resolve weak connection strength and anti-torque issues in electronic chassis assemblies.

Composite fasteners replace metal hardware in golf club heads, enabling precise weight redistribution for improved swing dynamics.

A compensator assembly uses a threaded extension member to secure vehicle frame components.

A plastic fastener with ribs and thread segments engages tubular boss columns via quarter-turn rotation.

Ceramic matrix composite cap covers metallic fastener head via deformed projection, reducing observability while maintaining structural integrity.

Rounded ribs on the shank displace sheet material plastically, eliminating chip formation and material loss during passage creation.

Water-based adhesive eliminates VOC emissions while encapsulated epoxy ensures strong bonding across substrates.

Deformable restrictions in the holding portion grip the component during insertion, eliminating high accuracy requirements.

Removable lug accessories adapt single wheels to multiple vehicle bolt patterns, eliminating the need for separate wheel sets across different car models.

Distance compensation insert converts screw rotation into axial extension, preventing torque damage to fiber-reinforced plastic surfaces.

Resilient inner shackles in the spring nut dynamically adjust to different stud diameters, ensuring reliable protection without precise length adjustments.

A helical elastic tubular element compresses axially to retain a fixation screw within an electrical cabinet panel.

Deformed internal thread teeth create parallel displacement to generate consistent braking torque, preventing unintentional loosening after repeated use.

Shear transfer via self-drilling screws creates a composite floor system that increases load capacity while reducing vertical deflection.

A rotating installation tool grips and spins pre-molded seal caps onto fasteners using a plunger-driven rifled shaft.

Angled leaf spring ends constrain clamping piece rotation to prevent twisting, ensuring reliable retention in undercut profile grooves.

Chromium-based coatings deposited via physical vapour deposition prevent seizure and corrosion in fasteners operating up to 800°C.

An asymmetric direction indicator on a threaded body surface enables visual and tactile identification of rotation direction.

Segmenting the nut body from a retractable handle resolves space and torque contradictions.

Protruding portions on both screw thread flanks prevent lens holder displacement caused by manufacturing variations and thermal expansion.

A two-part plastic round rod guide uses a rotating insert to adjust the receiving opening height for stud bolt mounting.

A battery spacer nut integrates dovetail pins and slots to join structural assemblies securely.

A screw with a truncated thread end and unthreaded shank section engages fastener assemblies.

A hybrid fastener combines a composite body with a locked metal sleeve to create a unified structural component.

Heat-expanded epoxy resin fills cavities between brackets and panels, resolving welding-induced cracking while improving assembly hardness.

Truncated-conical flange enables self-tapping fastener to cut threads without interior access.

A locking plate with projections engages outer pin slots and female fastener notches to prevent free spinning.

An integrated anchor with a premeasured adhesive capsule eliminates on-site measurement complexity while providing high bond strength in hollow surfaces.

Axial thread tooth deformation maintains braking torque and reusability after repeated screwing processes.

Relocating a lubricant groove to the sleeve prevents dry areas and seizing during disassembly.

Segmented half-nuts clamp around inaccessible bolts to reinforce existing towers without replacing structural supports.

Segmented fastening elements resolve the contradiction between enlarged contact surfaces and automated feed hose constraints.

Segmented bore with axial slot allows quick lateral placement and secure threading, reducing assembly time while maintaining attachment security.