Pins TRIZ Cases

A fastener integrates a U-shaped spring member within an axial aperture to secure the panel without external tooling.

A wedge-shaped aluminum enclosure protects internal components while maintaining a lightweight profile for portable computing devices.

Threaded screw and U-clip assembly replaces stock clips to secure saddlebags, eliminating tool requirements for installation.

A panel fastener uses an adhesive holding mechanism to bond securely to substrates.

Segmenting the bush into thin and thick walls reduces longitudinal length while maintaining coupling force in narrow fastening ranges.

Spring beam elements in a retainer ring expand radially to allow bolt passage, then contract to engage an annular groove for reliable hold-out retention.

Integrated flange slot secures nut to eliminate separate retaining components and allow single-wrench installation.

A secure button indicator translates plate rotation into visual feedback for proper fastening.

A plastic nut with wedge-shaped retaining elements on its longitudinal edges provides clamping force within a socket wrench.

A vehicle bumper pivot retaining portion secures lighting device fixing parts through integrated snap-fastening and access channel guidance.

A clamping assembly with pivotally coupled support members and inserts secures engine components for balanced lifting.

A washer with a displaceable resilient member retains fastening members for secure vehicle curtain attachment.

Connection member with first and second holes sheaths anti-dropping boss and screws to prevent rotation during high-altitude installation.

Asymmetric ellipsoidal geometry prevents unauthorized tool fabrication while enabling high torque transmission via dual engagement.

A clamp system secures downhole tool fasteners using a threaded port cover to prevent unauthorized removal.

Segmented hollow bodies nested within a locking bar protect internal screws, preventing theft while maintaining simple installation.

A progressive die system forms flechettes using a bandolier carrier to transport and retain parts, eliminating burrs from continuous cutting.

A riveted plug seals battery filling orifices by expanding a tube against the container wall.

Elastic O-rings secure the central dome and rotary cross on a vehicle roof antenna base plate for simplified assembly.

A machine tool head component incorporates a retention arrangement to secure fasteners during assembly operations.

A wheel lock system employs a standard tubular key to secure vehicle wheels without specialized hardware.

Segmented locking lug nuts with unique asymmetric key patterns prevent standardized socket attacks while maintaining tool compatibility.

A titanium fastener with internal feed channels injects conductive fluid to establish electrical contact within composite structures.

An abutment on the set screw body prevents disengagement from the threaded block area, eliminating health risks from lost components in implantable devices.

A trim panel assembly uses a segmented connecting member with a fastening link to manage detachment from the vehicle pillar.

A guiding device positions elongated metal objects along a perpendicular axis using shaped means between propulsion stages.

Deflected projections on the nut body axially retain a cap via interference fit, eliminating radial flanges to reduce wheel nut weight and simplify assembly.

A fastener system uses a cold-headed compression-limiting sleeve retained by a thermoplastic elastomer to absorb compressive forces.

An anti-creep ring traps a cap screw via elastic deformation to maintain coaxial alignment during assembly.

A lock wheel with detents and a blocking tab prevents unauthorized loosening of torque reactive bicycle carrier drive shafts.

A wedge-shaped portable computing device housing with a trough-formed top case and integrally fastened base.

An elastic spacer and axial locking clip retain the shaft in the sleeve, preventing accidental detachment when standard fasteners loosen.

A threaded fastener bushing uses a deformable member to constrain axial movement and prevent removal.

Flip-top hydrant lock integrates electronic sensors and a wireless mesh network for remote status reporting.

Segmented retainer and insert resolve brittle material stress by distributing load across multiple clinch features.

Nested ratchet arms engage axial stud ribs to prevent loosening while integrated caps provide tamper evidence without adding external complexity.

A block and bolt connector uses a contoured aperture to permit selective movement of the stretcher relative to the aircraft floor.

A nested fastening system uses a sleeve and inner bolt to secure accessory structures against unauthorized removal.

A wheel nut detection system monitors attachment integrity using sensors and a control module to provide real-time alerts on vehicle status.

An integrated retainer in the weld nut head captures screws, eliminating costly plastic elements and reducing installation space.

An anti-loss device uses a rigid disk and elastic strip to hold screws captive, preventing loss while avoiding material yielding under environmental stress.

A clamp head nail design with a mucilage connection system enables collation at angles greater than 25 degrees.

Two sleeves form a receiving groove for a retaining ring that secures the bolt against disengagement under horizontal shear forces.

A hinge clamp uses a removable handle and eyelet to position the retraction spring for secure bicycle frame folding.

Textured sleeve fills machining-induced voids in composite structures, displacing sealant to ensure safe lightning current transfer.

A security fastener uses a tapered drive portion with key-receiving grooves to engage an authorized tool.

Fastener grain structure alters under torque to enable visual tamper detection, resolving the trade-off between sealing reliability and system complexity.

A tapered die design enables precise press-fit fixation within a nail manufacturing holder.

A low-profile rivet fastener uses a deformable body to secure mounting in thin walls.