Pins TRIZ Cases

A fastener lock uses extending tabs to engage threads and retain blind fasteners in obstructed gas turbine engine recesses.

An elongate washer with asymmetric apertures accommodates varying fixing requirements across different vehicle models without requiring specific supports.

Pre-installed ferrules on rebate forms eliminate reinforcement bending, maintaining ductility and easing installation.

Synchronized threads in a captive screw terminal automatically return the body nut, preventing loss and easing connection in restricted spaces.

An integrated mounting aid unit prevents fastening bolt loosening without impairing the connection to other assembly units.

A single retainer uses inward prongs to snap-fit fasteners and limiting members into a unified assembly.

A blind rivet design uses a tapered sleeve and internal mandrel head to expand the body, creating a secure mechanical seal without external washers.

Outwardly projecting retainers with undercut surfaces secure the compression limiter within plastic components.

A retaining tool with engagement members temporarily holds bushes on bolts, preventing sliding and eliminating welding.

A cylindrical metal sleeve enables standard screw use within plastic components.

A metal annular gasket uses a smooth transition seal layer to distribute tightening loads evenly across compound layers.

Nested unidirectional drives in the fastener enable controlled rotation of the parking override assembly, allowing gear shifting without hydraulic pressure.

Oblique transition surfaces in a screw drive design generate axial force to eject the tool during reverse rotation.

A fire hydrant cap uses a pin mechanism to decouple its outer body from the inner threaded element.

A spacer assembly uses resilient friction elements to provide an interference fit with a threaded connection bolt.

Segmented groove design prevents axial withdrawal during burglary attempts while allowing easy assembly without component damage.

A rivet sealing washer uses a silicone membrane with raised high pressure point skirts to create a continuous seal around the mandrel head.

Radial clearance between the screw shank and fastening hole allows easy insertion, while elastic mounting arms provide axial fixation to reduce assembly effort.

Integrated nut and flange assembly uses polygonal abutment faces to prevent rotation, resolving reliability versus manufacturing cost trade-offs.

A stud bolt design featuring a large diameter portion between threads prevents tool engagement for secure fixation.

A shackle guard with tether secures closure pins against rotation and vibration during lifting operations.

A retaining plate prevents axle nut loosening by creating a moment arm that resists rotation under high impact loads.

A spring-loaded retainer housing guides a fastener along a constrained path using an elastic member to extend the component for installation.

A roof window cover plate fastening device uses a locking pin and nested support elements to secure the plate axially and radially.

A lockable interface mechanism secures items via deployable anchors and a traveler blocking position.

Segmented bolts engage two members to fix a turbine casing, preventing fall-out in narrow spaces.

Nested positioning sleeves prevent component loss during transport, reducing reassembly complexity for EUV systems.

Elongated polymeric protuberances maintain concentric alignment of inserted shafts, resolving offset issues during automated assembly processes.

An elastic wire piece prevents screw thread damage and ejection during misaligned attachment by dynamically adjusting orientation.

Standardized hoop structures and connector plates assemble into a modular rack that prevents wheel damage while supporting U-shaped locks.

Anti-slip coatings on bent wire legs secure hair firmly while preventing tangles caused by complex mechanical parts.

A micro-cellular closed-cell foam seal prevents debris ingress and lubricant loss in self-lubricating pin joints.

Asymmetric recesses in the nut body prevent standard tools from gripping while allowing specific wrench engagement to deter theft.

An integrated washer with cam structures engages the nut flange to prevent bolt loosening through mechanical displacement.

Swaged housing captures the washer inside the nut to prevent loss during wheel servicing, ensuring proper installation.

Segmented components and nesting resolve security complexity by using a spring-loaded ball to prevent unauthorized loosening without adding manual steps.

A tile bridging structure enables attachment via an elongate fastener without a stud.

Segmented elastic locking member prevents self-unscrewing while enabling easy removal, reducing radiation exposure from irradiated scrap.

A block-shaped housing guides a slidable locking element across ear-like extensions to secure box containers.

A compressible ring on a fastening sleeve blocks sealant migration, ensuring proper interference fit adhesion.

A fastener shaft features a deformed second end with an enlarged external diameter that mechanically retains the nut on the threaded section.

Longitudinal fins on a flexible plastic sleeve center fasteners in misaligned bores, resolving holding power versus manufacturing complexity.

Torqued collar generates tension on lock bolt threads to produce clamp force, eliminating temporary fasteners and reducing assembly time.

A spring-loaded locking pin with a constriction prevents uncontrolled falling in turbine assemblies, simplifying maintenance.

Focused ion beam manipulator needles repair defects using chemical vapor deposition and sputter etching, avoiding vacuum chamber opening to prevent sample loss.

An internally tapped flange orifice axially retains a rotating nut, preventing loss while allowing easy replacement.

A wheel nut uses a variable depth groove to house a retaining ring and secure the bushing.

Pre-positioned asymmetric screw heads coordinate torque ranges to prevent twisting during automated assembly of thick conductors.