Pins TRIZ Cases

A bayonet-style groove lets the damping element insert axially, lock securely, and detach with low effort for vibration-damped joining.

A curved spring leaf and support wings let one clip fit varied T-bolt heads, simplify installation, and stop bolts falling into hollow profiles.

Flexible fingers in a compression limiter grip bolt threads to hold parts together during assembly, improving joint integrity and installer efficiency.

A hole guard lets an L-shaped bolt fasten securely in damaged or oversized grating holes, cutting underfloor work and bolt fall risk.

Layered steel plates clamp a braided cable around the catalytic converter and vehicle frame, making theft slower and harder.

A ribbon carrying spaced fastener receptacles cuts seal-cap installation steps in composite aircraft fuel tanks while maintaining ignition suppression.

Segmented capacitive electrodes track tiny screw-joint rotation changes with higher sensitivity and fewer false alarms.

A hole guard creates a secure bolt interface for large, elongated, or damaged grating holes without modifying the lower structure.

A spring-biased knob and ferrule keep a captive fastener aligned, resist axial and rotational play, and simplify assembly.

Curved tabs form a locking circle that resists vibration detachment, while a conical auxiliary ring enables quick washer release.

Interlocking tabs and a padlock block wing nut rotation, making mounted fuel containers much harder to remove and steal.

A cam lock and lock-pin dovetail bracket secures fish finders and navigation displays against forced removal without damaging the mount.

A seal discontinuity creates stress concentration to start peeling, cutting stiction and helping separable components meet separation time and speed targets.

A washer and cylindrical shank region reduce creep and washer catching, helping spring head screws retain preload at high temperature.

A motorized thread and controller keep bolt torque stable under vibration, preventing loosening and reducing maintenance costs.

A stepped threaded section and sleeve channel keep the screw captive without extra blockers, simplifying assembly and preventing loss.

An L-shaped bolt and fall-prevention washer let one worker mount anti-vibration hardware from above a grating without losing bolts below.

A recessed screw caddy with adhesive pickup and a cover keeps tiny screws visible, retained, and easier to place in delicate assembly.

Two identical damping elements joined by one sleeve simplify fastening while damping axial and radial vibrations without locking structures.

A threaded lock nut reinforces refrigerant pipe joints to prevent accidental disassembly and improve safety in flammable-refrigerant air conditioning systems.

A sealed receiver captures tightening bolt threads inside the movable plate, reducing hazards and easing pipe coupling in plate heat exchangers.

An elastic sleeve on a scaffolding locking pin enables tool-free assembly while preventing accidental disengagement of telescopic tubes.

A high-modulus plastic sleeve replaces metal parts by resisting corrosion, absorbing force, and maintaining heat deformation resistance up to 285°C.

A locking clasp and security cable secure medical device leads against removal, reducing cable waste, replacement cost, and equipment downtime.

Transverse assembly structures and a friction-fit reception breakthrough keep pre-positioned fasteners from falling out before final mounting.

An upright L-shaped bolt with locking groove and split washer enables safer, faster grating plate fastening without repositioning the plate.

A tapered compressible bushing centers thin-walled parts during tightening, improving concentricity, assembly stability, and NVH.

Asymmetric stop and sliding surfaces lock the pipe joint against loosening, preventing refrigerant leakage without costly welding.

Elastic spring elements maintain friction on a threaded fastener through repeated loosening cycles, reducing replacement in bolted joints.

A segmented pin retention structure keeps track chain pins secure while allowing easier servicing and reducing stress-related fracturing.

A wire coil retainer uses holding, clamping, and positioning turns to pre-install bolts securely while simplifying assembly and tolerance compensation.

Inclined ridge lines and asymmetric torque surfaces let a security nut tighten with standard tools while resisting loosening after assembly.

A threaded sleeve, damping washers, and a captive bolt create a detachable joint that attenuates axial and lateral vibration.

A spring-loaded base and rotating winged eye bolt cut installation time while maintaining secure locking for lifting points.

Coaxial action-reaction sockets and vibration-assisted torque multiplication cut side loads and thread galling in industrial bolting.

A metal-and-elastomer retainer grips the stud, enables one-handed vehicle module assembly, and shifts load away from the polymer flange.

A dual-housing holder lets a metallic insert enter easily, then locks it against pullout and loss without fragile projections.

A head-section groove turns an unused bolt void into a clip mount for links, contacts, or pulleys, expanding fastening versatility.

A polygonal male-female housing with a push-button cam lock and bolt secures bracket-mounted audio/video units against blunt-force theft.

Radial engagement walls with partially circular bite points improve torque transfer, prevent stripping, and avoid bolt extractor use.

A sealed cap around an aircraft fastener contains sparks and plasma during lightning strikes, reducing fuel vapor ignition risk.

Mechanical locking elements secure crane assembly connectors against accidental loosening, preventing upper-part detachment without costly sensors.

A breakaway first head lets installers use a common driver, then exposes a security drive that resists unscrewing without a specific tool.

A locking clasp and coated wire-rope cable secure medical device leads against unauthorized removal, reducing cable loss and waste.

A threaded bulkhead accessory tethers SMA/SMP caps externally, avoiding screw openings that let moisture and dust enter RF assemblies.

Local induction hardening strengthens the horseshoe nail head against wear while keeping the shank flexible to reduce breakage and replacement.

Using elastic restoring force, this wire nut retainer prevents loosening and falling while allowing easy, non-destructive removal during maintenance.

An adhesive ring mount secures wall-mounted parts with injected adhesive, cutting insert weight and simplifying installation on varying wall thicknesses.

An annular adhesive channel bonds a lightweight wall holder to sandwich panels, spreading load and simplifying fastener installation.

A sealed cap around protruding fasteners contains lightning-induced sparking, protects fuel tank boundaries, and enables one-sided installation.