Snap Fasteners TRIZ Cases

A snap button uses inclined grooves on male and female parts to limit rotation during removal while allowing free movement during normal use.

Alternating thick and thin walls in the annular protrusion reduce mating force while maintaining detachment resistance, eliminating high precision requirements.

A hitch pin integrates a trigger mechanism to actuate retainers for single-handed operation.

Laterally stretchable substrates and magnetic layers enable sideway bending, eliminating curved groove molds.

Opposing dimples on interlocking profiles provide tactile feedback for sealing while colored lips solve identification issues in crowded storage.

A buckle uses a locking bar and counter locking bar to secure two parts together through simultaneous actuation.

A fastener system with asymmetric interlocking counterparts enables multiple connected configurations for precise fit.

A flexible connecting strip joins tent panels via sliding keder engagement, eliminating ladder use at the peak.

Replacing mechanical sewing with ultrasound welding reduces closure thickness and production time while maintaining fastening strength.

Universal dust shroud with adjustable collar accommodates varying grinder sizes to prevent bearing contamination and extend tool life.

Inclined spring tabs bias against a burner sleeve to displace the fastening point below the base surface, reducing Light Centre Length by 10 mm.

A pet collar breakaway buckle uses a deflecting protrusion to release clasps under tensile load.

Magnetic forces retract a locking device blocking piece into a housing chamber, preventing obstruction of connected components.

Pin-like rods replace anchor elements to prevent air holes in molded foam.

A multi-cassette electrotransfer instrument uses battery contact technology to connect power supplies to individual cassettes for parallel processing.

A closure device uses magnetic attraction and concentric arc guides to connect parts securely.

A magnetic coupling device uses adjustable magnetization to direct flux through pole shoes for secure door locking.

Foldable rigid barbs on a tether connect a closure member to a container opening, resolving the trade-off between insertion ease and pull-out resistance.

Dynamic locking mechanism clamps seatbelt web to prevent belt creep during rough riding conditions.

Removable handle assembly attaches to tarpaulin grommets using a hinged closure member, preventing fabric wear from direct fastening.

A hollow metal fixed pillar allows air to flow through internal grooves for rapid heat exchange.

Deformable hinges compress a locking ring around connectors to prevent rotation, solving space constraints and enabling reuse.

A portable apparatus holder uses a pivotable clip and stopper mechanism to secure devices.

Buckling blocks engage damping element holes to prevent friction-induced deformation and exposure during 360-degree rotation.

Magnetic attraction guides socket assemblies into plug members, enabling strap securing in restricted areas without manual alignment.

A twist-lock button secures articles via a rotating locking portion engaging a cylindrical cavity.

A railcar air hose clip retainer constrains the fastening component to maintain axial alignment.

An elastic layer isolates the transmission lever from the inertia mass to eliminate rattling noises without disrupting motion.

A snap and lock button system featuring a ridged cover and rotating hinged plate for secure fastening.

Beanbags pivot between a secured transport position and a support stance, eliminating bulk and noise during tactical movement.

A quick disconnect coupling uses a release pin to lock and unlock inner and outer garment parts.

A clip with recessed and projecting portions reduces insertion force while maintaining high pull-out load.

Lateral guide ribbings align male parts into sheaths, preventing accidental opening during knocks.

Molded-in clips chemically bond to foam substrates, replacing labor-intensive hog-ring methods and reducing worker injury risks.

Detachable covers distribute force on a tension spring, expanding coil gaps for bead insertion while preventing user discomfort from concentrated pressure.

Complementary interlocking profiles engage sealing flaps to prevent gas exchange, maintaining vacuum conditions for hours or days.

Segmented blade assemblies with overlapping edges reinforce the moldboard against erosion while allowing single-operator handling.

Concave troughs on the plug pin sides absorb punching extrusion, preventing interference with zipper heads for smooth operation.

A cord gripping mechanism uses a cam lever to secure cables via multi-point contact elements.

A watchcase assembly uses a manually actuable releasable connector to attach interchangeable members.

Segmented interlocking profiles distribute pack ice forces across large surface areas to prevent interlock breakage at transition zones.

Hook-based cord system protects skate laces from damage while reducing pad attachment time.

A flat CFRP vehicle body component features an epoxy resin interconnecting web for secure mounting part attachment.

An internal stop element protects the pivot pin from wear while the nested hook tip prevents snagging on clothing.

Zinc rivet fasteners couple plastic locking devices to surface materials through interference fitting.

A safety harness adjuster uses a rotating shaft and locking mechanism to secure strap length at desired positions.

Actuating device moves latching mechanisms away from male buckle portions via a cable handle.

Segmented magnets and ferromagnetic elements in a magnetic clasp device eliminate external field interference while providing multiple adjustment positions.

Slanted abutment walls eliminate clearance between engaging surfaces, preventing shakiness and impact noise in the buckle connection.

Sockets with retention mechanisms align hard points to prevent RPG detonation while reducing vehicle weight compared to rigid armor.