Rod Connections TRIZ Cases

A tendon anchor wedge uses tapered surfaces to compress the cable against a receiving bore.

An extensible leg with a boss engages hot stick buttons from a distance.

Shell projections displace material to join axle body and link, resolving force transmission gaps during hard braking.

A bicycle seat post uses a motor-driven threaded rod and ball lock coupler to move the upper support relative to the lower frame.

Fingers obstruct the gap between receptacles, preventing cable misalignment and rattling.

A telescopic bicycle seat post uses a double inner tube configuration to adjust saddle height via mechanical locking.

Lever actuated resilient bodies expand against groove walls to join metal profiles without tools, preserving structural integrity during repeated assembly.

External splints and internal plates reduce bearing surface pressure on connecting pins without adding structural complexity or blocking inspection access.

Segmented components and nested nesting resolve the reliability versus complexity trade-off, ensuring twist-proof alignment of polygonal profiles.

Segmented posts and rails connect via integrated T-slot joints to eliminate fall gaps while resisting bending stresses.

A holding element embeds in granular material to secure movable parts at any position within a container.

Pre-assembled one-piece end pieces with protruding studs secure telescopic columns, eliminating manual positioning and reducing assembly time.

Dual locking mechanisms prevent downward pivoting when tension load is removed, maintaining stability on uneven seabeds.

A gantry structure uses hinged pillars to lift and secure washing machines for vehicles.

An elastic hinge returns the biodegradable holder to open while an inclined ramp guides a hook, reducing maintenance time and soil pollution.

Nested clamping expands an inner tube via a screw, reducing external space for manual gear shifts.

A tripod leg uses an interlocking mechanism to synchronize active and passive locking brackets for rapid one-button height adjustment.

Flexible C-shaped adapter insert joins dissimilar sanitary frame bars, eliminating complex mechanical connections.

Segmented resilient coupling units distribute clamping stress across multiple frames, preventing deformation and loosening of the lamp apparatus.

A clamping device separates a jaw portion from the central shaft to expose interstitial spaces for thorough cleaning and sterilization.

A connection assembly joins extruded aluminum members using movable engagement members actuated by a pivotally mounted handle.

A marker holder assembly extends a visual indicator above snow accumulation to identify buried structural elements.

A clamping device uses a helical cam mechanism to convert rotational lever motion into linear clamping force.

A joint device clamps longitudinal and transverse beams using a main fixing plate, an auxiliary fixing plate, and a single fastener.

A conical spreading device with a spiral groove rotates to separate twisted pair conductor lines.

Vacuum devices replace heavy mechanical brackets to reduce carrier weight while maintaining structural strength, eliminating the need for permanent fixtures.

Segmentation and parameter changes create a portable vise that resolves the contradiction between secure clamping pressure and equipment complexity.

A variable length golf club shaft uses a pin and notch mechanism to swap upper shaft sections for quick length adjustments.

A clamp assembly with adjustable frame members secures elongate structural members through direct contact.

A mechanical coupling arrangement for aluminium lattice beams uses rib-shaped projections engaged in groove-shaped recesses to join chord and diagonal members.

End spacers separate wiping elements while a center clamp retains the assemblies, preventing scratching during shipping.

Curved spheroidal surfaces eliminate backlash and friction dependence to ensure precise axial location.

Segmented bolt design enables independent mounting of bearing collars on pin bolts, preventing interference between components.

Inclined coupling clip joins intersecting reinforcing bars with a one-touch action, preventing separation without complex elastic wings.

Rotating an eccentric fastening body clamps handrails to posts, eliminating complex threading.

Threaded engagement with fillets prevents fretting wear and stress concentration while enabling quick maintenance.

A resin cylindrical member with an axial slit elastically deforms to lock an input rod in a piston.

Outwardly projecting lips with curved inner faces engage radiused edges on frame elements, preventing dirt trap formation between joined components.

Cam and hook mechanism compresses resilient strips to secure modular rail units, eliminating tool requirements for assembly.

A modular support device with a locking shaft and tower secures embedded objects in concrete.

A connector spring changes diameter under force while a sleeve restricts expansion, preventing slippage and foreign material ingress in adjustable tool bits.

Nested thickenings and hardenable filler material resolve incompatibility between conventional joints and telescopic configurations.

Segmented locking pins distribute axial loads and prevent binding during telescoping extension.

Locking rings with castellated surfaces engage tubular members to transfer axial force and prevent rotation.

A conical spreading device with a spiral groove rotates to separate twisted pair conductor lines.

Diametrically opposed positioning holes distribute loads evenly across the support tube, resolving instability caused by asymmetric lateral side engagement.

An elastic locking wedge plate compensates for gaps and secures lifting columns, reducing installation time.

Self-fixturing weldable connector joins upper and lower tubes using standard fillet welds, resolving manufacturing difficulty of direct tube-to-tube welds.

Dual clamping units linked by a connecting module feature spirally threaded shafts that rotate to adjust angles and secure external objects.

A telescopic seat height adjustment mechanism uses a rack and engagement member to enable precise vertical positioning.