Rod Connections TRIZ Cases

A resilient O-ring at the foot-ferrule interface boosts friction, easing tripod foot installation while resisting vibration loosening.

An inner-outer rectangular coupler with vertical veins and a support member strengthens C-stake signposts against high wind loads.

Rotatable jaws with different groove sizes let one external fixation clamp securely fit pins, rods, and wires without extra inserts.

Decagon carbon tubes and relief-channel locking collars stop telescoping pole twist, slippage, and jamming under high pressure.

Pre-attached butt joints on standardized rebar lengths cut waste, avoid lap splices, and improve structural integrity during construction.

A keyed support plate in a C-shaped groove stiffens metal profile joints while allowing on-site angle adjustment and easy disassembly.

A heated shape memory polymer bushing enables low-force, misalignment-tolerant reversible joining for robotic assembly of load-bearing structures.

Tapered male and female connectors self-align and let the locking pin draw sections tight, reducing free play and pin bending.

A tilt-locking ring and elastic bias enable precise one-handed height adjustment of a sports accessory without discrete pin holes.

Discrete gripping features and threaded adjustment in a reformer frame corner improve fastening security, rigidity, and leveling on uneven floors.

Load-bearing connector blocks and gusset plates improve modular frame load transfer for taller, non-orthogonal buildings under wind and seismic forces.

A quick-release clamp with aligned matching elements locks telescopic tubes securely and prevents sudden retraction without overloading the seat body.

A movable pin and pulley stop restrains a telescoping mast after cable failure, preventing rapid collapse and limiting damage.

A compact seal-edge joint geometry boosts rotational stiffness while preserving flex for underwater conductor and sensor support.

Detachable connection surfaces and members simplify self-assembly while enabling low-cost, reconfigurable structural skeletons.

A releasable shaft element and guide chamfer align misaligned pile holes, easing assembly while protecting threads and connection stability.

A pivoting securing body with circular guides replaces sliding locks to prevent tilting and simplify secure viewing screen assembly.

A pivoting expansion bracket turns one transverse tensioner into distributed clamping, creating flush tubular joints with fast assembly and high impact strength.

A contoured groove recess, coupling body, and tension bolt create a concealed profile connection with high pull-out strength and groove integrity.

A coupling device sets the seat post's maximum extension independently, simplifying locking, preserving strength, and easing manufacture.

Non-circular end rims and support wedges improve axial and torsional load transfer from composite tubes to metal parts while reducing stress concentration.

A rotating handle, accessory caddy, and shroud make pressure washers easier to store while keeping parts organized and protected from dust.

Pre-loaded latch pins and guide plates automate telescoping mast locking to reduce manual handling, safety risk, and ingress.

Threaded pins and a screw-in adapter simplify workpiece-to-mandrel alignment while keeping centering precise and connections stable.

A swingable first leg and detachable extension keep UAV cameras clear during landing, then shorten the gear for compact storage.

A segmented wall flagpole uses a secondary pole and adjustable receiving points to switch to half-mast and support multiple display angles.

A slider-bar joint compensates height differences between laboratory automation components to maintain alignment and prevent twisting.

A movable clamping element aligns joined sliding-door profiles, compensates assembly steps, and stabilizes the track without weakening the material.

Separating the pivot and locking points lets this steering joint carry heavier loads while enabling precise angle adjustment without sawtooth slip teeth.

A checking hole lets concrete fill the coupler and verify bar insertion, while a spring-driven lock removes O-ring failure and air-pocket weakness.

Pre-integrated butt-joint couplers let standardized rebar lengths replace lap splices, cutting material waste, joint points, and construction time.

Geometrically identical connector halves let struts lock together or rotate with accessories, cutting rescue shoring weight, space, and setup time.

A pivoting hub with toothed locking adjusts saddle and leg angles so child seats fit different bicycle frames safely and comfortably.

A threaded junction pin and dowel connect tubular uprights and crosspieces without cutting the uprights, reducing parts and assembly time.

Guided clamping hooks vary transverse and longitudinal position to fit worn profile slots while enabling fast, strong temporary connections.

A core-and-arm profile cross-section improves load distribution and allows nut insertion after connection, simplifying structural couplings.

Cantilevered receptacles and floating members let one clamp hold different component sizes while reducing insertion force and preventing damage.

A dual-rod connector combines telescopic extension and controlled rotation, cutting string trimmer rod complexity, size, and cost.

Facing holding portions in an inward-bent staple crown keep binding cord stable, improve grip, and prevent slip or damage in fruit tree tying.

Integrated hook and grow-line load cells capture tower weight accurately, enabling real-time yield tracking and crop management.

Castellated collar locking secures a power tool dust bag without pre-alignment, preventing pull-off and enabling easy one-hand attachment.

A central node bearing with plug-in rods and actuated locking elements cuts framework assembly weight and time while keeping joints secure.

Pre-assembled metal-sheet binders with radial heads and micro joints enable faster one-hand rebar attachment and simpler mounting.

Separated housing units and double tightening lock rebars after one-touch insertion, preventing slip while shortening construction time.

A tilted internal clamping part anchors a hollow profile end connector without outer-surface machining, cutting assembly effort and cost.

Spring-loaded latches and actuators give a pneumatic telescopic column a defined automatic extension and retraction sequence without bounce.

A multi-groove structural profile enables flexible frame fastening without notching sheet material, while preserving tool access and torsional strength.

Driven high-impact fasteners lock solar components without pre-drilled holes, reducing installation complexity while preventing slippage.

Dual support profiles brace channel walls from outside and inside to prevent spreading, maintain alignment, and fit varying profile widths.

A wire-linked tripod leg synchronizes telescopic sections through one control element, speeding height adjustment while improving stability.