Bicycles TRIZ Cases

Angled faying surfaces create bevel joints that improve tolerance control, seam quality, and stiffness in hollow vehicle frame parts.

Woven yarn embedded in the outer layer strengthens a bicycle cable housing, disperses bending pressure, and adds reflective visibility.

A forward strut from the seat tube to the down tube increases vertical deflection for ride comfort while preserving horizontal stiffness.

Captures rider-generated wheel energy, boosts and inverts it, then drives a second motor to cut fatigue and extend travel distance.

A raised front lower frame and parallel link layout keep a lean vehicle motor clear of road obstacles while preserving stability.

A two-tube crossing frame with an angled second tube boosts torsional rigidity while lowering standover height for easier e-bike handling.

Separate pedal groups drive separate rear wheels, simplifying collective propulsion and reducing transmission stress in a multi-passenger vehicle.

Vertical pedals simulate stair climbing and transfer force to the wheels, adding gluteus-focused exercise to tricycle transportation.

An angled second tube and crossing first tube improve e-bike frame stability and torsional rigidity while widening step-through clearance.

An interrupted seat tube design reduces vertical and bending stiffness in bicycle frames.

Laterally spaced top and down tubes create a walking enclosure that eliminates injury risk from leaning over pedals during riding transitions.

Liquid crystal polymer fibers embedded in epoxy resin prevent catastrophic failure of carbon fiber bicycle frames under overload.

Nesting the storage compartment within the hollow tube eliminates external drag while protecting contents from environmental exposure.

A spring-loaded engagement member converts rotational input into linear motion to automatically reset wheel orientation.

Nested inner tubes reinforce thin-walled outer frames, resolving the contradiction between reducing weight and maintaining sufficient strength.

Linear drive mechanism with overrunning clutch transmission replaces crank systems to boost muscle efficiency and shorten wheelbase.

A kick scooter steering control device uses a torsion spring restoring mechanism to synchronize front wheel turning angles.

Internal reinforcing panels join left and right frame bodies to eliminate external weld beads and remove residual stress from welding heat.

Segmented resin end fittings enable quick down tube replacement while maintaining structural stability through controlled pivotal movement.

Internal composite ribs in hollow tubes resist distortion, transferring pedaling force to drivetrain.

A leaning vehicle foot placement system uses independent link portions to transmit rider load while maintaining fixed angles relative to the body frame.

Stamping and folding a continuous metal sheet eliminates welded joints, resolving alignment issues and boosting production speed.