Vehicle Cranks TRIZ Cases

Fiber reinforced thermoplastic bicycle crank arm enables recyclability through re-formable material properties.

A bicycle crank strain detection unit calculates tangential force and torsional torque to display pedal load center position on a cycle computer.

A bicycle pedal shoe clip assembly uses spring-loaded opposing grasps to securely retain a shoe post within an integral guide slot.

Adjustable components on an electric bike resolve strain for injured riders by enabling dynamic position changes via app-controlled mechanisms.

Spring-biased locking members enable tool-free snap-fit assembly of bicycle pedals, stems, and training wheels.

A clipless bicycle pedal uses a cam between rotating loops to lock cleats without coil springs.

A bicycle pedal embeds flexible strain gauges on the internal pin surface to detect mechanical deformation directly.

Forms radial recesses in the internal peripheral edge of a one-piece bicycle sprocket to reduce weight without compromising strength or aesthetic appeal.

A crank arm cavity embeds a thin uniform strain layer for direct force sensing.

Segmenting sensors into an externally mounted unit resolves the contradiction between reliable data reception and avoiding costly pedal modifications.

An oblique pivot axis reorients the housing relative to the handlebar, resolving the conflict between compact integration and operator accessibility.

Arc-shaped slots guide a cleat plate into precise alignment, resolving the trade-off between shoe security and engagement complexity.

A torque sensor spindle uses a Wheatstone bridge to measure shear strain from torsional forces.

A bicycle bottom bracket assembly incorporates a radially inward force reducing structure to protect bearing units from mounting deformation.

A bicycle control apparatus delays drive assistance force reduction relative to manual pedal input changes.

An elastomeric cap and spacer-based intermediate plate prevent deformation under clamping force, maintaining consistent tactile feedback.

Adjustable crank arms and foot link guide tracks enable dynamic stride length customization to resolve musculoskeletal stress and stability trade-offs.

Hinging a movable frame to the main plate resolves versatility versus complexity by providing stable parking support and body protection during travel.

A magnetic bike pedal uses a Hall effect sensor to monitor pedaling rate and adjust electromagnet force for secure shoe attachment.

A pedal cuff system uses a plunger and lever to retain footwear securely on the drive shaft.

Adhesive seals crank arm coupling against corrosion while ensuring predetermined disassembly force.

A bicycle crank arm integrates a permanent magnet and magnetic sensor to measure pedaling force through flux changes.

Composite rubber layers with fiber material resolve wet traction issues while maintaining structural strength through intermediary bonding.

Interchangeable spacers modify the Q-factor without increasing stack height, resolving complexity and strength trade-offs.

A movable member and link mechanism push cleats outward for quick release, resolving the trade-off between secure connection strength and disengagement speed.

Strategic gauge placement on asymmetric central ring arms filters bearing loads to isolate effective cyclist power output.

A bicycle pedal pin uses adjacent strain gauges on lateral surfaces to reduce space occupation.

A bicycle pedal employs a pivoting and sliding engagement member to reduce superfluous twist and repulsive force during cleat mounting.

A cleat adapter assembly uses an adjuster to move the cleat relative to the shoe sole without loosening bolts.

Merged signal acquisition and transmission units eliminate component loosening on hollow middle axles, ensuring stable operation.

Offset outer arm extends lever length to improve upstroke force transmission and reduce pedaling effort.

Pivoting hooks and elastic return elements trap the shoe cleat, preventing unintentional detachment while simplifying the engagement mechanism.

Separate fasteners secure traction pins in a bicycle pedal body, eliminating thread damage risks and allowing lighter composite materials.

Segmented sealing structure with auxiliary cover prevents water ingress while elastomeric lip minimizes rotational torque against the bearing unit.

An adjustable bicycle shoe cleat uses transverse adjusting bores to enable biased angular positioning on the shoe bottom plate.

A pedal slider assembly enables lateral movement of bicycle pedals along the crank arm to match individual rider skeletal structures.

A bicycle pedal uses a rotating connection seat with retaining sets to engage shoe fasteners quickly.

Pivotally articulated transmission members replace chains to reduce friction and enable adjustable gearing ratios.

A crank-mounted lighting system generates dynamic light patterns that rotate with pedal movement to mimic leg motion.

An adjustable hand pedal mechanism aligns the grip with the user's shoulder and wrist to minimize off-axis loading and reduce injury risk.

A bicycle power transmission device uses detachable second rotors and replaceable elastic members to enable modular assembly.