Bridges TRIZ Cases

A slide bar mechanism secures an inclined plane at a desired angle using screws and grooves.

Pneumatic lifting actuators shift a vehicle center of gravity to deflect or overturn targeted vehicles.

Vertical stanchions mount light fixtures above the dock pit to prevent forklift strikes and clear clutter while illuminating trailers.

Sensor-triggered guide blocks lock semitrailer wheels to prevent ramp collisions despite varying trailer dimensions.

Cable-extension transducers detect dock leveler deck and lip positions, replacing manual observation with continuous feedback for precise automated control.

An integrated curb design with an angled inner wall retains vehicle wheels while resisting impact damage that breaks fragile lips.

Nested ramp members with interlocking rails prevent collapse under heavy loads while maintaining lightweight portability.

Segmented tool bridges varying gaps to resolve safety trade-offs while maintaining structural simplicity.

A downward biased dock leveler eliminates hold down mechanisms by using a lip lifting mechanism to support the ramp in the raised position.

Segmented ramp assembly slides and pivots to deploy multiple configurations for vehicle boarding.

Stationary curved transition plate spans the hinge gap to eliminate surface interruptions that jar material handling equipment.

Pivoting transition plates bias downward to eliminate angle mismatches, reducing the force needed to roll loads onto varying heights.

Segmented ramp panels with a counterbalance mechanism reduce torque requirements for manual operation.

Composite coating distributes thermal loads across the deck plate to prevent condensation and delamination while maintaining high friction.

A vehicular slope apparatus uses a torsion bar assistance mechanism to rotate the first slope section upward and toward the vehicle body.

Reduced height ramps with adjustable stakes stack safely without extending past the I-beam, preventing road damage while maintaining structural strength.

A metal girder design positions connecting members halfway between flanges to enable alternating male and female connections.

A portable loading ramp uses sliding sections and spring-loaded locks to adjust width and length for secure vehicle transport.

An operable ramp system uses rotating inner and outer ramps to create a smooth inclined transition between surfaces.

Rotatable panels transition the structure between a compact step and accessible ramp, minimizing space consumption while maintaining stability.

A dock leveler support frame uses an adjustable leg assembly to position the upper member.

Adjusting assembly positions deck support to eliminate shim installation time.

A loading dock leveler uses inflatable air bags to lift the deck between positions without hydraulic components.

A multi-sloped extension section overcomes lip and door jam obstructions by providing a continuous, non-stepped transition surface for portable ramp assemblies.

A boarding bridge traveling unit uses spaced wheels and a synchronizing member to move the distal-end tunnel along the aircraft.

Sliding plates and rotating covers accommodate downward gates, resolving compatibility issues with extension line aircraft.

Combination stop-and-lock mechanism prevents rocking motion at pivotal connections by providing a positive stop without fully extending the hydraulic actuator.

A dock leveler lip extension mechanism uses gravity to engage and disengage while transitioning into a locking mechanism.

Segmented springs bias the lip plate upward along calibrating posts, reducing manual effort and preventing damage during rotation.

A dock leveler lip integrates a vulcanized rubber cover lining to absorb mechanical shocks and dissipate vibrational energy.

Counterweight mechanism offsets extended ramp weight while sensor detects orientation changes to provide operator alerts for safe deployment.

Movable ramp transitions between stowed and deployed positions using nested rotation to minimize space consumption.

Dock leveler frame uses hole and slot fasteners to eliminate shims, reducing installation time while maintaining leveling precision.

Spring-loaded lug systems offset ramp weight to minimize actuator size and extend drive motor life.

A rotatable cab features a forward-projecting gangplank that bridges the floor and aircraft hatch.

Plate-shaped steps pivot on the inner door face to deploy for boarding, eliminating space obstruction and window blockage in the cabin.

Localized reinforcement elements on the connecting plate enhance fatigue resistance and adaptability to camber variations in railway bridge assemblies.

A boarding bridge walkway portion moves between passage and outside positions to maintain a continuous level surface.