Sledges TRIZ Cases

A system of cooperating handles attaches to a wheelchair and medical cart, allowing a user to grasp both upper portions with one hand.

Curved rider cart wings align with tugger loading wheels to eliminate hydraulic complexity and reduce operator strain during manual handling.

A spring biased blocking plate secures the drawbar engagement with a hitch plate to prevent accidental disconnection during material transport.

Dual pivot axes in one horizontal plane minimize spacing and reduce walking distance without complex mechanisms.

Segmenting the drawbar shaft into a metal support structure and plastic cladding reduces development effort while maintaining mechanical robustness.

A lever-based coupling device connects cleaning trolleys with a single control action.

Porous rib grids allow snow to pass through, preventing jacking and maintaining traction on soft surfaces.

An extendable vehicle jack uses hydraulic cylinders to slide a front frame section from a rear base, resolving labor-intensive relocation between vehicle sides.

Segmenting the structure into a rigid frame and removable walls resolves the trade-off between stacking stability and lightweight storage volume.

A towing hitch uses a spring element to actuate a locking mechanism, preventing detachment over uneven terrain.

Sliding components expand the dolly frame perimeter to support variable loads while preventing contamination from wooden materials.

A mother cart transports a daughter cart using a base frame loading bay and primary restraint mechanism for secure movement.

A furniture transport device uses detachable links to switch between parallel and V-shaped roller configurations.

Segmented wall sections and a bushing system enable easy assembly of secure storage, reducing shipping bulk.

A hauling tarp uses a smooth bottom sheet to slide easily, preventing abrasion damage during material transport.

A compact drive mechanism with a motorized wheel system lifts and lowers the carriage to support heavy loads.

High-entropy alloy ski bottoms resolve wear versus speed trade-offs by lowering friction coefficients.

L-shaped connection lugs engage rectangular mating slots to boost coupling strength while maintaining assembly versatility.

Electric propulsion and adjustable lever arms resolve operator fatigue on uneven surfaces.

Nesting vertical and horizontal reinforcement bars within interspaces reduces package thickness for shopping trolley stacking.

A multi-functional ice fishing sled integrates a transport platform, pivotable rod holders, and a removable auger support assembly.

A shopping cart frame integrates retention clips and corner bumpers to shield structural components from abrasion during operation.

Bent front struts narrow caster spacing to reduce freight volume while intermediate sections create low-profile storage areas.

Segmented stamped frames with adjustable rods resolve the contradiction between support strength and manufacturing complexity.

Shock absorbers dampen vertical acceleration of the sensor enclosure to maintain measurement precision across rough terrain.

A trailer dolly uses an adjustable hitch and V-shaped support to enable manual transport of small trailers without motor vehicles.

Merging the latch block into the support shaft assembly eliminates separate components, reducing device complexity while maintaining secure attachment.

Rotatable cross tubes unfold horizontally to expand the loading space of a folding cart while collapsing into a compact nested configuration for storage.

Gas-assisted injection molding creates a single-piece trolley handle with hollow sides, eliminating assembly complexity and reducing material weight.

A modular staging trolley transforms between transport and assembly configurations to support rapid venue setup.

An adjustable beach cart uses a gear-driven locking mechanism to simplify push rod height changes, while a foldable support frame enhances loading convenience.

Dynamic legs and locking side panels resolve the contradiction between structural strength and shipping space efficiency.

A retractable wheel system moves wheels vertically via pistons to contact the ground, resolving trajectory stability conflicts during snow-to-road transitions.

A suitcase incorporates a rolling telescopic platform that collapses within the exterior shell to form a transport cart.

Offset rear and front frame sections enable close stacking while the sloping lower storage device supports two crates securely.

A slidable and pivotable tow bar mechanism retracts completely under the dolly chassis to minimize external dimensions during storage.

Segmented vents and a variable-depth keel prevent snow impact while reducing maneuvering effort on snowmobiles.

A ski retention system uses a resistance damper to modulate rotational torque, improving handling over undulations without increasing assembly complexity.

Adjustable support members stabilize the base on rugged terrain while locking mechanisms secure panels for a level work surface.