Towing Devices TRIZ Cases

A drawbar assembly with removable adapter parts engages multiple hitch receiver sizes through sliding engagement.

Separating the guide arrangement from the bearing surface resolves assembly complexity while maintaining multi-axis movement capability.

A fifth wheel hitch with a ball cage and telescoping receiver aligns trailers on uneven surfaces.

Angled locking pins constrain the ball rod pivot axis to absorb forces and prevent twisting in compact trailer coupling drive units.

Pivotal members with locking joints allow a towing assembly to articulate for extraction, then lock into a rigid configuration for safe road towing.

A trailer hitch arm mounts two tow balls of different sizes for quick coupler switching.

Compressible bushings in a rotating barrel pin secure trailer hitch accessories, eliminating play and reducing noise without loose parts.

A fluid circuit system controls a drawbar position between locked and suspended states to dissipate shock loading from earth scrapers.

Integrated holding base uses bent flat material holding elements to resist bending and torsion loads while simplifying assembly complexity.

A trailer hitch receiver locking apparatus uses a lever arm and spring-loaded pins to secure hitch devices without manual tools.

Segmenting the receiver nut from the bumper beam eliminates unnecessary assembly labor and material costs for vehicles lacking towing requirements.

Torsion bars in a receiver hitch absorb braking momentum surges, maintaining parallel alignment of the drawbar and ball mount portions.

A towing hook arrangement uses an electrical motor to impart load and monitors supplied power to quantify external forces.

An integral lock assembly prevents theft by securing the latch pin, resolving vulnerabilities from misplaced padlocks and bolt cutters.

Relocating the sensor driver to the polar region preserves the structural strength of the maximum circumference while enabling angular position detection.

Freewheel coupling unit allows ball neck receiving body pivot while preventing finger trapping during drive rotation.

A convertible tow hitch system uses a movable lower mount support to switch between ball and clevis configurations within a single receiver tube assembly.

An elastomeric valve in a coupling socket channel directs lubricant to the hold-down area while preventing clutch contamination and reducing maintenance costs.

Link arms pivot along guide slots to raise implement carriers, resolving single-point hitch height adjustment limitations.

Segmenting the clutch assembly into two forged sub-units reduces material consumption while maintaining structural strength and wear resistance.

Hitch cover assembly segments light sources to project multiple indicia onto the ground, resolving versatility versus complexity constraints.

Raised rails on a hitch tongue concentrate material for strength without adding weight, and secure the ball with one wrench.

Radial locking elements engage the coupling arm to reduce actuating force while maintaining reliability.

A camera-based coupling assistance system calculates an optimal target trajectory using image processing algorithms to guide towing vehicle steering.

Strategic sensor placement and evaluation algorithms differentiate support and tensile loads, resolving precision complexity trade-offs in towing systems.

A retractable locking post secures trailers to the ground using a rotatable post and fixed base mechanism.

Nested bracket and cover lock prevent unauthorized hitch ball removal while maintaining simple manual operation.

Segmenting the force transmission path from the displacement mechanism reduces component loading and improves accessibility through a foldable design.

Segmented latch members require simultaneous disturbance to release the shuttle, preventing accidental triggering in detachable tow ball systems.

Projections and recesses on the sensor driver prevent slip during rotational transmission, ensuring accurate angular position detection of the trailer.

Segmented locking contours allow the fixing element to shift position, resolving stability complexity trade-offs in trailer hitch systems.

Segmented cover attaching members and detachable hook covers improve rigidity and appearance of resin rear bumper covers by managing tow hook access openings.

A ball hitch coupler uses a spring-urged latch rod to automatically secure the towed vehicle.

A hardened steel receptacle and locking rod system secure a trailer hitch ball against unauthorized removal.

A loading bracket assembly redirects forces from composite vehicle structures to a supportive frame.

Integrated locking device prevents lever closure unless the trailer hitch couples correctly to the towball.

An adjustable support shelf with position-adjustable blocks simplifies installation while preventing uncontrolled trailer sway.

A hitch angle sensor adaptor plate transfers rotational movement from a trailer tongue to a protected inertial measurement unit.

A self-latching trailer coupler uses a spring-biased slide to secure hitch attachment.

Segmented tailgate panels lower selectively to accommodate hitch assemblies while keeping the remaining structure raised for continuous bed storage.

A towbar wobble bearing shifts its shaft via path control to enable axial displacement of the ball rod.

A self-locating securement pin aligns automatically within an insert bar assembly to ensure consistent engagement geometry across varying hitch receiver dimensions.

Segmented sensor zones nested inside the coupling ball measure engaging body alignment to resolve precision versus structural strength trade-offs.

Sensors detect ring position to actuate a pin, eliminating manual handling hazards and ensuring secure connections.

Segmented carrier and elastic element measure vertical loads to prevent trailer sway.