A dual-module cleaning platform uses motorized roller brushes to scrub submerged hull sections without divers.
Segmented reinforcing layers with parallel cords reduce shear force on intermediate rubber, enabling smooth pneumatic fender expansion.
Slidable traveler on vertical guide rod absorbs wave motion to prevent hull scuffing against dock structures.
Pivoting the hatch provides direct access to the marine outboard engine while keeping the rear platform continuous and free of obstructions.
An ice skateboard uses an integral mounting bracket to attach blades as a single unit for robust construction.
Segmented base materials with rounded tips minimize antifouling paint damage while simplifying replacement via a groove and protrusion fixing system.