Polyurethane foam pad for carriage, has removable plastic tray fixed on top part of tank, where space is formed between bottom part and carriage and filled with lightweight polyurethane foam

摘要

The pad has a removable plastic tray fixed on a top part of a tank. A space is formed between a bottom part and a carriage, where the space is filled with lightweight polyurethane foam. (Incomplete specification, abstract based on available information published by the patent office).