Elastomeric Insert for Supporting a Tire and Mounted Assembly Incorporating It

Elastomer insert for supporting a pneumatic tire that is usable to fit to a power lift truck or handling vehicle, the insert being configured to support substantially the entire internal face of the pneumatic tire and having a radially internal face configured to sit atop a wheel rim that accepts the pneumatic tire, wherein the insert has at least one cavity configured to be inflated by a valve of the wheel which valve is independent of the insert, via inflation gas conveying means opening onto said radially internal face and into said at least one cavity and discharge means for discharging the gas from this cavity, said at least one cavity and these conveying and discharge means being formed in and/or on the insert, said at least one inflatable cavity being formed by an internal volume within the heart of the insert or alternatively by a concave external surface of the insert.