Tong cranes with means for moving article-pushers relative to the tongs

Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports > specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes > for handling workpieces, e.g. ingots, which require to be supported temporarily within, or withdrawn from, a treatment chamber, e.g. tong cranes, soaking-pit cranes, stripper cranes > Tong cranes with means for moving article-pushers relative to the tongs

Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports > specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes (B66C17/04 takes precedence) > for handling workpieces, e.g. ingots, which require to be supported temporarily within, or withdrawn from, a treatment chamber, e.g. tong cranes, soaking-pit cranes, stripper cranes (for manipulating ingots during forging B66C17/18; grippers for handling or stripping castings or ingots during manufacture B22D29/00) > Tong cranes with means for moving article-pushers relative to the tongs