CHARGING DEVICE FOR CHARGING AND EMPTYING THE HEATING CHAMBER OF VACUUM QUENCHING FURNACES

摘要

A charging device for a furnace which has a housing with a charging opening and an oil quenching chamber and a heating chamber. The charging device has a vertically moveable carriage with a support thereon moveable horizontally to convey charges from said opening across said oil quenching chamber to said heating chamber and back. Chains drive the carriage vertically and the support horizontally and the chains for the support disengages therefrom when the support is over the body of oil in the oil quenching chamber to permit the support and carriage to be moved vertically to treat a charge in the coil.