Apparatus for heat treating work

In an apparatus for automatically cooling ferrous work in a work holder of generally upwardly opening form to receive said work therein, to harden the same uniformly, said work having been preheated to impart uniform characteristics to said work;

• said apparatus comprising:
• a. a work holder of generally upwardly opening form to receive said work therein, and comprising a pair of spaced apertured wall members and a bottom wall connected to said wall members and on which the parts may be positioned,
• b. said vertical wall members being provided with apertures for contact with and flow therethrough of quenching medium for quenching said work in said holder,
• c. a quenching tank of larger dimensions then said work holder for receiving said fluid quenching medium and work holder therein,
• d. and means in said apparatus for positioning the work and work holder receiving the same in alignment with said fluid quenching medium tank,
• e. whereby the work holder with the work therein may be moved into said quenching medium, so that the quenching medium will flow through the vertically apertured walls into the holder and onto said work therein, for heat interchange therewith, thereby cooling the work.