Patent ID: 7367211

Claim:
A forging device comprising: a die having an axis extending generally vertically, the die receiving a work placed in the die along the axis; first and second punches extending coaxially with the die and being capable of interposing the work therebetween; and a pressurizing section for pressurizing the first and second punches toward the work generally simultaneously, the pressurizing section comprising a first pressurizing unit for pressurizing the first punch downward and a second pressurizing unit for pressurizing the second punch upward; and a base block for supporting the die, wherein at least a portion of the second punch extends in the base block; and wherein the first pressurizing unit moves downward when the first pressurizing unit pressurizes the first punch, and at least a portion of the second pressurizing unit moves downward together with the first pressurizing unit when the second pressurizing unit pressurizes the second punch; wherein the second pressurizing unit comprises a first portion extending downward from the first pressurizing unit and moving together with the first pressurizing unit, a second portion extending generally vertically in the base block and moved by the first portion when the second pressurizing unit pressurizes the second punch, a third portion positioned under the second punch, and a fourth portion extending generally horizontally to connect the third portion to the second portion so that the third portion moves together with the second portion; and wherein the second portion and the fourth portion are connected through a cam connection.