Patent ID: 8857239

Claim:
A transfer bar of a press machine, the press machine having a press body, the transfer bar comprising: a remaining bar coupled to the press body; a movable bar configured to be movable relative to the press body; and a connecting device that detachably connects the remaining bar and the movable bar, the connecting device comprising a remaining-side clamp attached to the remaining bar and a movable-side clamp attached to the movable bar, the remaining-side clamp and the movable-side clamp being configured to be connected to each other, wherein the remaining-side clamp comprises one of a male fitted portion and a female fitted portion and the movable-side clamp comprises the other of the male fitted portion and the female fitted portion, the male and female fitted portions being configured to be fitted to each other along an axis parallel to a connecting direction of the remaining-side clamp and the movable-side clamp, the male fitted portion and the female fitted portion defining a first connector, a female engagement portion and a male engagement portion being provided in an inner space defined by the first connector, and wherein the male engagement portion is provided on one of the remaining-side clamp and the movable-side clamp and extends toward the other of the remaining-side clamp and the movable-side clamp, and wherein the female engagement portion is provided on the other of the remaining-side clamp and the movable-side clamp and configured to engage with an outer circumference of the male engagement portion, the male and female engagement portion defining a second connector, the female engagement portion of the second connector comprising a movable member moving in a direction orthogonal to the connecting direction, a movement of the movable member effecting an engagement and disengagement of the female engagement portion from the male engagement portion.