Heads of railway wagon brake and brake head of rail wagon of a piece

摘要

Heads of railway wagon brake and brake head of the wagon iron road a piece. The present invention relates to a brake head of rail wagon having a top edge, a bottom edge, a pair of side.The head of the brake also includes a slot which defines an elongated cu00f3ncava elongated axis and opening to the upper and lower ends of the brake head. At least a portion of the slot is defined between a rear wall and spaced transversely extending straps above and below.A front surface of each loop is adapted to mount the wheel with a brake shoes.The longitudinal spacing between the upper and lower straps centrally is such that a key bridge that extends from a rear face of the brake shoes is received and accommodated between the same according to which inhibits longitudinal movement of the brake shoes with respect to fit u00e7ote brake.The strap upper prepared centrally in brake head is configured with a surface that acts as a cam.A longitudinal portion of which is disposed with respect to the slot to guide and facilitate the movement of a free end of an elongated key down beyond the top strap which allows the key to establish a relationship of close fitting with the bridge of the Key to the brake shoes.