Patent ID: 8863566
Filing Date: 2014-10-21
Classification: B21D

Abstract:
1. An upper part wedge drive comprising: a slider element; a slider guide element operably connected to the slider element for the slider element to be capable of moving relative to the slider guide element in a working direction to position the upper part wedge drive in a working position; a driver element operably connected to the slider element for the slider element to be capable of moving relative to the driver element in the working direction to position the upper part wedge drive in the working position, wherein at least one of the slider guide element or the driver element is configured to move along a substantially vertical direction to position the upper part wedge drive in the working position, wherein the working direction is not in the substantially vertical direction, and wherein the slider element is between the slider guide element and the driver element along the substantially vertical direction; and a tool fastening device with at least one tool mounting surface, the tool fastening device forming a first positive locking connection with the slider element and a second positive locking connection with the driver element, the second positive locking connection comprising a coupling mechanism configured to accept a fastener in a fastening direction generally perpendicular to the working direction of the wedge drive, wherein the fastening direction is in a plane formed by the substantially vertical direction and the working direction, and wherein the tool fastening device is fastened dismantleably downwardly in relation to the upper part wedge drive in the working position thereof.