Anti-reference positioning straight rule

• Main Authors: XU WENBIAO, HU CHANGQIAN, CHEN LUPING
• Format: Patent
• Language: Chinese; English
• Published: 02.12.2022
• Subjects: HAND TOOLS; MANIPULATORS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; STORAGE MEANS FOR WORKSHOPS; TRANSPORTING; WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK

The utility model discloses an anti-reference positioning straight rule, and belongs to the technical field of scribing instruments. The scribing ruler comprises a top seat, a ruler cabinet and a scribing knife, a ruler rod is arranged at the bottom of the top seat, scales are arranged on the ruler rod, the ruler cabinet is movably arranged on the ruler rod in a sleeving mode, a fastener B is arranged at the position, corresponding to the ruler rod, of the ruler cabinet, and the scribing knife is locked and fixed to the ruler cabinet through a fastener A; the point of the marking knife is positioned on the end surface of one end, close to the top seat, of the ruler cabinet. The point of the marking knife is located on the upper end face of the ruler cabinet, so that the distance from the point of the marking knife to the bottom face of the top base is equal to the distance from the ruler cabinet to the bottom face of the top base, the marking knife can be rapidly moved to the needed position, the calibration