BAND MATERIAL CENTERING DEVICE Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: device has two spring-loaded double-arm levers rotatably mounted on a base. Rockers with rollers on the ends engageable with material edges are pivotally mounted on the first end of the levers. Teeth for engaging the levers with each other are cut on the second arm of each double-arm lever. A limiter is mounted on the base. Rollers engageable with a controllable thrust made in the form of a wedge are mounted on the second ends of the levers. EFFECT: improved reliability, simplified structure and accuracy of centering. 3 cl, 2 dwg