Swivel bracket making device, has outer guide and sleeve provided with rotation stopper, where outer guide allows locking of rotation of movable column in blocked state and releases rotation of movable column in non-blocked state

摘要

The device has an outer guide (5) and a sleeve (1) provided with a rotation stopper (3) and a pin (2) passing through the sleeve, for pivoting a signaling support. The sleeve is formed in a fixed area (4) and a movable column (7) to allow rotation of the fixed area and the movable column with one another. The outer guide allows locking of rotation of the movable column in a blocked state. The outer guide releases rotation of the movable column in a non-blocked state.