Invention Grant
US4763852A Oscillating guide roll 失效
摆动导辊

Oscillating guide roll
Abstract:
An oscillating guide roll for use in winding cloth onto a take-up roll distributes the cloth so that the edge or selvage portions which are thickened do not remain in register. A stationary non-rotating shaft has a hollow guide roll mounted thereon. The guide roll both rotates about the shaft, and oscillates relative the longitudinal axis of the shaft. Apparatus entirely enclosed within the hollow guide roll is mounted therein for rotation relative the stationary non-rotating shaft, and actuated solely by rotation of the guide roll about such shaft. Rotation of the guide roll is transmitted to such apparatus at a rotational speed different from that of the guide roll. Thus, registry of the thickened edge portions is avoided without requiring actuation of the apparatus other than by rotation of the guide roll.
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