Equipment for the start-up control of bobbin creels
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United States of America Patent
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Aug 20, 1991
Grant Date -
N/A
app pub date -
Oct 11, 1988
filing date -
Oct 13, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for the start-up control of bobbin creels for warp beams or warping reels, the winding heads of which, disposed in rows and columns, each have associated with them a yarn monitor, which causes the yarn to be deflected by a stop-motion sensor, and a yarn gripper, by means of which a yarn can be clamped between a thrust block and a clamping jaw, which interacts with the thrust block and has limited motion, and which is acted upon by a control element, especially a control spring, the clamping force of which in the clamping region between the clamping position and the open position can be controlled while the machine is starting up by an adjusting device, which acts jointly on all the yarn grippers open position. In order to bring about an optimum control of the yarn gripper, the device is designed so that the clamping jaw at the clamping force control is designed so as to be relatively free of movement in the direction of the longitudinal extent of the thrust block, and its clamping force is directed exclusively perpendicular to the thrust block surface.
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