D - Textiles – Paper – 01 – H
Patent
D - Textiles, Paper
01
H
242/6.1
D01H 9/14 (2006.01) D01H 1/02 (2006.01)
Patent
CA 1044204
AUTOMATIC DOFF AND START-UP CONTROL APPARATUS FOR TEXTILE YARN PROCESSING MACHINE Abstract of the Disclosure In a textile yarn processing machine, such as spinning and twisting machines, the combination therewith of control apparatus for automating movements of various elements of the yarn processing machine for preparing the same for doffing of full packages and for start-up of new packages of processed yarn including combination and sub-combinations of the following. Independent hydraulic fluid operated devices are connected to the builder motion mechanisms of one of the machines only for sequentially position- ing of the ring rail during doffing and start-up upon actuation and deactuation thereof. A solenoid operated latch member is provided for latching the ring rail in its doffing position. Yarn guides are mounted for pivotal movement to and from yarn processing and doffing positions and include hydraulic fluid operated devices operated by the ring rail controlling fluid operated devices. A timed electrical circuit is actuated by predetermined positions of the ring rail for actuating and controlling the sequential position- ing of the ring rail, the latch member and the yarn guides. A builder motion rewind mechanism is controlled by the positioning of the ring rail in the doff position for automatically rewinding the builder motion mechanisms.
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