Variable speed drive system for carding machine

D - Textiles – Paper – 01 – G

Patent

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74/223, 19/4

D01G 15/36 (2006.01)

Patent

CA 1057016

ABSTRACT OF THE DISCLOSURE A variable speed drive system for a carding machine employs a variable pitch pulley assembly that rotates the feed cylinder and doffer cylinder at a constant slow speed as the sliver is made up to the coiler can, and after a predetermined time lapse the speed of the feed cylinder and doffer automatically and progressively increase at a fixed speed ratio from the slow speed condition to a constant high speed condition. If the sliver is not made up properly within the time lapse, the operation of the feed cylinder and doffer cylinder is automatically terminated.

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