Variable speed drive system for carding machine

Details Variable speed drive system for carding machine Variable speed drive system for carding machine

1975-08-18

1977-06-07

Newton, Dorsey

Textiles: fiber preparation

Working

Carding

19 25, 7423017A, D01G 1546

Patent

active

040273580

ABSTRACT:
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.

REFERENCES:
patent: 605057 (1898-05-01), Hopkinson et al.
patent: 623950 (1899-04-01), Eaton
patent: 2141003 (1938-12-01), King et al.
patent: 2639470 (1953-05-01), White
patent: 3242749 (1966-03-01), Schwalm
patent: 3300817 (1967-01-01), Binder et al.
patent: 3807248 (1974-04-01), Hooper

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