Variable speed drive system for carding machine

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

1976-09-27

1978-05-16

Gerin, Leonard H.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

F16H 5552

Patent

active

040892328

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: 3146633 (1964-09-01), Schmitter et al.
patent: 3600960 (1971-08-01), Karig et al.
patent: 3618413 (1971-11-01), Cherpes
patent: 3926020 (1975-12-01), Dantowitz et al.

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