Control system for yarn-tying device of thread-winding machine

Details Control system for yarn-tying device of thread-winding machine Control system for yarn-tying device of thread-winding machine

1978-03-09

1979-08-28

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Monitor and control

57 95, 57261, D01H 1500, D01H 136

Patent

active

041656016

ABSTRACT:
A yarn-tying device in a thread monitor patrolling a bank of spindles periodically receives enabling signals for at least one if its units from a drive mechanism serving for the vertical reciprocation of a ring rail associated with the spindles. The drive mechanism includes a rotary cam member and a follower member co-operating therewith, one of these members carrying a lug which trips a switch whenever the ring rail is in a position suitable for the operation of the controlled unit. The signal may be electrically transmitted to the moving thread monitor through a contact brush engaging a conductor strip on an overhead guide rail.

REFERENCES:
patent: 3072350 (1963-01-01), Anderson et al.
patent: 3128590 (1964-04-01), Escursell
patent: 3486319 (1969-12-01), Lee, Jr. et al.
patent: 3641758 (1972-02-01), Escursell-Prat
patent: 3728852 (1973-04-01), Anderson et al.

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