Device to doff yarn packages on ring spinning machines

Details Device to doff yarn packages on ring spinning machines Device to doff yarn packages on ring spinning machines

1986-03-20

1987-07-28

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Doffing or donning

57266, 57270, 57275, D01H 904, D01H 902, D01H 918

Patent

active

046824669

ABSTRACT:
Device (10) to doff yarn packages on ring spinning machines (12) which is able to doff the yarn packages (15) automatically and to replace them with empty tubes (16), and which comprises a movable gripper (17), a station (20) to engage tubes and means (31) to remove yarn packages, the gripper (17) comprising an element (25) to engage yarn packages and an element (26) to engage tubes and being able to rotate about a horizontal shaft (24) so as to bring one or the other engagement element (25-26) to cooperate with the spindle shaft (23) momentarily, the gripper (17) being able to move vertically and normally staying in a position (17B) where it does not interfere with the zone of the spindle (13).

REFERENCES:
patent: 1463479 (1923-07-01), Miller
patent: 2716326 (1955-08-01), Colvin
patent: 3350868 (1967-11-01), Winter
patent: 3808788 (1974-05-01), Viglione
patent: 4036001 (1977-07-01), Tamai et al.
patent: 4571930 (1986-02-01), Chiari et al.

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