Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1975-09-24
1977-04-26
Aegerter, Richard E.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 18PW, B65H 6704, B65H 5434
Patent
active
040196909
ABSTRACT:
A winding device for automatically changing tubes taking-up endless threads, with a thread deflecting device for lifting the thread off a thread traversing device, a thread holding device for guiding the thread in its lifted-off position during change of the bobbin tube, and at least two driven bobbin chucks which can be alternately brought into a bobbin or tube change position respectively. Each bobbin chuck supporting one tube, and a thread catching- and cutting zone is arranged adjacent one end of the associated tube and rotating therewith. Thread shifting means shift the thread guided by the thread holding device in a first shifting step from a position at the immediate vicinity of the catching- and cutting zone into an end portion of the tube adjacent thereto, and which thread shifting means in a second step shifts the thread over a predetermined distance on such tube for creating the reserve wraps, the thread shifting means shifting the thread at a higher shifting speed during the second step than during the first step. A thread guide element of the thread shifting means is movable in a direction substantially opposite to the direction of the thread shifting movement such that at least one additional shifting step is carried out and which is directed opposite to the above-mentioned first and second shifting steps and such additional step occurring between such first and second shifting steps.
REFERENCES:
patent: 2036121 (1936-03-01), Converse et al.
patent: 3075715 (1963-01-01), Hensen et al.
patent: 3385532 (1968-05-01), Sparling
patent: 3858816 (1975-01-01), Corbiere
patent: 3920193 (1975-11-01), Gujer et al.
Aegerter Richard E.
Kleeman Werner W.
Rieter Machine Works Ltd.
Shepperd John W.
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