Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1992-09-01
1993-11-30
Matecki, Katherine
Winding, tensioning, or guiding
Coil holder or support
Spool or core
57294, B65H 5464
Patent
active
052658147
ABSTRACT:
A winding device for multiple wire wrapping a stationary object supplies the wires in a twist-free manner to a flyer that rotates around the stationary object. The wires are wound around the object by means of this flyer. Furthermore, one auxiliary arm is coupled to the flyer, which arm rotates synchronously with the flyer and which is provided with a guide device which guides the wires. A wire wrapping that changes winding directions is rendered possible in that at least one intermediate drum is provided, which is rotatably supported coaxially to the axis of rotation of the auxiliary arm and by way of which the wires are supplied from a stationary magazine to the guide device, whereby under the effect of force, the wires are able to be axially shifted on the intermediate drum from a winding point to an unwinding point. The circumference of the intermediate drum is smaller at the point where the wire unwinds than the wire length wound onto the object during a rotation of the flyer. The intermediate drum turns independent of the rotational direction of the auxiliary arms. This ensures that no greater length than what is needed is unwound from the intermediate drum.
REFERENCES:
patent: 428873 (1890-05-01), Adams
patent: 3997122 (1976-12-01), Helfand et al.
patent: 4317329 (1982-03-01), Roberge
patent: 4448015 (1984-05-01), Usui
Japan Patent Abstract for Kokai No. 53-4801.
Matecki Katherine
Siemens Aktiengesellschaft
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