Winding – tensioning – or guiding – Helical or random winding of material – Alternately or sequentially wound spools
Patent
1998-09-30
2000-02-08
Jillions, John M.
Winding, tensioning, or guiding
Helical or random winding of material
Alternately or sequentially wound spools
2424726, 2425715, 2425739, 2425862, 2425974, 2426132, B65H 5410, B65H 5424, B65H 54547, B65H 7524, B65H 7528
Patent
active
060219718
ABSTRACT:
In a coil winding machine, a unitary winding head is replaced by a winding head having a bobbin removably mounted on a mandrel. The bobbin has a cavity which receives a projecting portion of the mandrel in order to mount the bobbin on the mandrel. The bobbin is held in fixed relation on the mandrel with a plurality of screws which pass through holes through a hub at a first end of the bobbin and thread into axial bores in projecting portion of the mandrel. A plurality of segments separated by slots extend from the hub, each having a second end face which is convex at a slight angle and is aligned with a shoulder on the mandrel having a concave end face so as to urge the segments into engagement with the projecting portion of the mandrel as the screws are tightened in the axial bores in the mandrel. By so configuring the winding head, substantial savings in time and expense are achieved in repairing the winding head if there happens to be arcing between the winding head and coil during heat treating of the coil and testing of the coil for electrical continuity by passing a current therethrough.
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Edwards Keith
Myers Kevin L.
Sheckler Anthony E.
Dana Corporation
Jillions John M.
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