Coil winding machine with insulation sheet tensioning mechanism

Details Coil winding machine with insulation sheet tensioning mechanism Coil winding machine with insulation sheet tensioning mechanism

1977-02-28

1979-09-25

Taylor, Billy S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

156446, H01F 4112

Patent

active

041688082

ABSTRACT:
An automatic coil winding machine having mechanism for automatically emplacing a sheet of insulating material upon completion of the winding of each layer of turns, as disclosed in U.S. Pat. No. 2,688,450, is improved to effect tight winding of the sheets. A row of resilient spring fingers is mounted on the sheet delivering element of the machine. When that element is in its forward, sheet-delivering position, a localized surface portion of each finger engages under bias against the coil form, to impose a slight drag on the sheet being wound, said surfaces being located to first engage the sheet after about half a turn of its wrap around the coil form. When the sheet delivering element is in its rearward position, the fingers are spaced from the coil form.

REFERENCES:
patent: 2257837 (1941-10-01), Burge et al.
patent: 2688450 (1954-09-01), Bell
patent: 3970259 (1976-07-01), Schmid
patent: 3985311 (1976-10-01), Stuart

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