Apparatus for winding coil on toroidal core

Details Apparatus for winding coil on toroidal core Apparatus for winding coil on toroidal core

1988-05-03

1989-10-10

Hail, III, Joseph J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

29605, 140 88, H01F 4108

Patent

active

048726184

ABSTRACT:
An apparatus suitable for use in winding a coil on a toroidal core of a magnetic head of a video tape recorder or magnetic disc player by passing a wire through a minuscule aperture, with the apparatus including an annular wire guide formed with a cutout, a plurality of pairs of feed rollers having axes disposed perpendicular to a plane in which the annular wire guide is disposed, the rollers of each pair engaging each other inside the annular wire guide, and at least one core holding unit for holding a core in such a manner as to be positioned in the cutout of the annular wire guide. By repeatedly performing the operations of feeding a wire by the feed rollers, guiding the movement of the wire by the annular wire guide and inserting the wire through a core window of the toroidal core after transporting the wire to the wire insertion position, it is possible to wind a coil positively with increased speed and reliability.

REFERENCES:
patent: 3732901 (1973-05-01), Kent et al.
patent: 4269366 (1981-05-01), Lindenmeyer
patent: 4529138 (1985-07-01), Perschka
patent: 4548365 (1985-10-01), Marzec et al.
patent: 4771956 (1988-09-01), Sato et al.

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