Method and apparatus for mounting coils inside a hollow cylindri

Details Method and apparatus for mounting coils inside a hollow cylindri Method and apparatus for mounting coils inside a hollow cylindri

1988-05-13

1989-11-28

Echols, P. W.

Metal working

Method of mechanical manufacture

Electrical device making

29605, 29736, H02K 1500

Patent

active

048828335

ABSTRACT:
A coil mounting method and apparatus is disclosed, for example, for mounting coils to the inner periphery of a cylindrical core in assembling a cylindrical rotary transformer of a VTR cylinder. A wire is wound round the outer periphery of a coil holding jig that is capable of opening and closing in a radial direction. After the coil is formed, the coil holding jig is inserted into a cylindrical article and opened radially to have the coil fitted in a coil groove formed in the inner periphery of the cylindrical article. The mounting of the coil to the inner periphery of a cylindrical article can be done in a short time through a reduced number of steps.

REFERENCES:
patent: 4724604 (1988-02-01), Kawazoe et al.

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