Metal working – Method of mechanical manufacture – Electrical device making
Patent
1976-07-08
1977-05-17
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29418, H01F 4106
Patent
active
040232620
ABSTRACT:
A magnetic latching reed switch bobbin is wound on an automatic coil winding machine with a single polyurethane insulated wire by employing a bobbin having a base at one end with an extra terminal post mounted thereon in addition to the four terminals required for the primary and secondary coils and their associated contact pins, initially securing the end of the coil wire to a primary coil terminal, winding a bottom primary coil in a counterclockwise direction in a bottom coil compartment adjacent the base, connecting the wire to the extra terminal, feeding the wire to an adjacent secondary coil terminal so as to form a strap between the two terminals, winding in a counterclockwise direction a bottom secondary coil over the bottom primary coil, feeding the wire across a flange separating bottom and top coil compartments and housing a shunt plate assembly, winding a primary coil in a clockwise direction in the top coil compartment, returning the wire across the shunt plate assembly and across the previously wound bottom coils to a primary terminal on the side of the base flange opposite the first mentioned primary terminal and then to an adjacent secondary terminal to form a connecting strap, feeding the wire upwardly across the bottom coils and the shunt plate assembly, winding a top secondary coil in the counterclockwise direction on the top primary coil, feeding the wire back across the shunt plate assembly and the bottom coils and terminating the wire upon connecting it to the extra terminal and removing the wire straps connecting the two sets of terminals.
REFERENCES:
patent: 3286327 (1966-11-01), Ganci
patent: 3783421 (1974-01-01), Miknaitis
GTE Automatic Electric Laboratories Incorporated
Hall Carl E.
Heid David W.
Lenkszus Donald J.
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