H - Electricity – 01 – F
Patent
H - Electricity
01
F
26/119, 336/64
H01F 5/02 (2006.01) H01F 5/04 (2006.01) H01F 27/29 (2006.01) H01F 41/10 (2006.01)
Patent
CA 1232040
ELECTRICAL COIL ASSEMBLY AND TERMINAL THEREFOR ABSTRACT An electrical coil assembly includes a bobbin having a pair of generally parallel end plates with a pair of terminals inserted into holes in an edge in one of the end plates. A wall is attached to that one of the end plates and extends radially outward therefrom, being formed with a pair of crossholes each aligned with one of the blind holes. A pair of terminals are partially inserted into the blind holes. Each of the terminals includes an elongated slot of reduced width at the end remote from the end plate. A portion of the terminal slot material is lanced out to form a tab at that remote end of the terminal. The close in ends of the terminal slots are lined up with the crossholes. Magnet wire is then wound on the bobbin hub and the two ends of the magnet wire are dressed through respective terminal tabs and then resistance welded thereto. A layer of protec- ive tape is then applied over the surface of the wound coil. Prestripped lead wires are inserted through the crossholes of the wall and through the lower end of the terminal slots. Finally, the terminals are driven in the remainder of the blind hole depth. As a result, the reduced terminal slot widths cut into the lead wires, creating both electrical and mechanical connections.
491672
Borden Ladner Gervais Llp
Corporation Eaton
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