Method of manufacturing an electric motor

Details Method of manufacturing an electric motor Method of manufacturing an electric motor

2006-11-28

2006-11-28

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S432000, C029S854000, C310S071000, C310S087000, C310S089000, C361S641000

Reexamination Certificate

active

07140090

ABSTRACT:
A technique for securing a conduit box to a housing of an electric motor is disclosed. The technique includes forming a hollow extension from a surface of the conduit box. The conduit box is placed on a motor frame so that the hollow extension is inserted into a hole in the motor frame that passes into the hollow interior of the motor frame. The hollow extension is plastically deformed inside the motor housing to a greater width than the diameter of the hole in the motor housing so that the conduit box cannot be removed from the motor housing. A stator is placed in the motor housing and wiring is routed from the stator to the interior of the wiring box through a passageway formed by the hollow extension.

REFERENCES:
patent: 3518616 (1970-06-01), Lewis
patent: 4101794 (1978-07-01), Miller et al.
patent: 4429243 (1984-01-01), Crow
patent: 4494779 (1985-01-01), Neff et al.
patent: 4851725 (1989-07-01), Keck
patent: 5519273 (1996-05-01), Keck
patent: 5777409 (1998-07-01), Keck
patent: 5872410 (1999-02-01), Sudoff

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