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US Patent: 2,295,203
Field ring
Patentee:
Victor L. Darnell (exact or similar names) - Dayton, OH

USPTO Classifications:
310/216.125, 310/404, 310/426, 310/67R

Tool Categories:
electrical devices : electric motors : motor housings

Assignees:
Master Electric Co. - Dayton, OH

Manufacturer:
Master Electric Co. - Dayton, OH

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 26, 1940
Granted: Sep. 08, 1942

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Master Electric Co.
Description:
The innovation in this patent is the use of a sheet metal housing with cast end bells, where the field laminations are press or shrink fit and punching, spinning or welding are used to create "abutments" for locating brush rings.

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