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USPTO's for finding information on machinery patents.
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1,436,335
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Nov. 21, 1922
|
Electromagnetic Motor
|
William W. Billings |
Lakewood, Cuyahoga County, OH |
Claim:
Phonograph motor mechanism, comprising a horizontal supporting wall, a vertical table driving spindle extending through the same, a stationary hollow pan-shaped casing depending from said wall and provided with inner and outer circumferentially extending walls forming an annular space, a series of electromagnets attached to the outer wall and circumferentially spaced in said annular space, and armature members attached to the spindle and lying between said electromagnets and said inner casing wall. |