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US 8,148,871 B2Granted
Structure of casing of small stepping motor
AssigneeMoatech Co., Ltd.
InventorsDong Hwan Oh, Heung Jai Won
Life of this patent
Estimating the term…
Abstract
Disclosed is a structure of a casing of a small stepping motor having an outer diameter of 8 mm or less, in which yoke teeth are integrally formed on the inner surface of the casing, and the thickness of the outer wall of the casing is different from the thickness of each of the yoke teeth. The casing of a small stepping motor includes yoke teeth integrally formed on an inner surface of the casing, in which a thickness of an outer wall of the casing is different from a thickness of the yoke tooth.
Claims3
A casing of a small stepping motor, comprising:
- a plurality of yoke teeth integrally formed on an inner surface of the casing, wherein a thickness of an outer wall of the casing is smaller than a thickness of the yoke tooth, and wherein the ratio (h1/h2) of the height (h1) of the outer wall of the casing to the height (h2) of the yoke tooth is in a range of 1.01 to 1.5.
Dependencies are inferred from the claim text.