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US 2006/0138877 A1Published application
Rotor core for motor and small motor
OwnerMakoto Akabaneinventor
Life of this patent
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Abstract
A rotor core for a motor includes a core having a plurality of core sheets which are laminated, a rotation shaft which is press-fitted to the core, a press-fitting part and at least a space part which are provided at a joining portion of a through-hole of each of the core sheets to the rotation shaft, and a resin film which is formed in the space part for joining the rotation shaft with the core.
Claims11
A rotor core for a motor comprising:
- a core including a plurality of core sheets which are laminated;
- a rotation shaft which is press-fitted to the core;
- a press-fitting part and at least a space part which are provided at a joining portion of a through-hole of each of the core sheets to the rotation shaft;
- and
- resin film which is formed in the space part for joining the rotation shaft with the core.
2 more elements
Dependencies are inferred from the claim text.