Stepping motor with position regulation member
US8957554B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 13, 2012 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Apr 16, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K37/24
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A stepping motor includes a stator, a rotor which is rotatable to the stator, a rotor-side position regulation part which is fixed to the rotor and is rotated together with the rotor, and a stator-side position regulation part which is fixed to the stator. The rotor includes a rotary shaft, and a rotor magnet which is mounted on an outer periphery of the rotary shaft. The rotary shaft is integrally formed with the rotor magnet by resin. The stator-side position regulation part includes a first stator-side position regulation part which contacts the rotor-side position regulation part at a first position to regulate a rotation of the rotor in one direction, and a second stator-side position regulation part which contacts the rotor-side position regulation part at a second position different from the first position to regulate a rotation of the rotor in an opposite direction to the one direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.