Stepping motor including a connection structure of a stator yoke and a front plate
US8384261B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2010 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Aug 5, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/15
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor includes a stator having boss portions on an end plate thereof, a front plate provided on an upper surface of the stator, and a band connecting the stator and the front plate. Recess portions are formed adjacent to an outer peripheral edge of the front plate, and a protruding portion is provided in each recess portion. The band has a bottom plate part and attachment parts. The bottom plate part includes notched portions. Each attachment part includes an engagement portion at a tip end thereof which includes a notched portion. The notched portions of the bottom plate part are fitted with the boss portions of the end plate, and the notched portions of the engagement portions are fitted with the protruding portions of the front plate to form engagement hooks at most tip ends of the engagement portions, respectively, thereby connecting the stator and the front plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.