Rolling bearing, pivot assembly bearing, and disk drive apparatus
US-2024417645-A1 · Dec 19, 2024 · US
Motor, disk drive apparatus, and fan
US9103330B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9103330-B2 |
| Application number | US-201313748954-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 24, 2013 |
| Priority date | Mar 7, 2012 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
There is provided a motor including, a rotating portion and a stationary portion. The mounting plate includes a substantially cylindrical fixing cylindrical portion; an annular upper plate portion; an annular circumferential portion; and a mounting portion. A lower end of the fixing cylindrical portion is arranged at a level lower than that of a lower end of a bushing press-fit area. At least one of a lower end of a sleeve fixing area in which an outer circumferential surface of the sleeve and an inner circumferential surface of the bushing cylindrical portion are in contact with each other and a lower end of a radial gap which supports the shaft is arranged at a level higher than that of an upper end of the bushing press-fit area.
First claim
Opening claim text (preview).
What is claimed is: 1. A motor comprising: a rotating portion; and a stationary portion arranged to support the rotating portion such that the rotating portion is rotatable about a central axis; wherein the rotating portion includes a shaft and a rotor magnet; the stationary portion includes: a sleeve including a hole in which the shaft is inserted, and arranged to rotatably support the shaft; a substantially cylindrical bushing having a bottom arranged to cover the sleev…
Assignees
Inventors
Classifications
Mechanical Engineering · mapped topic
- G11B19/2009Primary
Physics · mapped topic
- F04B17/03Primary
Mechanical Engineering · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9103330B2 cover?
- There is provided a motor including, a rotating portion and a stationary portion. The mounting plate includes a substantially cylindrical fixing cylindrical portion; an annular upper plate portion; an annular circumferential portion; and a mounting portion. A lower end of the fixing cylindrical portion is arranged at a level lower than that of a lower end of a bushing press-fit area. At least o…
- Who is the assignee on this patent?
- Nidec Corp
- What technology area does this patent fall under?
- Primary CPC classification G11B19/2009. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).