Motor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 9, 2003
Grant Date -
Jun 20, 2002
app pub date -
Nov 9, 2001
filing date -
Dec 15, 2000
priority date (Note) -
Expired
status (Latency Note)
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Importance

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Abstract
A motor includes a rotor, a stator having a core, end brackets, and plural binders. The stator core has plural layers and a plurality of axially extending dovetail grooves in its cylindrical outer surface and arranged at predetermined spacing around its circumference. The brackets are each a bottomed cylinder with a bearing bottom portion supporting the rotor shaft. Plural projections are formed at the axially inner end of each of the brackets and project axially inward into the dovetail grooves. Plural axially extending grooves are formed on the cylindrical outer surface of each of the brackets at predetermined spacing around the circumference with the grooves of the two brackets being axially aligned. Bent ends of the binders engage outer ends of the brackets to clamp the stator core.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
MINEBEA CO LTD | 4106-73 MIYOTA OAZA MIYOTA-MACHI KITASAKU-GUN - CORPORATION-JAPAN NAGANO-KEN 389-0293 |
International Classification(s)

- 2001 Application Filing Year
- H02K Class
- 1202 Applications Filed
- 430 Patents Issued To-Date
- 35.78 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Masuda, Teruo | Sendai, JP | 29 | 316 |
# of filed Patents : 29 Total Citations : 316 |
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Patent Citation Ranking
- 0 Citation Count
- H02K Class
- 0 % this patent is cited more than
- 22 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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