Spiral rotor chain shifting system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 24, 2012
Grant Date -
Apr 7, 2011
app pub date -
Dec 30, 2009
filing date -
Dec 31, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A mechanism for shifting a chain from one sprocket to another sprocket is disclosed herein. The mechanism preferably includes rotor assembly, a control element and a chain tensioner. The rotor assembly preferably has a conical shaped body with a chain slot having clearance windows and cam surfaces. The control element rotates the rotor assembly to shift the chain from one of the sprockets to another sprocket without lateral movement of the rotor assembly.
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 | |
---|---|---|
PATTERSON SAM | DELEON SPRINGS FL |
International Classification(s)

- 2009 Application Filing Year
- B62M Class
- 149 Applications Filed
- 81 Patents Issued To-Date
- 54.37 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Patterson, Sam | DeLeon Springs, US | 15 | 363 |
# of filed Patents : 15 Total Citations : 363 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 1 Citation Count
- B62M Class
- 4 % this patent is cited more than
- 13 Age
Forward Cite Landscape
- No Forward Cites to Display

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 |
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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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Sep 27, 2016 | I | Issuance | |
Sep 07, 2016 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 24, 2015 | P | Published | |
Sep 01, 2015 | F | Filing |

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