AXIALLY DECOUPLED CRANK ARM
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Aug 22, 2024
app pub date -
Apr 28, 2024
filing date -
Apr 28, 2024
priority date (Note) -
Published
status (Latency Note)
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Importance

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Non-US Coverage
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Abstract
The invention discloses an Axially Decoupled Crank Arm (ADCA) that revolutionizes cycling ergonomics by redistributing torque requirements throughout the pedal stroke. This innovative crank assembly system comprises a spindle, an arm, and a tube geometry component with helical fluting, enabling partial decoupling of rotational motion. As the cyclist pedals, the arm rotation causes lateral movement of the tube geometry component, reducing torque demands at the pedal's top and bottom positions. Compression springs counter lateral movement, providing resistance and converting kinetic energy to potential energy. The ADCA offers customizable decoupling levels, compatibility with various bottom bracket configurations, and the ability to accommodate different pedal styles. Additionally, a locking mechanism allows cyclists to switch between decoupled and coupled modes for versatile riding experiences. With its transformative design, the ADCA enhances cycling performance, enabling smoother transitions and improved efficiency for riders across diverse terrains
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
WELSH JUSTIN | SUNNYVALE CA |
International Classification(s)

- 2024 Application Filing Year
- B62M Class
- 183 Applications Filed
- 5 Patents Issued To-Date
- 2.74 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Welsh, Justin | Sunnyvale, US | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 |
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Patent Citation Ranking
- 0 Citation Count
- B62M Class
- 0 % this patent is cited more than
- 1 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Feb 22, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 22, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 22, 2036 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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 |
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