Drive system with contoured cavity
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 14, 2014
Issued Date -
N/A
app pub date -
Mar 13, 2013
filing date -
Mar 13, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention is an improved drive system for a personal vehicle comprising: a frame with a steerable front wheel and rear wheel connected to a drive axle connected to a crank arm by a drive linkage; a roller rotatably attached to the crank arm; a pedal pivotally attached to the frame having a cavity for receiving the roller; a contoured wear bar carried by the cavity for contacting the perimeter of the roller; a major arch included in the contoured wear bar contacting the roller when the pedal is on a down stroke; a minor arch included in the contoured wear bar for providing additional power when the pedal is near the end of its down stroke; and, a major front slope included in the wear bar for contacting the roller when the pedal is in its upstroke to place the pedal at its highest most position.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2013 Application Filing Year
- B62M Class
- 258 Applications Filed
- 229 Patents Issued To-Date
- 88.76 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- B62M Class
- 4.73 % this patent is cited more than
- 11 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 14, 2026 |
