Modular configuration for pedal drive systems by means of independent cranks with no dead center
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United States of America Patent
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Issued Date -
Feb 3, 2005
app pub date -
Jul 23, 2004
filing date -
Jul 25, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Mechanical improvement consisting of providing with a modular configuration a pedaling system without cycle dead centers based on independent cranks that by means of links moves a power plate separated from and parallel to the bottom bracket spindle; The above mentioned modular configuration brings a substantial optimization in maintenance and after-sales jobs as well, which are the principal obstacles for the industrialization and marketing of this type of mechanisms; besides a reduction is achieved in the number of pieces, as well as considerable advantages in the industrialization and in the final price of the product; and finally, there is achieved a minor friction that redounds to a major mechanical efficiency and therefore to a major sports yield for the user.
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