Endless belt power transmission systems or components – Control for variable input to output speed-ratio – Condition responsive
Reexamination Certificate
2007-07-24
2007-07-24
Johnson, Vicky A. (Department: 3682)
Endless belt power transmission systems or components
Control for variable input to output speed-ratio
Condition responsive
Reexamination Certificate
active
10145933
ABSTRACT:
An apparatus for determining when to shift a bicycle chain from a first sprocket having a first number of teeth to a second sprocket having a second number of teeth comprises a memory for storing a reference value, and a processor that determines a shift value corresponding to a shift speed for shifting the chain from the first sprocket to the second sprocket by multiplying the reference value by one of the first number of teeth and the second number of teeth and dividing by the other one of the first number of teeth and the second number of teeth.
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Deland James A.
Johnson Vicky A.
Shimano Inc.
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