Endless belt power transmission systems or components – Positive drive pulley or guide roll
Reexamination Certificate
2006-03-20
2008-10-28
Johnson, Vicky A (Department: 3682)
Endless belt power transmission systems or components
Positive drive pulley or guide roll
Reexamination Certificate
active
07442140
ABSTRACT:
Gear assembly for a bicycle gear change, comprising at least one gear with a larger diameter and at least one gear with a smaller diameter. The selected gear, generally of a larger diameter, has at least one sector dedicated to upwards shifting that may include a plurality of shifting aid means to facilitate upwards shifting and a second gear, generally of a smaller diameter, has at least one sector dedicated to downwards shifting that may include a plurality of shifting aid means to facilitate downwards shifting.
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Campagnolo S.r.l.
Johnson Vicky A
Volpe and Koenig PC
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