Gear assembly for a bicycle gear change
AssigneeCampagnolo S.r.l.
InventorMaurizio Valle
Life of this patent
Estimating the term…
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.
Claims28
Gear assembly for a bicycle gear change, comprising at least one gear with a larger diameter (28) and at least one gear with a smaller diameter (30), said gears being destined to cooperate with a chain (16) shiftable from one to the other of said gears (28, 30), to perform a gear change, characterized in that said gear with a larger diameter (28) comprises at least one sector dedicated to upwards shifting (44, 46), including shifting aid means (52, 54, 56, 58) to facilitate upwards shifting, and at least one sector dedicated to downwards shifting (40, 42) including shifting aid means (50) to facilitate downwards shifting.
A bicycle gear assembly of two or more gears assembled to cooperate with a common transmission chain that is mounted on a bicycle to be movable between them for upwards and downwards shifting, the assembly comprising:
- at least one gear of a first diameter and at least one gear of second smaller diameter, and one of said gears includes at least one sector dedicated to upwards shifting and the other of said gears includes at least one sector dedicated to downwards shifting.
Dependencies are inferred from the claim text.