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US 5,492,211 AGranted
Bicycle freewheel gear cluster mounting structure
AssigneeKeyin En Cho, Ltd.
InventorChin F. Wu
Life of this patent
Estimating the term…
Abstract
A bicycle freewheel gear cluster mounting structure including a wheel hub having a toothed hole and a circular recess around two opposite ends of a longitudinal center through hole thereof; a lock nut mounted within the circular recess to hold a bearing assembly and a freewheel gear cluster around the bearing assembly; and a hollow T-rod having a toothed head at one end meshed with the toothed hole on the wheel hub and a screw rod section at an opposite end inserted through the longitudinal center through hole of the wheel hub and threaded into the lock nut.
Claims4
A bicycle freewheel gear cluster mounting structure comprising:
- a wheel hub having a toothed hole and a circular recess around two opposite ends of a longitudinal center through hole thereof;
- a locating member mounted within said circular recess to hold a bearing assembly and a freewheel gear cluster around said bearing assembly;
- and
- a hollow T-rod having a toothed head at one end meshed with the toothed hole on said wheel hub, and a rod section at an opposite end inserted through the longitudinal center through hole of said wheel hub and fastened to said locating member.
1 more element
Dependencies are inferred from the claim text.