Bearing apparatus for a bicycle hub
AssigneeShimano Inc.
InventorsTakanori Kanehisa, Takuji Tatsumi
Life of this patent
Estimating the term…
Abstract
A bearing apparatus for a bicycle hub comprises a bearing member and a lock member. The bearing member comprises an inner peripheral surface for receiving a hub spindle therein, a bearing surface for engaging a bearing, and an interlock portion. The first lock member comprises an inner peripheral surface for receiving the hub spindle therein and a mating portion for engaging the interlock portion of the bearing member so that the bearing member is nonrotatably fixed relative to the first lock member.
Claims21
A bearing apparatus for a bicycle hub comprising:
- a bearing member comprising:
- an inner peripheral surface for receiving a hub spindle therein;
- a bearing surface for engaging a bearing;
- and
- an interlock portion;
- and
- a first lock member comprising:
- an inner peripheral surface for receiving the hub spindle therein;
- and
- a mating portion for engaging the interlock portion of the bearing member so that the bearing member is nonrotatably fixed relative to the first lock member.
A bicycle hub for rotatably mounting a wheel to a bicycle frame, wherein the hub comprises:
- a hub spindle having a first end portion and a second end portion, wherein the first end portion comprises:
- a male threaded portion;
- and
- an interlock portion disposed axially outwardly of the male threaded portion;
- a hub body disposed around the hub spindle, wherein the hub body includes a pair of hub flanges;
- a first bearing assembly disposed at a first end of the hub body between the hub body and the hub spindle, wherein the first bearing assembly comprises:
- a first cup supported to the hub body;
- a first cone comprising:
- a female threaded portion for engaging the male threaded portion of the hub spindle;
- and
- an interlock portion;
- and
- a plurality of first rolling bearings disposed between the first cup and the first cone;
- a lock member for locking the first cone with respect to the hub spindle, wherein the lock member comprises:
- a first mating portion for nonrotatably mating with the interlock portion of the hub spindle;
- and
- a second mating portion for nonrotatably mating with the interlock portion of the first cone;
- and
- a second bearing assembly disposed at a second end of the hub body between the hub body and the hub spindle, wherein the second bearing assembly comprises:
- a second cup supported to the hub body;
- a second cone supported to the hub spindle;
- and
- a plurality of second rolling bearings disposed between the second cup and the second cone.
Dependencies are inferred from the claim text.