JPH0162996U

JPH0162996U -

Info

Publication number: JPH0162996U
Application number: JP1987158534U
Authority: JP
Priority date: 1987-10-16
Filing date: 1987-10-16
Publication date: 1989-04-21

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す組付け状態の
説明図、第２図は第１図の要部の拡大断面図、第
３図は第２図の３―３線に沿う断面図、第４図は
第２図の４―４線に沿う断面図、第５図はギヤホ
イールの斜視図、第６図はハブ胴の斜視図、第７
図はブレーキドラムの斜視図、第８図、第９図、
第１０図ないし第１２図はそれぞれ本考案の異な
る実施例を示す説明図である。１，１Ａ〜１Ｃ：後輪ハブ装置、２：リアフオ
ーク、３：フオークエンド、４：後輪、５：軸受
け部材、６：チエーン、７，７Ａ，７Ｂ：ギヤホ
イール、８：スポーク、９：リム、１０：ハブ胴
、１１，１１Ａ：ブレーキ装置、１２，１２Ｂ：
ブレーキドラム、１３：締付けナツト、１４，１
４Ａ：ハブ軸、１５：鍔片、１６：ベアリング、
１７：挿通孔、１８：軸体、１９：ラチエツト機
構、２０：チエーンギヤ、２１：嵌合部、２２：
溝、２３：止メ輪、２４：スポーク取付け板、２
５：挿通孔、２６：ハブ胴本体、２７：嵌合凹部
、２８：ベアリング、２９：挿通孔、３０：軸体
、３１：ブレーキパツト、３２：ドラム本体、３
３：嵌合部、３４：溝、３５：タイヤ、３６：チ
ユーブ、３７：リヤデイレイラー、３８〜４０：
ベアリング、４１：座金。 Fig. 1 is an explanatory diagram of an assembled state showing an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the main part of Fig. 1, and Fig. 3 is a sectional view taken along line 3-3 in Fig. 2. , FIG. 4 is a sectional view taken along line 4--4 in FIG. 2, FIG. 5 is a perspective view of the gear wheel, FIG. 6 is a perspective view of the hub body, and FIG.
The figures are perspective views of the brake drum, Figures 8 and 9,
10 to 12 are explanatory diagrams showing different embodiments of the present invention, respectively. 1, 1A to 1C: Rear wheel hub device, 2: Rear fork, 3: Fork end, 4: Rear wheel, 5: Bearing member, 6: Chain, 7, 7A, 7B: Gear wheel, 8: Spoke, 9: Rim , 10: Hub body, 11, 11A: Brake device, 12, 12B:
Brake drum, 13: Tightening nut, 14,1
4A: Hub axle, 15: Flange piece, 16: Bearing,
17: insertion hole, 18: shaft body, 19: ratchet mechanism, 20: chain gear, 21: fitting part, 22:
Groove, 23: Retaining ring, 24: Spoke mounting plate, 2
5: Insertion hole, 26: Hub body, 27: Fitting recess, 28: Bearing, 29: Insertion hole, 30: Shaft, 31: Brake part, 32: Drum body, 3
3: Fitting part, 34: Groove, 35: Tire, 36: Tube, 37: Rear derailleur, 38-40:
Bearing, 41: Washer.

Claims

[Claims for Utility Model Registration] (1) A pair of bearing members each fixed to the fork ends of a rear fork, and a chain located inside the bearing member rotatably attached to one of the pair of bearing members. A gear wheel on which the gear wheel is hung, a hub body that supports the rim of the rear wheel through spokes etc. that are provided between the gear wheel and the other bearing member so as to be interlocked with the gear wheel, and the hub body. A bicycle rear wheel hub device comprising a removable hub axle onto which a tightening nut is screwed and rotatably supported by the pair of bearing members while connected to the gear wheel. (2) The bicycle according to claim 1, wherein the pair of bearing members are formed in a cylindrical shape with flanges provided at both ends, and are fixed to the fork ends of a rear fork. Rear wheel hub device. (3) A gear wheel has a shaft body having a hub shaft insertion hole in the axial direction, which is rotatably supported by one bearing member on one end side via a bearing, and a ratchet mechanism on the other end side of the shaft body. The invention is characterized in that it is comprised of one or more chain gears on which a chain is attached, and a fitting part formed at the other end of the shaft body and into which a hub body is fitted and connected. A bicycle rear wheel hub device according to claim 1 or 2 of the utility model registration claim. (4) The rear wheel hub device for a bicycle according to claim 1, wherein a fitting portion connected to the gear wheel is formed at the gear wheel side end of the hub body. . (5) The bicycle rear wheel according to claim 1 of the utility model registration claim, wherein a brake drum is rotatably attached to the other side bearing member and is rotatably connected to the hub body. hub device.