JPH032892U

JPH032892U -

Info

Publication number: JPH032892U
Application number: JP6317689U
Authority: JP
Priority date: 1989-06-01
Filing date: 1989-06-01
Publication date: 1991-01-11

Description

[Brief explanation of drawings]

第１図は自転車のハンガー部に取り付けた本考
案に係る駆動側歯付きプーリーの断面図、第２図
はその要部の拡大図、第３図は自転車の後車輪ハ
ブに取り付けた本考案に係る従動側歯付きプーリ
ーの断面図、第４図はその要部の拡大図、第５図
は従来の自転車に適用されている歯付きベルト式
伝動装置の側断面図、第６図はそのハンガー部に
取り付けた駆動側歯付きプーリーの断面図、第７
図はその要部の拡大図である。１……ハンガー部、２……クランク軸、３……
クランクアーム、４……駆動側歯付きプーリー、
５……円板、６……歯付きリング、７……フラン
ジ用ベルト、８……ボルト、９……歯付きベルト
、１０……従動側歯付きプーリー、１１……プレ
ート、１２……後車輪ハブ、１３……プーリー本
体、１４……一方向クラツチ、１５……外側フラ
ンジ、１６……内側フランジ、１７……プレート
。 Figure 1 is a cross-sectional view of the toothed drive pulley of the present invention attached to the hanger of a bicycle, Figure 2 is an enlarged view of its main parts, and Figure 3 is a cross-sectional view of the toothed pulley of the present invention attached to the rear wheel hub of a bicycle. FIG. 4 is an enlarged view of its essential parts; FIG. 5 is a side sectional view of a toothed belt type transmission device applied to a conventional bicycle; and FIG. 6 is a hanger thereof. Sectional view of the drive-side toothed pulley attached to the 7th
The figure is an enlarged view of the main part. 1...hanger section, 2...crankshaft, 3...
Crank arm, 4...drive side toothed pulley,
5... Disc, 6... Toothed ring, 7... Belt for flange, 8... Bolt, 9... Toothed belt, 10... Driven toothed pulley, 11... Plate, 12... Rear Wheel hub, 13... pulley body, 14... one-way clutch, 15... outer flange, 16... inner flange, 17... plate.

Claims

[Scope of utility model registration request]

In a toothed pulley with a flange used for toothed belt transmission, the inner diameter is the tooth tip diameter of the toothed pulley, the outer diameter is slightly larger than the outer diameter of the toothed belt wrapped around the toothed pulley, and
A toothed pulley for a bicycle, characterized in that a ring-shaped plate made of a low-friction material is fitted inside the flange of the toothed pulley and has a sloped surface for guiding a toothed belt on the inside of its outer periphery.