JPS6457454U

JPS6457454U -

Info

Publication number: JPS6457454U
Application number: JP15283787U
Authority: JP
Priority date: 1987-10-05
Filing date: 1987-10-05
Publication date: 1989-04-10
Anticipated expiration: 2002-10-05
Also published as: JPH067207Y2

Description

[Brief explanation of drawings]

第１図は本考案に係る装置の一つのベルト歯部
のプーリ溝部への噛合状態を示す縦断面図、第２
図は本装置に使用する歯付ベルトの一個の歯部の
縦断面部、第３図は同じくプーリの一本の溝部の
縦断面図、第４図イ〜ハは歯付ベルトの歯付プー
リへの噛合開始個所における噛合の進行状態を経
時時に示す正面図、第５図は他の実施例を示す第
１図に相当する図、第６図は他の実施例にて用い
られる歯付ベルトの一個の歯部の縦断面図、第７
図は同じくプーリの一本の溝部の縦断面図、第８
図はさらに他の実施例を示す第１図に相当する図
、第９図はさらに他の実施例にて用いられるプー
リの一本の溝部の縦断面図である。図中、１は歯付ベルト、２はベルト歯部、３は
ベルト溝部、９は歯先部、１０はプーリ、１１は
プーリ歯部、１３はプーリ歯先、１５はプーリ溝
部、１８はプーリ溝底部、θはプーリ溝底の傾斜
角度、を示す。 Fig. 1 is a longitudinal cross-sectional view showing the state in which one of the belt teeth of the device according to the present invention is engaged with the pulley groove;
The figure shows a longitudinal cross-section of one tooth of a toothed belt used in this device, Fig. 3 is a longitudinal cross-section of a groove of one of the pulleys, and Fig. 4 A to C show the toothed pulley of the toothed belt. FIG. 5 is a view corresponding to FIG. 1 showing another embodiment, and FIG. 6 is a front view showing the progress of meshing at the meshing start point over time. FIG. 6 is a diagram showing a toothed belt used in another embodiment. Longitudinal cross-sectional view of one tooth, No. 7
The figure is also a longitudinal sectional view of one groove of the pulley, No. 8
The figure corresponds to FIG. 1 showing still another embodiment, and FIG. 9 is a longitudinal sectional view of one groove of a pulley used in still another embodiment. In the figure, 1 is a toothed belt, 2 is a belt tooth, 3 is a belt groove, 9 is a tooth tip, 10 is a pulley, 11 is a pulley tooth, 13 is a pulley tooth tip, 15 is a pulley groove, and 18 is a pulley. The groove bottom and θ indicate the inclination angle of the pulley groove bottom.

Claims

[Scope of Claim for Utility Model Registration] (1) In a drive device in which a toothed belt is wound around a toothed pulley, the groove between each tooth of the toothed pulley has a groove bottom in the direction of rotation of the pulley. The belt is inclined so that its depth gradually decreases, and when the toothed belt and the toothed pulley engage, the flat tooth tips of the belt gradually increase the amount of contact with the groove bottom of the pulley. Toothed belt drive device. (2) The toothed belt drive device according to claim 1, wherein the inclined groove bottom of the groove of the pulley is formed with a flat plate surface. (3) The toothed belt drive device according to claim 1, wherein the inclined groove bottom of the groove of the pulley is formed with a concave curved surface. (4) The inclination angle θ of the groove bottom connecting the deepest groove part and the shallowest groove part forming the groove bottom of the groove part of the pulley is set to 10 degrees at the maximum. The toothed belt drive device according to one item selected from three items.