JPH0391558U

JPH0391558U -

Info

Publication number: JPH0391558U
Application number: JP15087689U
Authority: JP
Priority date: 1989-12-29
Filing date: 1989-12-29
Publication date: 1991-09-18

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の要部構成を示した
平面図、第２図は第１図のテンシヨナプーリを示
した側面図、第３図は第２図と異るテンシヨナプ
ーリを示した側面図、第４図は第１図と異る実施
例の要部構成を示した平面図、第５図は第３図と
異るテンシヨナプーリを示した平面図、第６図は
第５図の−線に沿う断面図、第７図は第６図
のテンシヨナプーリの一部を示した側面図、第８
図は第４図のタイミングベルトの一部を示した平
面図、第９図は第５図と異るテンシヨナプーリを
示した側面図、第１０図は従来例を示した側面図
、第１１図は第１０図と異る例を示した側面図で
ある。３……タイミングベルト、６……駆動側プーリ
、７，８……従動側プーリ、９……テンシヨナプ
ーリ、１０……テーパ面、１２……当接面。 Fig. 1 is a plan view showing the main structure of an embodiment of the present invention, Fig. 2 is a side view showing the tensioner pulley in Fig. 1, and Fig. 3 is a side view showing a tensioner pulley different from Fig. 2. 4 is a plan view showing the main structure of an embodiment different from that shown in FIG. 1, FIG. 5 is a plan view showing a tensioner pulley different from that shown in FIG. 3, and FIG. 7 is a side view showing a part of the tensioner pulley in FIG. 6;
The figure is a plan view showing a part of the timing belt in Fig. 4, Fig. 9 is a side view showing a tensioner pulley different from Fig. 5, Fig. 10 is a side view showing a conventional example, and Fig. 11 is a side view showing a tensioner pulley different from Fig. 5. 10 is a side view showing an example different from FIG. 10. FIG. 3... Timing belt, 6... Driving side pulley, 7, 8... Driven side pulley, 9... Tensioner pulley, 10... Tapered surface, 12... Contact surface.

Claims

[Claims for Utility Model Registration] (1) A driving pulley and a driven pulley are arranged inside a timing belt, a tensioner pulley is arranged outside the timing belt, and the contact surface of the tensioner pulley with the timing belt is A belt tensioner device characterized in that it is formed on a tapered surface. (2) A driving pulley and a driven pulley are arranged inside the timing belt, and a tensioner pulley is arranged outside the timing belt, and the rotational axis of the tensioner pulley is set at a predetermined angle with respect to the direction in which tension is applied to the timing belt. A belt tensioner device characterized by being tilted. (3) A driving pulley and a driven pulley are arranged inside the timing belt, a tensioner pulley is arranged outside the timing belt, and the contact surface of the tensioner pulley against the timing belt is curved. belt tensioner device.