Chain belt for V pulleys

Details Chain belt for V pulleys Chain belt for V pulleys

1989-03-17

1990-06-26

Bui, Thuy M.

Endless belt power transmission systems or components

Friction drive belt

Including plural interconnected members each having a drive...

474245, F16G 124

Patent

active

049368133

ABSTRACT:
A chain belt for stepless speed change transmission is provided wherein the connecting link rocker pins are arranged so that when the chain links are rotated relative to each other the pitch changes. This phenomena is used to reduce the drive noise generated with standard types of chain belts when they wrap around the drive pulley, due to a change in the relative speed of the drive block. From tests it is found that having the drive blocks outside of the chain line is more effective in reducing this relative velocity. Further having oval shaped drive blocks reduces the stress concentration at the region where load is transferred from the pulley to the chain belt, and by having an oval shape instead of a round shape the inclined end contact faces can be positively aligned to mate properly with the drive faces of the pulleys.

REFERENCES:
patent: 4608036 (1986-08-01), Dono
patent: 4643704 (1987-02-01), Honda

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