Endless belt power transmission systems or components – Positive drive pulley or guide roll – And additional coaxial surface for engaging same belt in...
Patent
1991-12-18
1993-06-08
Bui, Thuy M.
Endless belt power transmission systems or components
Positive drive pulley or guide roll
And additional coaxial surface for engaging same belt in...
474162, 474164, F16H 5512
Patent
active
052174140
ABSTRACT:
Linear velocity corrective device for chains (11) driven by toothed wheels (14), advantageously toothed wheels (14) with few teeth, for closed looped chains (11) extending in a plane or subvertical, operating near the joining zone of said chain (11) with said toothed wheel (14) and comprising levelling means (16-26-28) for the levelling of the links (12) according to the tangent to the circumference created by the pitch diameter (DP) of said toothed wheel (14) and operating upstream of the vertical of the rotation axis (15) of said toothed wheel (14).
REFERENCES:
patent: 638790 (1899-12-01), Wunderlich
patent: 2038695 (1936-04-01), Wilmot
patent: 2101172 (1937-12-01), Gegenheimer
patent: 3311220 (1967-05-01), Ianson
patent: 3983762 (1976-10-01), Dellner
patent: 4059022 (1977-11-01), Fawcett et al.
patent: 4498890 (1985-02-01), Sutherland
patent: 4538516 (1985-09-01), Aaron
Bui Thuy M.
Danieli & C. Officine Meccaniche SpA
Schoeppel Roger J.
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