Endless belt power transmission systems or components – Positive drive pulley or guide roll
Patent
1989-11-27
1991-05-14
Bui, Thuy M.
Endless belt power transmission systems or components
Positive drive pulley or guide roll
474153, 474205, F16G 128, F16H 5536
Patent
active
050152181
ABSTRACT:
A toothed pulley is provided which includes a plurality of grooves alternating with a plurality of teeth. The flank of each groove is joined to the head of the adjacent tooth by a connection formed of at least two convex curvilinear segments and a recess. The curvilinear segments are tangent to the end of the flank and to the terminal point of the tooth head delimitated by the outer circumference of the pulley respectively. The pulley engages with a toothed belt which includes a connection between the tooth flank and the adjacent groove, which may be in the form of a parabolic arc.
REFERENCES:
patent: 4501577 (1985-02-01), Roling et al.
patent: 4553952 (1985-11-01), Tangorra et al.
patent: 4614509 (1986-09-01), Tangorra et al.
patent: 4634410 (1987-01-01), Tangorra et al.
patent: 4696665 (1987-09-01), Macchiarulo et al.
Di Giacomo Tommaso
Macchiarulo Vincenzo
Bui Thuy M.
Pirelli Transmissioni Industriali S.p.A.
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