Synchronous Transmission Belt And An Assembly Comprising This Belt And An Associated Pulley

Abstract: Synchronous transmission belt (100) having an elastomer-based body (102) comprising a dorsal portion (104), a ventral portion (106) and a set of traction cords (110) between the dorsal portion (104) and the ventral portion (106), the ventral portion having a plurality of transverse teeth (112, 112'), each transverse tooth (112, 112') having in cross section a first profile (116) with two inclined flanks (117) connected by at least one rounded portion, each transverse tooth having a tooth height H1, and a plurality of longitudinal teeth (114, 114'), each longitudinal tooth extending between two transverse teeth substantially perpendicularly to said transverse teeth and having in cross section a second profile (118) with two inclined flanks (119) connected by at least one rounded portion, each longitudinal tooth having a non-zero tooth height H2, which is less than or equal to the tooth height H1.

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