The present invention pertains to a helical belt having a rear part in which a core wire is buried and a plurality of teeth provided to one surface of the rear part at prescribed intervals along the longitudinal direction of the belt, each of the plurality of teeth being inclined to the width direction of the belt, wherein: the surface of the teeth and a portion of the one surface of the rear part are configured from a tooth cloth, and the other surface of the rear part is configured from a rear cloth; the tooth pitch of the plurality of teeth is 2-5 mm; the thickness of the rear part is 0.6-1.3 mm when the tooth pitch is at least 2 mm and less than 3 mm; the thickness of the rear part is 0.6-1.5 mm when the tooth pitch is at least 3 mm and less than 4 mm; the thickness of the rear part is 1.2-2.0 mm when the tooth pitch is 4-5 mm; and the core wire is a helical cord including high-strength glass fibers or carbon fibers and having a diameter of 0.2-0.6 mm.
HELICAL BELT AND BELT TRANSMISSION GEAR
SPIRALFÖRMIGER RIEMEN UND RIEMENGETRIEBE
COURROIE HÉLICOÏDALE ET ENGRENAGE DE TRANSMISSION À COURROIE
2021-01-13
Patent
Electronic Resource
English