The present invention pertains to a helical belt having a back part in which a core wire is embedded, and a plurality of teeth parts that are provided to one surface of the back part at prescribed intervals along a belt longitudinal direction and are each inclined relative to a belt width direction, wherein the helical belt is characterized in that: the surfaces of the teeth parts and part of the one surface of the back part are configured from tooth cloth; the tooth pitch of the plurality of teeth parts is at least 2 mm and less than 4 mm; when the tooth pitch of the plurality of teeth parts is at least 2 mm and less than 3 mm, the thickness of the back part is 0.4-1.2 mm; when the tooth pitch of the plurality of teeth parts is at least 3 mm and less than 4 mm, the thickness of the back part is 0.6-1.8 mm; the core wire is a twisted cord containing high-strength glass fibers or carbon fibers, the diameter of the cord being 0.2-0.6 mm; and the core wire is arranged so that the core wire pitch between two parts of the core wire is in a range of 0.45-0.6 mm.
HELICAL BELT AND BELT TRANSMISSION GEAR
SPIRALFÖRMIGER RIEMEN UND RIEMENGETRIEBE
COURROIE HÉLICOÏDALE ET ENGRENAGE DE TRANSMISSION À COURROIE
2023-11-15
Patent
Electronic Resource
English