Helical tooth belt and belt transmission
AssigneeMitsuboshi Belting Ltd.
InventorsYoshihito Noborikawa, Masakuni Yoshida
Life of this patent
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Abstract
The present invention relates to a helical toothed belt including: a back portion; a tension member buried in the back portion; and a plurality of tooth portions arranged at a predetermined interval along a belt longitudinal direction on one surface of the back portion, in which the plurality of tooth portions have a tooth pitch of 1.5 mm or more and less than 2.0 mm, the back portion has a thickness of 0.4 mm or more and 1.2 mm or less, the tension member is formed of a twisted cord containing a high-strength glass fiber or a carbon fiber, and the ratio of the total value of an interval between the tension members adjacent to each other to the belt width is 20% or more and 60% or less.
Claims14
A helical toothed belt, comprising:
- a back portion;
- a plurality of tension members buried in the back portion and arranged in a belt width direction;
- and
- a plurality of tooth portions that are arranged at a predetermined interval along a belt longitudinal direction on one surface of the back portion and each are inclined with respect to the belt width direction,
- wherein a surface of the tooth portion and a portion of the one surface of the back portion are formed of a tooth fabric,
- wherein the plurality of tooth portions have a tooth pitch of 1.5 mm or more and less than 2.0 mm, while the back portion has a thickness of 0.4 mm or more and 1.2 mm or less,
- the tension members are formed of a twisted cord containing a high-strength glass fiber or a carbon fiber, and
- wherein a ratio of a total value of an interval between the tension members adjacent to each other in a belt width direction to the belt width is in a range of 20% or more and 40% or less.
Dependencies are inferred from the claim text.