Power transmitting toothed belt and power transmitting device
AssigneeTsubakimoto Chain Co.
InventorsShoichiro Shimizu, Hiroshi Sakamoto, Masaru Kanamori
Life of this patent
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Abstract
A power transmitting toothed belt having improved positioning accuracy between the toothed belt and a pulley, increased durability, and reduced contact noise, comprising a rubber back layer, a plurality of core wires and a rubber layer having a plurality of belt teeth, wherein the belt teeth are at oblique angle with respect to the direction of the width of the belt. The belt teeth intersect with straight pulley teeth having a pitch equal to the pitch of the belt teeth.
Claims10
A power transmission comprising a toothed belt and a toothed pulley in mesh with the toothed belt and rotatable on an axis of rotation, wherein the belt comprises:
- a back layer in the form of an endless loop composed of rubber and extending along a circumferential direction;
- a toothed layer secured to the back layer, and extending along the back layer in the circumferential direction, the toothed layer also being composed of rubber, and having a plurality of belt teeth extending toward the inside of the loop;
- a plurality of core wires embedded in the belt between the back layer and the toothed layer, the core wires extending along the circumferential direction of the loop;
- and
- wherein the pulley comprises a plurality of straight teeth in mesh with the teeth of the belt, the teeth extending widthwise of the pulley and parallel to the axis of rotation of the pulley;
- wherein the belt has a width parallel to the direction of the axis of rotation of the pulley and is arranged to travel along a direction of travel perpendicular to the direction of the axis of rotation of the pulley;
- wherein the pitch of the pulley teeth is equal to the pitch of the belt teeth;
- and
- wherein the belt teeth extend at an oblique angle α with respect to the direction of the width of the belt.
A toothed belt comprising:
- a back layer in the form of an endless loop composed of rubber and extending along a circumferential direction;
- a toothed layer secured to the back layer, and extending along the back layer in the circumferential direction, the toothed layer also being composed of rubber, and having a plurality of belt teeth extending toward the inside of the loop;
- a plurality of core wires embedded in the belt between the back layer and the toothed layer, the core wires extending along the circumferential direction of the loop;
- and
- wherein the belt has a width perpendicular to the circumferential direction;
- and
- wherein the belt teeth extend at an oblique angle α with respect to the direction of the width of the belt.
Dependencies are inferred from the claim text.