TRANSMISSION BELT AND MANUFACTURING METHOD THEREOF

To provide a transmission belt capable of preventing an element or a hoop from being damaged, and also capable of being easily assembled.SOLUTION: A transmission belt has an irregular element 2B inserted between standard elements 2A. The irregular element 2B has: a second saddle surface 5 contacting with an inner peripheral surface of a hoop 3; pillar parts 16, 17 provided at both end parts of the second saddle surface 5 so as to erect from the second saddle surface 5, and separating from each other at an interval W20 equal to or larger than a width WF of the hoop 3; and at least one of a second boss part 21 fitted into first dimple parts 11, 13 in the standard element 2A, and a second dimple part 22 fitted into first boss parts 10, 12 in the standard element 2A.SELECTED DRAWING: Figure 7 【課題】エレメントやフープを傷つけることがなく、また組み付け作業が容易な伝動ベルトを提供する。【解決手段】標準エレメント２Ａの間に挿入される異形エレメント２Ｂを有し、異形エレメント２Ｂは、フープ３の内周面を接触させる第２サドル面５と、第２サドル面５の両端部に第２サドル面５から立ち上がった状態に設けられかつフープ３の幅ＷＦ以上の間隔Ｗ２０のピラー部１６，１７と、標準エレメント２Ａにおける第１ディンプル部１１，１３に嵌合する第２ボス部２１および標準エレメント２Ａにおける第１ボス部１０，１２を嵌合させる第２ディンプル部２２の少なくともいずれか一方とを有している。【選択図】図７