US 12,460,698 B2
Toothed belt and toothed belt transmission device
Naoki Eguchi, Hyogo (JP); and Yuya Teduka, Hyogo (JP)
Assigned to Mitsuboshi Belting Ltd., Kobe (JP)
Appl. No. 18/282,939
Filed by Mitsuboshi Belting Ltd., Kobe (JP)
PCT Filed Mar. 29, 2022, PCT No. PCT/JP2022/015508
§ 371(c)(1), (2) Date Sep. 19, 2023,
PCT Pub. No. WO2022/210728, PCT Pub. Date Oct. 6, 2022.
Claims priority of application No. 2021-056839 (JP), filed on Mar. 30, 2021; application No. 2021-206966 (JP), filed on Dec. 21, 2021; and application No. 2022-045220 (JP), filed on Mar. 22, 2022.
Prior Publication US 2024/0159295 A1, May 16, 2024
Int. Cl. F16G 1/16 (2006.01); F16G 1/28 (2006.01); F16H 55/06 (2006.01); F16H 55/08 (2006.01); F16H 55/17 (2006.01); F16H 55/38 (2006.01)
CPC F16G 1/28 (2013.01) [F16H 55/06 (2013.01); F16H 55/088 (2013.01); F16H 55/171 (2013.01); F16H 55/38 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A toothed belt comprising:
a back portion;
a tension member embedded in the back portion in a belt longitudinal direction and comprising a twisted cord comprising a steel fiber;
a plurality of belt teeth formed on an inner peripheral side of the back portion along the belt longitudinal direction; and
a cover layer provided between the tension member and a belt tooth bottom formed between the belt teeth, the cover layer being exposed as part of the belt tooth bottom,
wherein the toothed belt has a total belt thickness of 9 mm to 16 mm, and the cover layer has a thickness in a range of 0.3 mm to 0.6 mm,
the back portion including a part disposed on a side of the tension member opposite to the plurality of belt teeth, and
the back portion, the belt teeth, and the cover layer are integrally formed of a thermoplastic elastomer.