The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 06, 2017
Filed:
Feb. 09, 2015
Applicant:
Bando Chemical Industries, Ltd., Kobe-shi, JP;
Inventors:
Yuji Sekiguchi, Kobe, JP;
Eijiro Nakashima, Kobe, JP;
Assignee:
BANDO CHEMICAL INDUSTRIES, LTD., Kobe-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16G 1/28 (2006.01); F16H 7/02 (2006.01); F16G 1/10 (2006.01); B62D 5/04 (2006.01);
U.S. Cl.
CPC ...
F16G 1/28 (2013.01); B62D 5/04 (2013.01); F16G 1/10 (2013.01); F16H 7/023 (2013.01);
Abstract
A toothed belt includes: a back portion; and a plurality of helical teeth provided on an inner periphery of the back portion and disposed at a fixed pitch in a belt longitudinal direction. An angle θ between a tooth trace direction of the helical teeth and a belt lateral direction is in a range of 7 degrees to 10 degrees, both inclusive. A ratio A of a thickness tb of the back portion to a tooth height hb of the helical teeth, which is given by A=100×tb/hb, is in a range of 120% to 240%, both inclusive.