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:
Dec. 07, 1993
Filed:
Jan. 29, 1993
Applicant:
Inventors:
Masao Maruyama, Hanno, JP;
Masaru Morimoto, Hanno, JP;
Hiroki Ishida, Osaka, JP;
Nobuyuki Fujimoto, Hanno, JP;
Assignee:
Tsubakimoto Chain Co., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16G / ;
U.S. Cl.
CPC ...
474212 ;
Abstract
Noise reduction in a silent chain is achieved by forming the majority of the toothed link plates with modified tooth profiles having a circular concave portion conforming t the shape of the teeth of the sprocket engaged by the chain, and a circular convex portion near the tip, the center of curvature of the convex portion being on the dedendum side of the pitch line. Additional link plates having a different meshing pitch are disposed at irregular intervals along the length of the chain. These additional link plates can have linear of modified tooth profiles.