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.

Date of Patent:
Aug. 08, 1989

Filed:

Jun. 06, 1988
Applicant:
Inventor:

Torao Hattori, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16G / ;
U.S. Cl.
CPC ...
474242 ; 474201 ;
Abstract

In a power transmitting V-belt comprising an endless metal band mounted on a multiplicity of V-shaped metal blocks linked so that a semi-cylindrical recess provided on one metal block of each adjacent pair of V-shaped metal blocks is engaged by a semi cylindrical projection, such as a roller, associated with the other metal block of the adjacent pair to pivotally link the adjacent blocks. A relief portion having a suitable length is provided at an axially central portion of the recess to be recessed more deeply than the remainder of the recess. This allows uniform contact and satisfactory lubrication between the projection and the recess without interference from the central portion.


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