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:
Mar. 08, 1988
Filed:
Jan. 29, 1987
Applicant:
Inventor:
George A Zimmer, Ithaca, NY (US);
Assignee:
Emerson Electric Co., St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16G / ;
U.S. Cl.
CPC ...
474214 ; 474 91 ; 474231 ;
Abstract
A roller chain in which the pins are provided with at least one longitudinal groove oriented toward the bushing seams to improve the lubrication of the pin-bushing interface.