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. 15, 1976
Filed:
Nov. 24, 1972
Applicant:
Inventor:
Kay Silvon, Portland, OR (US);
Assignee:
Omark Industries, Inc., Portland, OR (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
7424 / ;
Abstract
A washer like metal blank formed into flutes. Each flute is shaped to receive the drive tangs of a saw chain so that successive drive tangs are alternately received in the flutes of first one side and then the other. The central opening is provided with keyways adapted to be mounted on a keyed hub.