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:
Nov. 07, 1995
Filed:
Dec. 30, 1993
Applicant:
Inventors:
Ronald J Hoffman, Phoenix, AZ (US);
Jens K Olsen, Tokyo, JP;
Assignee:
Ryobi Outdoor Products, Chandler, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ; B21K / ; B22F / ;
U.S. Cl.
CPC ...
298881 ; 2988808 ; 29DI / ; 74567 ;
Abstract
A camshaft assembly comprising a shaft, a lobe, a gear, and a boss portion is disclosed. The lobe includes a first powdered metal and has a first density, while the gear includes a second powdered metal and has a second density. The boss portion is formed on one of the lobe or gear, and has an aperture sized to cooperate with the shaft and a periphery cooperating with the other of the lobe or gear to fix the lobe against rotation relative to the gear. The boss portion has a third density less than the density of the lobe or gear on which the boss portion is formed. A method of making a camshaft component is also disclosed.