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. 15, 1994
Filed:
Feb. 21, 1992
Applicant:
Inventors:
Kenneth M Marshall, Indiana, PA (US);
Harold E Patterson, Indiana, PA (US);
Paul I Sleppy, Penn Run, PA (US);
Arthur L Dean, Indiana, PA (US);
Assignee:
FMC Corporation, Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
198769 ; 310 36 ;
Abstract
An electromagnetic exciter for use in powering vibratory equipment includes a plurality of deflectable elastomeric springs in a configuration that allows the spring system to achieve a vertical non-linear spring rate increase beneficial in dual mass electromagnetic feeder and conveyor systems.