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:
Dec. 18, 1990
Filed:
May. 11, 1989
Applicant:
Inventor:
Jeffrey D Metcalf, Albion, IL (US);
Assignee:
Roadmaster Corporation, Olney, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05G / ; F16F / ;
U.S. Cl.
CPC ...
74572 ; 74574 ;
Abstract
An exercise bicycle flywheel (1) comprises a pair of facing concave sheet metal discs (15A, 15B). The space defined between the discs is filled with a heavy material (M) which is a mixture of hematite chips, magnetite powder, hydrated lime, portland cement, and water.