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:
Aug. 08, 2000
Filed:
Aug. 25, 1998
Applicant:
Inventor:
Everett H Stephenson, Savannah, GA (US);
Assignee:
International Paper Company, Tuxedo, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03G / ;
U.S. Cl.
CPC ...
185 10 ; 185 43 ; 185 45 ; 242372 ; 254364 ;
Abstract
A device is disclosed comprising (a) a first and second member in rotational alignment to each another; (b) a torsional resilient mechanism for providing torsional resilience between the first and second members, the torsional resilient mechanism comprising at least two or more coaxial helical springs connected in series with the inner-most spring connected to the first member and the outer-most spring connected to the second member; and (c) one or more stops for preventing at least one of said springs from winding or unwinding beyond a particular point.