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. 31, 1999
Filed:
Jul. 18, 1997
Applicant:
Inventors:
Ronald K Guinn, Valley Center, KS (US);
Michael L O'Halloran, Hesston, KS (US);
Assignee:
Hay & Forage Industries, Hesston, KS (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01F / ; F16J / ;
U.S. Cl.
CPC ...
460100 ; 277549 ; 553853 ;
Abstract
A self-propelled farm machine includes a rotatable air inlet screen assembly having a rotatable member and a surrounding contact surface with a positive seal therebetween. The preferred seal is composed of flexible, resilient material and includes a body portion circumscribing the rotatable member and in sealing engagement therewith, a disk-shaped skirt circumscribing the body portion and flexed into wiping engagement with the contact surface, and a transition section therebetween.