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:
Jan. 22, 1985
Filed:
Aug. 26, 1982
Applicant:
Inventor:
Charles E Davis, Mulberry, FL (US);
Assignee:
CF Industries, Inc., Long Grove, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
198494 ; 198631 ; 222404 ;
Abstract
A novel cleaning assembly for a dryer feed chute comprises a shaft, a housing in which said shaft is rotatably mounted, a carriage for carrying the housing and the shaft member, drive mechanism for rotating the shaft, and an oscillating chain for moving the housing and hence the shaft in the longitudinal direction. The oscillating mechanism includes control structure for providing longitudinal movement of the housing and the shaft from a first position to a second position and thereafter back to the first position to complete a cycle.