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:
Apr. 30, 1985
Filed:
May. 25, 1984
Applicant:
Inventors:
Roger S Ford, North Ridgeville, OH (US);
Herman J Shie, III, Elyria, OH (US);
Thomas E Baird, Sr, Springfield, IL (US);
Assignee:
The Scott & Fetzer Company, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55337 ; 15349 ; 15352 ; 15353 ; 55366 ; 55375 ; 55429 ; 55433 ; 55447 ; 55464 ; 55472 ; 55473 ; 55DI / ; 285-7 ;
Abstract
A dirt box for an upright vacuum cleaner comprises an elliptical upper side wall portion below a top wall, a bowl-shaped bottom wall, an inlet neck opening into the chamber in the lengthwise direction and below one end of the upper side wall portion, and aimed to establish a swirling action. An outlet port for the dirt box is off-center toward the end from which the inlet extends. The bowl-bottomed dirt box is tilted and emptied through the inlet neck.