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.

Date of Patent:
Feb. 19, 1985

Filed:

Dec. 20, 1982
Applicant:
Inventors:

Louis M Sardella, Towson, MD (US);

William F Ward, Sr, Hampstead, MD (US);

Assignee:

The Ward Machinery Company, Cockeysville, MD (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
414 92 ; 271195 ; 271211 ; 271212 ; 414114 ; 414903 ;
Abstract

Apparatus for directing a flow of air between the bottom blank of a stack and a blank advancing beneath the stack, particularly for corrugated paperboard counter stacker machines, comprising an air supply means adjacent the trailing edge of the bottom blank adapted to direct the flow of air beneath the bottom blank and above the advancing blank to form a cushion of air therebetween for reducing sliding friction between such blanks.


Find Patent Forward Citations

Sardella, Louis. (1985). Air lift for blank stackers (U.S. Patent No. 4500244). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4500244

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…