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:
Jan. 02, 2007

Filed:

Oct. 07, 2003
Applicants:

David L. Anderson, Alexandria, MN (US);

Chad W. Hahn, Alexandria, MN (US);

Jason P. Lattimer, Alexandria, MN (US);

Inventors:

David L. Anderson, Alexandria, MN (US);

Chad W. Hahn, Alexandria, MN (US);

Jason P. Lattimer, Alexandria, MN (US);

Assignee:

Douglas Machine, Inc., Alexandria, MN (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G 57/00 (2006.01); B65H 31/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus for stacking incoming items includes a receiving mechanism for receiving incoming items, a stacking mechanism for receiving items from the receiving mechanism and stacking the items in a stacking area, a buffering mechanism for receiving incoming items when the stacking mechanism is full, and a stack unloading mechanism. Methods of operation include receiving an item in an item receiving mechanism, moving the item receiving mechanism to track the motion of a stacking mechanism, transferring the item from the receiving mechanism to the stacking mechanism, stacking the item in a stacking area, and unloading the stacking area when the stacking area is full of items.


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