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:
Aug. 07, 1990

Filed:

Sep. 30, 1988
Applicant:
Inventors:

James F Murphy, Lynchburg, VA (US);

John A Wiseman, Lynchburg, VA (US);

Assignee:

Simplimatic Engineering Company, Lynchburg, VA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
4147888 ; 4147958 ; 4147967 ; 4147969 ; 4147935 ; 414416 ; 294 871 ;
Abstract

A device is provided for unloading parts from a plurality of stacked trays. The device includes a receiving station with an elevator for lifting a topmost tray to a predetermined position; a temporary holder for the topmost tray while the elevator lowers the remaining trays a preselected distance; a conveyor for moving from an initial position to below the topmost tray; the temporary holder further for releasing the topmost tray onto the conveyor for conveying to an unloading station; an unloader disposed above the topmost tray to unload it; an additional elevator for receiving the topmost tray after unloading; and the conveyor further for returning to the initial position to receive the next topmost tray.


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