Photocell controlled anti-ejection circuit for an article handling apparatus

• US 3,185,851 A
• Filed: 06/29/1962
• Issued: 05/25/1965
• Est. Priority Date: 06/29/1962
• Status: Expired due to Term

• Current Assignee: Lionville Systems, Inc. (Emerson Electric Company)
• Original Assignee: Armand D. Emilio
• Inventors: ARMAND D EMILIO
• Application Number:
  US04/206,471
• Time in Patent Office: 1,061 Days
• US Class Current: 250/223.00R
• CPC Class Codes: B65G 11/203 for articles

Claims

1. IN ELECTRICALLY OPERATIVE ARTICLE EJECTING AND HANDLING APPARATUS OPERABLE TO EJECT AN ARTICLE INTO AND TO PASS IT THROUGH A CHUTE FROM ONE POINT TO ANOTHER:

(A) AN ELECTRICAL CONTROL CIRCUIT FOR CONNECTING SAID APPARATSUS TO A SOURCE OF ELECTRICALLY;

(B) A FIRST SENSING MEANS POSITIONED BETWEEN SAID POINTS IN THE CHUTE TO SENSE AN ARTICLE AS IT PASSES ALONG ITS PATH OF MOVEMENT THROUGH THE CHUTE AND RESPONSIVE THERETO TO ACTUATE ASSOCIATED APPARATUS;

AND (C) A SECOND SENSING MEANS POSITIONED BETWEEN SAID ONE POINT AND SAID FIRST SENSING MEANS TO SENSE MATERIAL PLACED IN THE PATH OF MOVEMENT OF SAID ARTICLE TO PREVENT THE ARTICLE FROM PASSING THROUGH SAID FIRST SENSING MEANS DURING A CYCLE OF OPERATION, AND OPERABLE IN THE PRESENCE OF SUCH MATERIAL IN THE PATH OF MOVEMENT TO RENDER THE ARTICLE HANDLING APPARATUS INOPERABLE UNTIL THE MATERIAL IS REMOVED;