Open front display case

• US 3,304,740 A
• Filed: 11/09/1962
• Issued: 02/21/1967
• Est. Priority Date: 11/09/1962
• Status: Expired due to Term

• Current Assignee: Hussmann Corporation (Panasonic Holdings Corporation)
• Original Assignee: Edgar V. Dickson, Joseph Balk
• Inventors: Dickson, Edgar V., Balk, Joseph
• Application Number:
  US04/236,649
• Time in Patent Office: 1,565 Days
• US Class Current: 62/256
• CPC Class Codes: A47F 2003/046 with shelves having air ducts
• CPC Class Codes: A47F 3/0447 with air curtains

Claims

1. A REFRIGERATED DISPLAY CASE HAVING A DISPLAY AREA WITH AN OPEN FRONT SIDE AND AT LEAST ONE SHELF THEREIN, LAMP MEANS MOUNTED BELOW AND ADJACENT TO THE FRONT OF SAID SHELF FOR LIGHTING THE DISPLAY AREA BELOW SAID SHELF, FIRST MEANS FOR COOLING A PRIMARY AIR STREAM TO LOW REFRIGERATION TEMPERATURES AND CIRCULATING SAID PRIMARY STREAM THROUGH SAID DISPLAY AREA TO COOL PRODUCTS THEREIN, SECOND MEANS RECEIVING AIR FROM SAID FIRST MEANS AND FORMING A WALL OF PRIMARY AIR ACROSS SAID OPEN FRONT SIDE SAID FIRST MEANS INCLUDING DUCT MEANS BELOW SAID SHELF AND EXTENDING TOWARD SAID LAMP MEANS, AND MEANS FOR DISCHARGING PRIMARY AIR OUT OF SAID DUCT MEANS INTO CIRCUMSCRIBING RELATION WITH SAID LAMP MEANS.