Automatic rifle for firing caseless ammunition

• US 3,345,770 A
• Filed: 10/07/1966
• Issued: 10/10/1967
• Est. Priority Date: 10/07/1966
• Status: Expired due to Term

• Current Assignee: John J. Scanlon Jr
• Original Assignee: John J. Scanlon Jr
• Inventors: Scanlon, John J. Jr.
• Application Number:
  US04/586,004
• Time in Patent Office: 368 Days
• US Class Current: 42/18
• CPC Class Codes: F41A 3/74 Obturating or packing devices for gas leak prevention in breech mechanisms
• CPC Class Codes: F41A 9/65 Box magazines having a cartridge follower

Claims

1. IN AN AUTOMATIC RIFLE FOR FIRING CASELESS AMMUNITION INCLUDING THE COMBINATION OF A MAGAZINE HAVING A PLURALITY OF ROUNDS THEREIN;

A CHAMBER FOR RECEIVING SAID ROUNDS;

AND A BOLT FOR TRANSFERRING SAID ROUNDS FROM SAID MAGAZINE TO SAID CHAMBER, THE IMPTOVEMENT WHEREIN SAID BOLT COMPRISES MEANS FOR SEALING SAID CHAMBER, SAID BOLT HAVING A PASSAGEWAY THROUGH THE CENTER THEREOF, A FIRING PIN SLIDABLE WITHIN SAID PASSAGEWAY, AND MEANS ON A REAR PORITON OF SAID FIRING PIN FOR SEALING SAID PASSAGEWAY;

WHEREIN SAID CHAMBER COMPRISES A FEED RAMP FOR GUIDING SAID CASELESS AMMUNITION THEREIN;

AND A SEALING AREA ADJACENT SAID FEED RAMP FOR PREVENTING GASES FROM ESCAPING THEREPAST;

AND WHEREIN SAID MAGAZINE COMPRISES A FRONT WALL, A BACK WALL, SIDE WALLS AND A BASE PLATE, A LOCK MEANS PROVIDED SECURED TO SAID BASE PLATE AT ONE END, A RESILIENT MEANS SECURED TO SAID BSE PLATE AT ONE END, A FOLLOWER PLATE SLIDABLY MOUNTED IN SAID MAGAZINE, A SPRING GUIDE INTEGRAL WITH SAID FOLLOWER PLATE SECURING SAID RESILIENT MEANS AT ITS OTHER END, SAID FOLLOWER PLATE HAVING A SLOT IN THE REAR THEREOF, A BAR PASSING THROUGH SAID SLOT THE FULL DISTANCE OF SAID MAGAZINE ADJACENT SAID BACK WALL, A BLOCK SECURED TO THE TOP OF SAID FOLLOWER PLATE, A BOLT STOP SECURED REARWARD TO SAID FOLLOWER PLATE, SAID BOLT STOP BEING SO CONSTRUCTED AND ARRANGED SO AS TO KEEP THE BOLT OPENED AFTER THE LAST ROUND OF AMMUNITION HAS BEEN FED AND FIRED.