Water box lock

• US 3,227,183 A
• Filed: 02/14/1963
• Issued: 01/04/1966
• Est. Priority Date: 02/14/1963
• Status: Expired due to Term

• Current Assignee: Frank Hecht
• Original Assignee: Frank Hecht
• Inventors: Hecht, Frank
• Application Number:
  US04/258,513
• Time in Patent Office: 1,055 Days
• US Class Current: 138/89
• CPC Class Codes: F16K 35/06 using a removable actuating or locking member, e.g. a key F16K35/10, F16K35/12 take precedence
• CPC Class Codes: Y10T 137/6995 Valve and meter wells

Claims

1. A LOCKING DEVICE HAVING, IN COMBINATION, A TUBULAR STRUCTURE;

LOCKING MECHANISM MEANS COMPRISING A ROTATABLE UNIT MAIN SCREW HAVING A HEAD, INTERNAL KEYWAYS AND CONNECTING PASSAGEWAY WITHIN SAID HEAD OF SAID UNIT MAIN SCREW, LATERALLY MOVABLE KEY MEANS WITHIN SAID KEYWAYS, FIRST PLATE MEANS SUPPORTING AND POSITIONING SAID HEAD OF SAID UNIT MAIN SCREW ON ONE SIDE, EXTENDING LEGS PIVOTABLY ATTACHED TO THE OTHER SIDE OF SAID FIRST PLATE, INTERNALLY THREADED SECOND PLATE MEANS WITH EXTERNAL SLOTS RECEIVING SAID EXTENDING LEGS, INCLINED BACKS OF SAID EXTERNAL SLOTS ADAPTED TO SPREAD SAID EXTENDING LEGS APART WITH UPWARD MOTION OF SAID SECOND PLATE MEANS, SAID SCREW THREADED INTO SAID SECOND PLATE MEANS;

HOLDING MEANS FIXED WITHIN SAID TUBULAR STRUCTURE ABUTING SAID FIRST PLATE MEANS ON ONE END THEREOF HAVING THE OTHER END ENGAGED BY SAID EXTENDING LEGS TO LOCK SAID LOCKING MECHANISM WITHIN SAID HOLDING MEANS.