Quick-donning mask suspension

• US 3,234,939 A
• Filed: 08/26/1960
• Issued: 02/15/1966
• Est. Priority Date: 08/26/1960
• Status: Expired due to Term

• Current Assignee: Figgie International, Inc. (Johnson Controls International plc)
• Original Assignee: William D. Morton Jr
• Inventors: Morton, William D. Jr.
• Application Number:
  US04/052,129
• Time in Patent Office: 1,999 Days
• US Class Current: 128/206.27
• CPC Class Codes: A62B 18/084 Means for fastening gas-masks to heads or helmets

Claims

1. A QUICK DONNING MASK ASSEMBLY FOR A BREATHING MASK COMPRISING A MASK, A HEAD HARNESS INCLUDING RIGID EAR PIECES LOCATED ONE ADJACENT EACH EAR, EACH EAR PIECE COMPRISING UPPER AND LOWER ENDS IN VERTICAL ALIGNMENT, SAID UPPER END HAVING IN USE A LOCATION ABOVE AND IN SUBSTANTIAL VERICAL ALIGNMENT WITH THE EAR, SAID LOWER END IN USE HAVING A LOCATION BELOW THE EAR, AND A CONNECTING SECTION ATTACHED RESPECTIVELY TO SAID UPPER AND LOWER ENDS AND HAVING IN USE A LOCATION FORWARD OF BOTH UPPER AND LOWER ENDS AND THE EAR, A SINGLE HEAD STRAP CONNECTING SAID UPPER ENDS AND ADAPTED TO EXTEND OVER THE TOP OF THE HEAD IN SUBSTANTIAL ALIGNMENT WITH BOTH EARS AND WITH SAID UPPER AND LOWER ENDS, AND A NECK STRAP CONNECTING SAID LOWER ENDS, A RIGID OVERCENTER LOCKING BAR HAVING A PIVOTAL CONNECTION AT ONE END TO THE MACK, AND A SINGLE FLEXIBLE STRAP ON EACH SIDE IN SUBSTANTIAL FORE AND AFT ALIGNMENT WITH A RESPECTIVE END OF THE NECK STRAP AND HAVING A PIVOTAL CONNECTION AT ONE END THEREOF TO SAID CONNECTING SECTION, SAID FLEXIBLE STRAP HAVING A PIVOTAL SNAP CONNECTION AT THE OTHER END THEREOF TO SAID LOCKING BAR AT A LOCATION FORWARD OF SAID FIRST IDENTIFIED PIVOTAL CONNECTION.