Patents Assigned to Penumatic Systems International Pty Ltd.
  • Interlocking multipurpose airtool
    Patent number: 5974611
    Abstract: A multipurpose air tool (1) having a handle (2) to which a head (3) can be removably attached is disclosed. The head (3) has attached thereto various such tools as a face plate (4) and replaceable nozzles (5). The head (3) is interlocked to the handle (2) by a spigot (19) and bayonet connection (21, 23, 34). A safety interlock (16) prevents operation of the trigger (15) and valve (12) unless the head (3) is correctly positioned on the handle.
    Type: Grant
    Filed: August 15, 1997
    Date of Patent: November 2, 1999
    Assignee: Penumatic Systems International Pty Ltd.
    Inventor: David Wayne Casella