Patents Assigned to Sky-Hook, Inc.
  • Helicopter hook-up and static electric discharge device
    Patent number: 5190331
    Abstract: A multi-purpose hook-up head for attaching a variety of different hook-up assemblies to a hovering helicopter. The multi-purpose hook-up head includes a pair of spaced apart upper grip members each including a plurality of grip plates which are arranged to accept a variety of hook-up assemblies including metal apex shackles, metal apex rings and web rings of different sizes. The hook-up head is grounded through a hollow, insulated pole which serves as a handle to perform cargo hook-up operations.
    Type: Grant
    Filed: January 30, 1991
    Date of Patent: March 2, 1993
    Assignee: Sky-Hook, Inc.
    Inventor: Joseph G. Corbin