Selectively Adjustable Patents (Class 190/105)
  • Patent number: 4630717
    Abstract: A variable volume carrying case of diverse utility includes hinged companion sections each having relatively movable telescoping portions whereby each case section can be expanded or reduced in size. An independent push-pull cable drive system for the expansion and reduction of each case section includes a rotary manual drive device having a connection with each push-pull cable of the system.
    Type: Grant
    Filed: April 29, 1985
    Date of Patent: December 23, 1986
    Inventor: Kun-Yuan Tong