System Including Spaced Pulleys Interconnected By A Belt Patents (Class 474/148)
Positive drive pulley and friction drive pulley connected by same belt (Class 474/149)
With frame or mount for system (Class 474/150)
  • Positive drive system
    Patent number: 4214488
    Abstract: A positive drive system including a drive cable consisting of a flexible line means having a plurality of regularly spaced nodules rigidly attached along its length, and a positive drive sheave having a curved surface configuration receptive to the drive cable's nodules for providing a positive, nonslip rotary drive engagement between the drive cable and the sheave.
    Type: Grant
    Filed: October 27, 1977
    Date of Patent: July 29, 1980
    Assignee: Dynaloc Corporation
    Inventor: Rene A. Conrad