Double Acting Pawl Escapement With Double Arm Pawl Patents (Class 235/91A)
  • Unidirectional register apparatus
    Patent number: 4352979
    Abstract: Unidirectional rotation of a register is produced by a ratchet assembly having a pivoting pawl member having two diverging wire segments, each of which discretely engages either of two sets of ratchet teeth. A transfer means couples input rotations of the rachet assembly in a false registering direction so as to produce rotations of the assembly output in a true registering direction.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: October 5, 1982
    Assignee: Westinghouse Electric Corp.
    Inventor: Gene C. Knecht