Mechanical Expedients Patents (Class 33/DIG12)
  • Device for preventing error in slide calipers
    Patent number: 3945121
    Abstract: Slide calipers having gear-driven digital counter are provided with spring for applying torsional bias to the gearing so as to eliminate backlash, and consequent error in measurement.
    Type: Grant
    Filed: April 17, 1972
    Date of Patent: March 23, 1976
    Assignee: Yehan Uchino
    Inventor: Kenju Uchino