Patents Assigned to Protos Precision Systems Limited
  • Shapemeter
    Patent number: 4939936
    Abstract: A rotor module (2) for a shapemeter comprising a central arbor (7) to a non-rotatable ring (10) surrounding the arbor (7) by at least one web (9) and an outer cylinder (12) rotatable on bearings (13) on the ring (10) and means, (16, 17) carried by the arbor (7) to cooperate with the inner surface of the ring (10) to detect relative movements between the arbor and ring in response to a force applied to the cylinder (12) at a pre-determined position in order to provide output signals representative of such movements.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: July 10, 1990
    Assignee: Protos Precision Systems Limited
    Inventors: Peter D. Spooner, Colin A. Scottow