Patents Assigned to Rottler Boring Bar Co.
  • Honing machine
    Patent number: 4189871
    Abstract: A "beam stroker" type of honing machine which can, at the operator's option, be power stroked by means of a double-acting pneumatic cylinder or manually stroked. Both travel limits can be varied by the operator. A hydraulic double-acting cylinder system functions to limit the stroking speed and has a needle valve adjustment to vary the speed.
    Type: Grant
    Filed: June 1, 1978
    Date of Patent: February 26, 1980
    Assignee: Rottler Boring Bar Co.
    Inventors: Donald B. Rottler, David Engnell
  • Fixture for holding v-type engine blocks
    Patent number: 4168826
    Abstract: A fixture for holding V-type engine blocks during cylinder honing or other refinishing operations has a stationary stand assembly and a removable clamping assembly which can be applied to an engine block at a location remote from the stand assembly and presents a lifting eye so that the clamping assembly and engine block can be hoisted as a unit, transported and lowered into the stand assembly whereupon the clamping assembly can be selectively pivoted from side to side and locked to vertically present the selected bank of cylinders.
    Type: Grant
    Filed: August 25, 1978
    Date of Patent: September 25, 1979
    Assignee: Rottler Boring Bar Co.
    Inventor: Donald B. Rottler