Patents Assigned to Commerical Shearing, Inc.
  • Patent number: 4194366
    Abstract: A two speed valve and bi-directional motor system is provided having a pair of motors, means for delivering pressure fluid selectively to either side of said motors, a two speed valve means receiving fluid on one side of said motors to selectively direct the fluid to one or both motors to provide high or low speed operation thereof and flow sensing means automatically connecting the discharge from the motors to the one motor not receiving fluid when the two speed valve is shifted to divert all fluid to one motor so that fluid is recirculated through said motor.
    Type: Grant
    Filed: June 13, 1978
    Date of Patent: March 25, 1980
    Assignee: Commerical Shearing, Inc.
    Inventor: John D. Petro