Patents Assigned to Westhill Engineering Construction
  • Adjustable chopper shaft
    Patent number: 5890353
    Abstract: An adjustable chopper shaft is disclosed including a chopper shaft (14), a gear (18) concentrically mounted on the chopper shaft, the gear being accomodated in a gearbox (40). A setup (30, 32) for selectively allowing rotation of the chopper shaft relative to the gear are provided and this setup for selectively allowing rotation of the chopper shaft relative to the gear is located externally of the gearbox.
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: April 6, 1999
    Assignee: Westhill Engineering Construction
    Inventor: Wayne Brown