Patents Assigned to Westech Hydraulics
  • Multiple-pattern tree shaking mechanism
    Patent number: 4409782
    Abstract: A shaker head including three eccentric weights rotatably mounted on a common shaft is carried by a tractor. A mechanism for manipulating the shaker head allows the user to engage the trunk or limbs of a tree having fruit, nuts or the like ready to be harvested. The eccentric weights are driven by various combinations of motors and sheaves to impart a plurality of distinct shaking patterns to the tree.
    Type: Grant
    Filed: January 20, 1982
    Date of Patent: October 18, 1983
    Assignees: Westech Hydraulics, Tenneco West
    Inventors: Rod Westergaard, Lou Morton, Ken Zeiders