Patents Assigned to Bertsche Engineering Corp.
  • Beam clamp fixture
    Patent number: 11364593
    Abstract: A fixture for clamping a structural beam during machining is equipped with at least one beam clamp assembly having an elongated clamp arm capable of pivoting as well as linear motion during a clamping operation. The elongated clamp arm is pivotably mounted to a pivot block rotated by an actuator device. The pivot axis of the clamp arm is aligned with but spaced from the axis of rotation of the pivot block.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: June 21, 2022
    Assignee: BERTSCHE ENGINEERING CORP.
    Inventors: Steve E. Jacobson, Tristan W. Bertsche
  • Direct drive multiple axes rotary spindle head for milling machine
    Patent number: 5584621
    Abstract: A gearless, direct drive, multiple axes rotary head for a machine tool is provided which includes a spindle mounted to the rotary head for rotation thereon about multiple axes and a plurality of motors coupled to the head and spindle for directly driving and controlling the rotation the head and spindle about the multiple axes respectively.
    Type: Grant
    Filed: June 13, 1995
    Date of Patent: December 17, 1996
    Assignee: Bertsche Engineering Corp.
    Inventors: Richard Bertsche, Richard W. Bertsche