To Lathe Patents (Class 451/435)
Center abrader (Class 451/436)
Internal abrader (Class 451/437)
  • Abrading method and holding device
    Patent number: 6669541
    Abstract: A method for grinding, polishing, buffing, scaling, and grooving a finish onto and into a workpiece. This method provides the versatility of a hand held type angle grinder to be used while being supported frog, a clamping device. Also provided is a means for supporting a hand held type angle grinder from a clamping device such as a tool post, a tool post tool holder, and a bench vice.
    Type: Grant
    Filed: November 3, 2001
    Date of Patent: December 30, 2003
    Inventor: William L. Andrews
  • Brake-disk grinding
    Patent number: 5507686
    Abstract: An apparatus for grinding a metallic workpiece rotating about and centered on an axis and having an annular surface also centered on the workpiece axis has a tool support radially offset from the workpiece axis, continuously rotating about a support axis radially offset from and substantially parallel to the workpiece axis, and having an forwardly axially directed front support face, and an annular grinding tool engaging the workpiece surface, centered on a respective tool axis, and having an axially backwardly directed rear tool face. The tool face is resiliently supported on the support face annularly all around the support and tool axes so that the tool axis can rock relative to the support axis.
    Type: Grant
    Filed: August 15, 1994
    Date of Patent: April 16, 1996
    Assignee: Ernst Thielenhaus KG
    Inventor: Martin Wolters
  • Sliding chip guard for a brake lathe
    Patent number: 5500989
    Abstract: Applicants' invention is an enhanced chip guard assembly particularly adapted to be used in conjunction with a vehicular brake lathe having a tubular slide cross-feed with an integral dove tail mount for longitudinal feed. The enhanced chip guard assembly of the present invention includes a clip that fits within an opening in the cross feed assembly of the machine, a slide that fits over the clip, and a follower that fits about the neck of the drum feed guide arm and rides on the slide.
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: March 26, 1996
    Assignee: Hennessy Industries, Inc.
    Inventors: James D. Ford, Larry C. Tuck
  • Eyelgass lens edging machine
    Patent number: 5363597
    Abstract: Eyeglass lens edging machine with coaxial shaft halves to hold and rotate an eyeglass lens, an edging tool located radially to the eyeglass lens to form a notch or groove at the circumference of the eyeglass lens or to bevel the edge of the eyeglass lens contour and a device for controlled radial and for controlled or unconstrained axial guidance of the edging tool in accordance with the contour of the eyeglass lens and its three dimensional curve.
    Type: Grant
    Filed: April 13, 1993
    Date of Patent: November 15, 1994
    Assignee: Wernicke & Co. GmbH
    Inventors: Lutz Gottschald, Gunter Barwasser