Patents by Inventor Darrell K. Brewer

Darrell K. Brewer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Toolholder for bar machines and the like
    Patent number: 5063799
    Abstract: This invention relates to an adjustable toolholder for use with multiple spindle bar machines and the like. The adjustable toolholder includes a mount member adapted for securement to a toolslide of the machine, a toolholder body for mounting within a way on the mount member, and precision means for slideably adjusting the toolholder body within the way of the mount member. The toolholder body can be precisionally adjusted relative to the mount member by the mere turning of a calibrated vernier, knob, with no loosening of any through-bolts or the like.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: November 12, 1991
    Inventor: Darrell K. Brewer