Patents Assigned to Union Tool Company Ltd.
  • Patent number: 6260701
    Abstract: A drill case (10) includes a case box (20) having a longitudinally elongated rectangular cross-sectional shape closeable at one transverse end thereof by a lid (23). The case includes a slidably removable longitudinally elongated drill stand base (50) having in the upper surface thereof a plurality of longitudinally disposed, laterally spaced apart grooves (51) for receiving rectangular block-shaped drill stands (60) having longitudinally spaced apart vertical bores (61) for receiving drill bits (1). Stand base (50) has protruding outwardly from opposite lateral sides thereof a pair of parallel longitudinally disposed ribs (52) which are slidably receivable in a pair of upper or lower grooves (27) and (28) formed in the inner side walls of box (20), depending on whether short or long shank drill bits are contained in stands (60).
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: July 17, 2001
    Assignee: Union Tool Company Ltd.
    Inventors: Ichiro Katayama, Yoshiharu Shinbo