Patents Assigned to Hummel Machine and Tool Company
  • Patent number: 5188189
    Abstract: An adjustable universal driver useful in driving screws, drilling holes or the like, includes a sleeve unit having a sleeve linkage connecting linking ends of a grip sleeve and a nose sleeve to permit pivoting of one of the sleeves relative to the other about a transverse axis of the sleeve linkage; a drive shaft unit having a universal joint operatively connecting a driven end of a grip shaft and a driving end of a nose shaft for rotation as a drive shaft unit relative to the sleeve unit; and means for adjusting and retaining the angle formed by the nose sleeve and nose shaft relative to the grip sleeve and grip shaft.
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: February 23, 1993
    Assignee: Hummel Machine and Tool Company
    Inventor: Scott Hummel