Patents by Inventor James C. Spear

James C. Spear 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).

  • Patent number: 5322397
    Abstract: A supporting apparatus for supporting a drill in an elevated position, the drill including a drill chuck having an axis of rotation, the drill being supported by the supporting apparatus such that the axis of rotation of the drill chuck is orientated substantially vertically, the supporting apparatus including an elongated column, an actuating lever pivotally connected to the column at a pivot point and extending outward from the pivot point in two diametrically opposed directions to thereby form two lever arms, an attachment mechanism formed on a first of the two lever arms for attaching the first lever arm to a portion of the drill, a manual grip portion formed on a second of the two lever arms, a guide link pivotally connected to both the column and to the drill adjacent the drill chuck, the pivotal connection of the guide link to the column being disposed vertically above the pivot point pivotally connecting the actuating lever to the column, and an extended plate member connected to an upper portion of t
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: June 21, 1994
    Inventor: James C. Spear