Patents Assigned to Marvin Richard Teaby
  • Stake setting accessory for jack hammer
    Patent number: 5107935
    Abstract: An accessory for a jack hammer that includes clamping means for gripping the upper end of the stake so that the stake can be controllably driven into the ground by the user. The accessory includes a stake receiver that has a channel into which the end portion of the stake is inserted and further includes a jaw and clamping means for forceably retaining the jaw against the inserted stake. The channel includes guide ways that permit it to be used interchangeably with the more common sizes and shapes of stakes.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: April 28, 1992
    Assignee: Marvin Richard Teaby
    Inventor: L. Robert McBride