Handling: hand and hoist-line implements – Hand bars and hand barrows – Ball retriever
Patent
1981-04-21
1983-08-23
Marbert, James B.
Handling: hand and hoist-line implements
Hand bars and hand barrows
Ball retriever
403365, A47F 1306
Patent
active
044000286
ABSTRACT:
Hand held, remote driving tool for driving a rotatable working head such as a lag bolt and hanger wire insertion head, at a distance otherwise beyond the reach of the tool operator, the tool comprising a rigid axially elongated tubular driver member adapted for coupling to a power drill, and a rigid, axially elongated tubular driven member adapted to carry a rotatable working head at its remote end for driving by the drill, the driven member at its near end being interfittable with the driver member at a predetermined locus of coextension; cooperating axial sections on the driver and driven members at the predetermined locus, the cooperating sections being relatively configured to bind the members selectively within the locus in a predetermined axially aligned and interfitted condition of the members and in a manner normally tending to binding release pivoting of the members relative to each other in response to side loading forces on one or both of said members in the use of the tool, and skirt means attached to the outer of the members defining a skirt extension thereof in engagement with the inner of the members beyond the locus, the skirt extension thereby blocking pivoting of the members from their predetermined axially aligned interfitted condition against binding release.
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