Compound tools – Wrench
Patent
1993-03-24
1994-11-15
Smith, James G.
Compound tools
Wrench
811242, 140119, B25B 1300
Patent
active
053635256
ABSTRACT:
An apparatus (26) for attaching a screw-type fastener (64) and wire (70) to an overhead support structure (72) for hanging suspended ceilings is disclosed. The apparatus (26), which is coupled to an extension pole (74) and driven by a source of rotary power, includes a body portion (32) and a mammillated head portion (34). A cylindrical cavity (42) extends coaxially through head portion (34) and into body portion (32). A first pair of opposing slots (48, 50) extends radially from the cavity (42) to the outer surface of the apparatus (26) and further extends longitudinally through the head portion (34) and into the body portion (32) where they terminate in substantial alignment with the terminus of the cavity (42). A second pair of opposing slots (52, 54) also extends radially from the cavity (42) to the outer surface of the apparatus (26) and further extends longitudinally through the head portion (34) and into the body portion ( 32). The second pair of slots (52, 54) extend into the body portion (32) beyond the terminus of the cavity (42) and are oriented substantially perpendicular to the first pair of slots (48, 50). Each slot in the second pair of slots (52, 54) terminates with an edge (56, 58) which is angularly offset away from the terminus of the cavity (42) in relation to the radial axis of the apparatus (26). An annular collar (60) partially surrounds the head portion (34) thereby partially enclosing all of the slots.
REFERENCES:
patent: 4694869 (1987-09-01), Wolford et al.
patent: 5012624 (1991-05-01), Dahlgren
O'Banion John P.
Smith James G.
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