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US 4,033,703 AGranted
Drill bit for coupling to a wire fishing adapter
OwnerDon Slaterinventor
Life of this patent
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Abstract
A drill adapted to be detachably and pivotably linked to a wire fishing adapter for pulling wiring through a bored-out passage in a wall or the like, including a blade-type drill bit having a pin protruding from one of the faces of the drill bit blade, a rod having a pair of spaced-apart apertured fingers at one end and having a conically-shaped receptacle at the opposite end for lockable engagement with the end of a wire.
Claims6
A device for boring a passageway through a wall, or the like, and for fishing a wire through said passageway, comprising:
- (a) A drill having a blade-type drill bit;
- (b) At least one pin fixedly secured to and protruding from one of the two relatively broad faces of said blade-type drill bit;
- (c) A rod having an axially-disposed passageway in one end and a pair of axially-extending fingers in the other end, said fingers being spaced-apart a distance slightly greater than the thickness of the edge of said blade-type drill bit and having a journal in at least one of said fingers for pivotally capturing said pin;
- and
- (d) Wire coupling means disposed in said rod passageway and anchored to said rod for removably coupling said wire to said rod.
2 more elements
Dependencies are inferred from the claim text.