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US 4,041,558 AGranted
Sheetrock hole puncher and nail setter
OwnerHarvey Victorinventor
Life of this patent
Estimating the term…
Abstract
A sheetrock hole puncher and nail setter includes an impact tool and a cutting tool adapted to be releasably secured thereto. The impact tool is given an elongated shank having an enlarged head at one end adapted to receive impact blows and a cutting tool-receiving nail set head at the other end. The nail set head is formed in its lower surface with a central annular threaded recess. A cutting tool has a threaded section at one end threadable into the threaded recess of the impact tool to releasably secure the cutting tool thereto and has a hollow cylindrical cutting edge at its other end.
Claims3
A sheetrock nail setter comprising in combination:
- an impact tool including an elongated shank having an enlarged head at one end thereof adapted to receive impact blows delivered thereto, the other end of said shank having a cutting tool-receiving nail set head, the central portion of the lower surface of said nail set head being provided with a recess therein, the base of said recess being located sufficiently close to the lower surface of said nail set head as to be cooperable with a nail head to drive same into the sheetrock in countersunk relation therewith, said nail set head being dished upwardly from said central portion thereof to a level above the base of said recess and thus cooperable with said base to permit countersinking of the nail.
Dependencies are inferred from the claim text.