Nail driving system

Elongated-member-driving apparatus – With means to shape work or cut product – Deforming means with rectilinear reciprocating motion

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Details

227156, 411923, B25C 100

Patent

active

057093326

ABSTRACT:
Wallboard having a skin outer surface is attached to wall and ceiling framing by nails having heads with a convex bottom surface and a concave top surface. A driver blade is used having an outer end with a shape complimentary to the concave nail top surface and a diameter which is larger than the nail head such that no sharp edges are presented to the wallboard skin around the nail head, thereby avoiding cutting the paper skin.

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